SERVICE BANCORP, INC.


NUMBER OF SHARES
Fill in the number of shares you wish to purchase  and the total  amount due. No
fractional shares will be issued. The minimum purchase is _____ shares.

METHOD OF PAYMENT
Check the appropriate  box(es).  You may pay by check, bank draft or money order
and/or  authorize  withdrawal  from your  Summit  Bank  savings  or  certificate
account(s).  If paying by certified or teller's check, please make it payable to
Summit Bank.  Your funds will earn interest at the Bank's  certificate  rate per
annum until the offering is completed. If paying by withdrawal,  please list the
appropriate  account  number(s);  these  designated  funds will continue to earn
interest  from a savings or  certificate  account at the same  account  rate and
cannot be withdrawn by you until the offering is completed or terminated.

STOCK REGISTRATION
Print the name(s) in which you want the stock  registered.  See the reverse side
of this form for registration guidelines.

Enter the social security number (or tax I.D.  number) of the registered  owner.
Only one number is required.

Indicate  the  manner  in  which  you wish to take  ownership  by  checking  the
appropriate  box.  If  necessary,   check  other  and  note  ownership  such  as
corporation, estate or trust. If stock is purchased for a trust, the date of the
trust agreement and trust title must be included.

NASD AFFILIATION

Please refer to the National  Association  of Securities  Dealers,  Inc.  (NASD)
affiliation section and check the box if applicable. Under the guidelines of the
NASD,  members  of  the  NASD  and  their  associates  are  subject  to  certain
restrictions  on  the  transfer  of  securities  purchased  in  accordance  with
subscription  rights and to certain reporting  requirements upon the purchase of
such securities, as established by the NASD.

_____ Check here and  initial  below if you are a member of the NASD or a person
associated  with an NASD member or a member of the immediate  family of any such
person to whose support such person contributes directly or indirectly or if you
have an account in which an NASD member or person associated with an NASD member
has a beneficial  interest. I agree (i) not to sell, transfer or hypothecate the
stock  for a period  of 90 days  following  issuance,  and (ii) to  report  this
purchase  order in writing to the  applicable  NASD member I am associated  with
within one day of the payment for the stock. (Initials)_________

ACKNOWLEDGMENT

Sign and date the form. When purchasing as a custodian, corporate officer, etc.,
add your full title to your signature.  An additional signature is required only
when  payment is by  withdrawal  from an  account  that  requires  more than one
signature to withdraw funds.

DEADLINE

This form along with the Form of Acknowledgment,  properly executed and with the
correct  payments  must be  received  by  12:00  noon,  Massachusetts  Time,  on
September___,  1998 and will be  deemed  received  upon the date and the time of
delivery of the form to our office.  Please submit your order using the enclosed
postage-paid envelope or hand-delivering to Summit Bank.

TELEPHONE INFORMATION

Please  enter  both a daytime  and  evening  telephone  number  where you may be
reached in the event we cannot execute your order as given.

Daytime Phone  (          ) ____________________

Evening Phone  (          ) ____________________




                                STOCK ORDER FORM

Number of Shares                 Offering  Price             Total Amount Due

______________ X               $      10.00                   =_______________
                               ---------------------

_____    Enclosed  is a certified  teller's  check,  bank draft,  or money order
         payable to Summit Bank for $________.

_____    I authorize withdrawal from the following Summit Bank account(s):


   Account Number(s)                                   Amount
                                                 $
                                                 $
   Total Withdrawal                              $

_________________________________________________________________
Name(s) in which your stock is to be registered
_________________________________________________________________
Name(s) in which your stock is to be registered
_________________________________________________________________
Address
_________________________________________________________________
City                                        County
_________________________________________________________________
State                                       Zip Code
_________________________________________________________________
Social Security # or Tax ID #

_______     Individual   _______   Joint Tenants     _______  Tenants in Common
_______     Uniform Gift or Transfer to Minors
_______     Other _____________________________________________

I (we)  acknowledge  receipt  of the  Prospectus  and the terms  and  conditions
described  therein.  I (we) understand  that, after receipt by Summit Bank, this
order may not be modified  or  withdrawn  without  the  consent of Summit  Bank.
Further,  I (we)  certify  that my (our)  purchase  does not  conflict  with the
purchase  limitations in the Plan of  Reorganization,  and that the shares being
purchased are for my (our)  account only and that there is no present  agreement
or understanding regarding any subsequent sale or transfer of such shares. Under
penalties of perjury,  I (we) certify that:  (1) the Social  Security  number or
Taxpayer  Identification number given above is correct; and (2) I am not subject
to backup  withholding.  Instructions:  You must  cross out #2 above if you have
been  notified  by  the  Internal  Revenue  Service  that  you  are  subject  to
withholding because of under-reporting interest or dividends on your tax return.

I  ACKNOWLEDGE  THAT  THIS  SECURITY  IS NOT A  DEPOSIT  OR  ACCOUNT  AND IS NOT
FEDERALLY  INSURED AND IS NOT  GUARANTEED BY SUMMIT BANK OR ANY FEDERAL OR STATE
GOVERNMENT OR AGENCY.

If anyone asserts that this security is federally  insured or guaranteed,  or is
as safe as an insured  deposit,  I should call Thomas J. Curry,  Commissioner of
the Commonwealth of  Massachusetts  Office of the Commissioner of Banks at (617)
727-0607.

I further certify that,  before  purchasing the Common Stock of Service Bancorp,
Inc.,  I  received  a  Prospectus.  The  Prospectus  that  I  received  contains
disclosure concerning the nature of the security being offered and describes the
risks  involved  in the  investment.  See  the  "Risk  Factors"  section  of the
Prospectus.  In  executing  this Stock  Order Form I affirm that I have read the
Prospectus  and am aware of the  risks  associated  with  investing  in  Service
Bancorp, Inc. Common Stock.

____________________________________________________________________________
Signature                                            Date

____________________________________________________________________________
Additional Signature (if required)                   Date

                For assistance, please call the Stock Information
           Center, Summit Bank, at (508) ___-_______ from 9:00 a.m. to
              5:00 p.m., Massachusetts Time, Monday through Friday.





                        GUIDELINES FOR REGISTERING STOCK

         For reasons of clarity and standardization, the stock transfer industry
has developed uniform stock ownership  registration which we will use in issuing
your stock certificate.  Common ownership  registrations are explained below. If
you have any questions about how your Service Bancorp,  Inc. common stock should
be registered, see your legal advisor.

         To ensure correct registration,  please follow the instructions for the
ownership you select.
- --------------------------------------------------------------------------------
GENERAL INSTRUCTION:       o        Include the first name, middle initial,  and
                                    last name of each person  listed.  Avoid the
                                    use of an  initial  in  place  of the  first
                                    name.

                           o        Do not use titles  such as Mr.,  Mrs.,  Dr.,
                                    etc.

                           o        Omit  words  that  do not  affect  ownership
                                    rights  such as  special  account,  personal
                                    property, etc.
- --------------------------------------------------------------------------------
INDIVIDUAL:                Instructions:  Print the first name,  middle initial,
                           and last name of the  person in whose  name the stock
                           is to be registered.  You may not list  beneficiaries
                           for this ownership.
- --------------------------------------------------------------------------------
JOINT TENANTS:             Joint Tenancy with Right of  Survivorship  identifies
                           two or more persons as owners of the stock.  Upon the
                           death of one of the owners,  ownership  automatically
                           passes  to  the  surviving  tenant(s).  Instructions:
                           Print the first name,  middle initial,  and last name
                           of each co-tenant. You may not list beneficiaries for
                           this ownership.
- --------------------------------------------------------------------------------
UNIFORM GIFTS TO           For residents of certain states, stock may be held in
MINORS/UNIFORM             the name of a  custodian  for the  benefit of a minor
TRANSFERS TO               under  the  Uniform  Transfers  to  Minors  Act.  For
MINORS:                    residents of most other states,  stock may be held in
                           a similar type of ownership  under the Uniform  Gifts
                           to Minors Act of the  individual  states.  For either
                           ownership, the minor is the actual owner of the stock
                           with the adult  custodian  being  responsible for the
                           investment until the minor reaches legal age.

                           Instructions:  See  your  legal  advisor  if you  are
                           unsure about the correct registration of your stock.

                           On the first NAME line, print the first name,  middle
                           initial,  and last  name of the  custodian,  with the
                           abbreviation CUST after the name

                           Print the first name,  middle initial,  and last name
                           of the  minor  on the  second  NAME  line.  Only  one
                           custodian and one minor may be designated.

                           Please indicate the minor's social security number in
                           the signature block.
- --------------------------------------------------------------------------------
OTHER:                     Generally,    fiduciary    relationships   (such   as
                           Conservatorship, Legal Trust, Guardianship, etc.) are
                           established  under a form of trust  agreement  or are
                           pursuant to a court order.  Without a legal  document
                           establishing a fiduciary relationship, your stock may
                           not be registered in a fiduciary capacity.

                           Instructions: On the first NAME line, print the first
                           name, middle initial,  and last name of the fiduciary
                           if the fiduciary is an  individual.  If the fiduciary
                           is a  corporation,  list the  corporate  title on the
                           first  NAME  line.  Following  the  name,  print  the
                           fiduciary   title  such  as   conservator,   personal
                           representative, etc.

                           On the second NAME line, print either the name of the
                           maker,   donor  or   testator  OR  the  name  of  the
                           beneficiary.  Following  the name,  indicate the date
                           and type of legal document establishing the fiduciary
                           relationship (agreement,  court order, etc.) (Use the
                           space marked OTHER if  necessary).  Please contact us
                           if you have any  questions.  EXAMPLE  OF A  FIDUCIARY
                           REGISTRATION:  John D. Smith Trustee for Tom A. Smith
                           Under  Agreement  Dated  06/09/74.  PLEASE  NOTE THAT
                           TOTTEN TRUST AND PAYABLE ON DEATH  OWNERSHIPS MAY NOT
                           BE USED IN  REGISTERING  STOCK.  For  example,  stock
                           cannot be registered as John Doe Trustee for Jane Doe
                           or John Doe Payable on Death to Jane Doe.
- --------------------------------------------------------------------------------
NASD                       AFFILIATION:  Please  refer to the  NASD  AFFILIATION
                           statement  on the face of this form.  If  applicable,
                           initial  where  indicated  and  check  the  box.  the
                           National  Association  of  Securities  Dealers,  Inc.
                           Interpretation   With  Respect  to  Free-Riding   and
                           Withholding (the  Interpretation)  restricts the sale
                           of a hot issue (securities that trade at a premium in
                           the aftermarket) to NASD members,  persons associated
                           with NASD members (i.e., an owner, director, officer,
                           partner,  employee  or  agent of a NASD  member)  and
                           certain members of their  families.  Such persons are
                           required  to  indicate  that  they will  comply  with
                           certain conditions required for an exemption from the
                           restrictions.
- --------------------------------------------------------------------------------






                               CERTIFICATION FORM
           (This Signed Form Must Accompany A Signed Stock Order Form)

         I ACKNOWLEDGE THAT THE SHARES OF COMMON STOCK, $.01 PAR VALUE PER SHARE
("COMMON STOCK"), OF SERVICE BANCORP. (THE "CORPORATION"),  THE PROPOSED HOLDING
COMPANY FOR SUMMIT BANK (THE "BANK"), ARE NOT GUARANTEED BY THE CORPORATION, THE
BANK OR THE FEDERAL GOVERNMENT.

         If  anyone   asserts  that  this  security  is  federally   insured  or
guaranteed,  or is as safe as an insured deposit, I should call Thomas J. Curry,
Commissioner of the Commonwealth of Massachusetts  Office of the Commissioner of
Banks at (617) 727-0607.

         I further certify that, before purchasing the shares of Common Stock of
the  Corporation,  I received a copy of the  Prospectus  dated August ___,  1998
which discloses the nature of the shares of Common Stock being offered  thereby,
and describes the following  risks involved in an investment in the Common Stock
under the heading "Risk Factors" beginning on page ___ of the Prospectus:

         1.       Growth of the Bank's  Commercial  Business and Commercial Real
                  Estate Lending
         2.       Mutual   Company   Control   of  Stock   Company   and   Other
                  Anti-Takeover Provisions
         3.       Uncertainty as to Future Growth Opportunities
         4.       Sensitivity to Changes in Interest Rates
         5.       Geographic Concentration of Loans
         6.       Potential   Increased    Compensation   Expenses   after   the
                  Reorganization and Offering
         7.       Financial Benefits to Officers and Directors
         8.       Possible Dilutive Effect of Issuance of Additional Shares
         9.       Strong Competition Within the Bank's Market Area
         10.      Regulatory Oversight and Legislation
         11.      Absence of Market for Common Stock
         12.      Possible  Increase in Estimated  Valuation Range and Number of
                  Shares Issued
         13.      Role of the Financial Advisor/Best Efforts Offering
         14.      Conversion of Mutual Company to Stock Form
         15.      Conditions to Closing of the Offering
         16.      Dependence on Key Personnel
         17.      Technology Risks and Year 2000 Problem

         For a more detailed  description of the risks involved in the offering,
see "Risk Factors" at pages ___ through ___ of the Prospectus.

Signature: ____________________________________________________

Signature: ____________________________________________________

(Note:  If stock is to be held jointly, both parties must sign)

Date: ______________________