SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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

                                    FORM 11-K

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


[X] Annual Report Pursuant to Section 15(d) of the Securities Exchange Act of

    1934 For the Fiscal Year Ended December 31, 2005

                                       or

[ ] Transition Report Pursuant to Section 15(d) of the Securities Exchange Act

    of 1934 For the transition period from _______________ to ______________


Commission File Number: 001-10607
                        ---------


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

                         BITUMINOUS 401(K) SAVINGS PLAN

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


                     OLD REPUBLIC INTERNATIONAL CORPORATION
                            307 NORTH MICHIGAN AVENUE
                             CHICAGO, ILLINOIS 60601


















                                 Total Pages: 13




                                   SIGNATURES
                                   ----------


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
Committee  Members have duly caused this annual report to be signed on behalf of
the undersigned, thereunto duly authorized.



                                     BITUMINOUS 401(K) SAVINGS PLAN, Registrant




                                     By /s/ Greg Ator
                                        ---------------------------------------
                                        Greg Ator, Committee Member


                                     By /s/ Janine Happ
                                        ---------------------------------------
                                        Janine Happ, Committee Member


                                     By /s/ Robert Rainey
                                        ---------------------------------------
                                        Robert Rainey, Committee Member




  Dated: June 26, 2006



                       SECURITIES AND EXCHANGE COMMISSION


                             Washington, D.C. 20549


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

                                    FORM 11-K

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


                                  ANNUAL REPORT



                        Pursuant to Section 15(d) of the
                         Securities Exchange Act of 1934



                 For The Years Ended December 31, 2005 and 2004


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


                         BITUMINOUS 401(k) SAVINGS PLAN
                     (Formerly Known as BITCO Savings Plan)

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




                     OLD REPUBLIC INTERNATIONAL CORPORATION
                             307 NORTH MICHIGAN AVE
                             CHICAGO, ILLINOIS 60601



                         BITUMINOUS 401(k) SAVINGS PLAN
                          Index to Financial Statements


                                                                        Page No.

Report of Independent Registered Public Accounting Firm                    1

Financial Statements:
  Statements of Net Assets Available for Benefits at
    December 31, 2005 and 2004                                             2

  Statements of Changes in Net Assets Available for Benefits
    for the years ended December 31, 2005 and 2004                         3

Notes to Financial Statements                                            4 - 8

Supplemental Schedule:
  Schedule of Assets (Held at End of Year) at December 31, 2005            9
























Note
----

Supplemental  schedules required by the Employee  Retirement Income Security Act
of 1974, as amended that have not been included herein are not applicable.






             Report of Independent Registered Public Accounting Firm


To the Participants and Administrator of
Bituminous 401(k) Savings Plan:

In our opinion, the accompanying statements of net assets available for benefits
and the  related  statements  of changes in net assets  available  for  benefits
present fairly, in all material respects,  the net assets available for benefits
of the  Bituminous  401(k)  Savings  Plan (the  "Plan") at December 31, 2005 and
2004,  and the changes in net assets  available  for benefits for the years then
ended in conformity with accounting  principles generally accepted in the United
States of America.  These  financial  statements are the  responsibility  of the
Plan's  management.  Our  responsibility  is to  express  an  opinion  on  these
financial  statements  based on our  audits.  We  conducted  our audits of these
statements in accordance  with the  standards of the Public  Company  Accounting
Oversight  Board  (United  States).  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,  assessing the accounting  principles used and significant estimates
made by management, and evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

Our audits  were  conducted  for the  purpose of forming an opinion on the basic
financial statements taken as a whole. The supplemental schedule of assets (held
at end of  year)  as of  December  31,  2005 is  presented  for the  purpose  of
additional analysis and is not a required part of the basic financial statements
but is supplementary information required by the Department of Labor's Rules and
Regulations for Reporting and Disclosure  under the Employee  Retirement  Income
Security Act of 1974. The  supplemental  schedule is the  responsibility  of the
Plan's management.  The supplemental schedule has been subjected to the auditing
procedures  applied in the audits of the basic financial  statements and, in our
opinion,  is fairly  stated in all  material  respects  in relation to the basic
financial statements taken as a whole.


                                        /s/ PricewaterhouseCoopers, LLP


Chicago, Illinois
June 26, 2006



                         BITUMINOUS 401(K) SAVINGS PLAN

                STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS
                           December 31, 2005 and 2004




ASSETS                                                 2005             2004
                                                       ----             ----
                                                             
Investments, at fair value:
   Old Republic International
       Corporation common stock                   $  6,450,210     $  6,041,777
   Pooled separate accounts                         15,824,281       14,048,250
   Participant loans receivable                        412,062          434,874
                                                  ------------     ------------
Net assets available for benefits                 $ 22,686,553     $ 20,524,901
                                                  ============     ============





















The accompanying notes are an integral part of these financial statements.

                                        2



                         BITUMINOUS 401(K) SAVINGS PLAN

                       STATEMENT OF CHANGES IN NET ASSETS
                             AVAILABLE FOR BENEFITS
                 For the years ended December 31, 2005 and 2004



                                                        2005            2004
                                                        ----            ----
                                                              
Additions:

Contributions:
  Employer                                          $   232,993     $   210,706
  Employee                                            1,223,531       1,164,011
  Rollover                                              162,956          10,904
                                                    -----------     -----------
    Total contributions                               1,619,480       1,385,621
                                                    -----------     -----------

Investment income (loss):
  Dividends from ORI common stock                       386,396         120,981
  Net investment gain from
    pooled separate accounts                            696,690       1,071,520
  Net appreciation (depreciation) of common stock       216,214         (40,799)
  Interest from participant loans                        23,104          21,971
                                                    -----------     -----------
    Total investment income                           1,322,404       1,173,673
                                                    -----------     -----------

    Total additions                                   2,941,884       2,559,294
                                                    -----------     -----------

Deductions:
  Benefits paid to participants                         778,444       1,386,786
  Administrative expenses                                 1,788          10,115
                                                    -----------     -----------
    Total deductions                                    780,232       1,396,901
                                                    -----------     -----------

    Net increase                                      2,161,652       1,162,393

Net assets available for benefits:
  Beginning of year                                  20,524,901      19,362,508
                                                    -----------     -----------
  End of year                                       $22,686,553     $20,524,901
                                                    ===========     ===========






The accompanying notes are an integral part of these financial statements.

                                       3


                         BITUMINOUS 401(K) SAVINGS PLAN
                         NOTES TO FINANCIAL STATEMENTS


1.       Description of Plan

         The following  description of the  Bituminous  401(k) Savings Plan (the
         "Plan") provides only general information. Participants should refer to
         the  Plan  document  for a more  complete  description  of  the  Plan's
         provisions.

         A.   General

         The Plan is a defined  contribution plan covering  substantially all of
         the employees of Bituminous Casualty  Corporation (the "Company" or the
         "Plan  Sponsor")  who, prior to October 1, 1997, had completed one year
         of service,  attained age twenty-one  and had completed  1,000 hours of
         service during the 12 month period  commencing on their date of hire or
         during a plan  year.  Subsequent  to October  1,  1997,  employees  are
         eligible to participate  in the plan on the last to occur:  (A) date of
         hire or (B) the  start of the  payroll  period  in which  the  employee
         attains age twenty-one.  Participation  in the Plan is optional.  If an
         employee  does not elect to join the Plan on the first  date  he/she is
         eligible  to do so,  he/she  may  join  the  Plan at the  start  of any
         subsequent payroll period. The Plan is subject to the provisions of the
         Employee Retirement Income Security Act of 1974, as amended (ERISA).

         B.   Contributions

         Participants   may   contribute  up  to  12  percent  of  their  annual
         compensation   on  a  before-tax   basis  subject  to  applicable   IRS
         limitations.  The Company provides a matching  contribution equal to 25
         percent  of the  participant's  contribution  on the first 6 percent of
         earnings.  Participants may elect to have their voluntary contributions
         invested in any one or more of the ten Pooled Separate Accounts as well
         as the ORI Stock Account.  Company matching  contributions are invested
         in  the  same   manner  as   participants   have   elected   for  their
         contributions.  A  rollover  is a transfer  to the plan of a  qualified
         distribution in accordance  with the provisions of the plan.  Rollovers
         are not subject to company  matching  contributions.  Employees who are
         age 50 and  older  at any  time  during  the  year  may  make  catch-up
         contributions,   subject  to  applicable  IRS   limitations.   Catch-up
         contributions are not subject to company matching contributions.

         C.   Participant Accounts

         Each   participant's   account  is  credited  with  the   participant's
         contributions,  an allocation of the  Company's  contribution  and Plan
         earnings.  Allocations  are based on  participant  earnings  or account
         balances as defined.  The benefit to which a participant is entitled is
         the benefit that can be provided from the participant's vested account.

         The  Pooled   Separate   Accounts   are  each  divided  into  units  of
         participation. When an amount is allocated or transferred to the Pooled
         Separate Accounts,  the number of units is increased and when an amount
         is withdrawn from the Pooled Separate Accounts,  the number of units is
         decreased.  Such  increase  or  decrease  in the  number  of  units  is
         determined  by dividing the amount  allocated to or withdrawn  from the
         Pooled Separate  Accounts by the then current Pooled  Separate  Account
         unit  value.  Cash  dividends  received  with  respect to Old  Republic
         International   Corporation   ("ORI")  stock  previously   credited  to
         participants  shall be applied  to  purchase  additional  shares of ORI
         stock in the ORI  Stock  Account.  Such  dividends  and the  additional
         shares (including  fractional shares)  subsequently  purchased with the



                                       4


                         BITUMINOUS 401(K) SAVINGS PLAN
                         NOTES TO FINANCIAL STATEMENTS


1. Description of Plan (continued)

         dividends   shall  be  allocated   and  credited  to  the  accounts  of
         participants,  pro rata, according to the shares (including  fractional
         shares)  credited to the  accounts of  participants  on the  applicable
         dividend  record date. Any ORI stock received as a stock split or stock
         dividend or as a result of a reorganization or  recapitalization of ORI
         shall be  allocated  and credited to the  accounts of  participants  in
         proportion to the ORI stock previously credited to their account

         D.   Vesting

         Participants  are immediately  vested in their voluntary  contributions
         plus actual earnings  thereon.  Participants are immediately  vested in
         the remainder of their accounts upon death,  disability,  attainment of
         normal retirement age or based on the participant's  number of years of
         service using the following table for the years ended December 31,2005:

                       Years of Service             Vested Percentage
                         Fewer than 1                        0%
                              1                             10%
                              2                             20%
                              3                             40%
                              4                             60%
                              5                             80%
                          6 or More                        100%

         E.   Payment of Benefits

         On  termination  of service,  retirement,  or death,  a participant  or
         his/her  beneficiary  may elect to leave  funds in the Plan or  receive
         either a  single-sum  payment  or  purchase  of a single  premium  life
         annuity  contract.  Net assets at December  31, 2005 and 2004,  include
         funds totaling $2,884,268 and $2,777,429, respectively, which represent
         the account  balance of retired and  terminated  participants  who have
         elected to leave the funds in the Plan upon retirement or termination.

         F.   Forfeitures

         All forfeitures are segregated annually. At that time,  forfeitures are
         used as an offset to the Company's  matching  contribution.  There were
         unallocated  assets of $225 and $14,000 at December  31, 2005 and 2004,
         respectively, related to these forfeitures.

         G.   Participant Loans

         Participants  may elect to borrow from their  accounts a maximum amount
         equal to the lesser of $50,000 or 50% of their vested account  balance.
         Loan  transactions  are treated as a transfer to (from) the  investment
         account from (to) the Participant  Loans account.  Loan terms shall not
         extend beyond five years. The loans are  collateralized  by the balance
         in the participant's account and bear interest at a rate which is based
         on the prevailing prime rate as published in The Wall Street Journal on
         the first  business day of the month in which the loan is made plus one
         percentage  point.  Interest  rates  range  from 5.00  percent  to 9.00
         percent with loans  maturing at various dates  through 2010.  Principal
         and interest are paid ratably through bi-weekly payroll deductions.


                                       5


                         BITUMINOUS 401(K) SAVINGS PLAN
                         NOTES TO FINANCIAL STATEMENTS


1. Description of Plan (continued)

         H.   Administrative Expenses

         Investment management fees and other fees related to investments of the
         Plan are paid from the earnings of the Plan's  investments  and include
         services  provided to participants  such as investment  communications,
         educational  materials  and the use of the  telephone  benefit  service
         center.  Audit  fees,  legal  fees,  and  other  fees  related  to  the
         administration of the Plan are paid by the Company.

2.       Summary of Significant Accounting Policies

         A.   Basis of Accounting

         The accompanying financial statements have been prepared on the accrual
         basis of accounting.

         B.   Use of Estimates

         The  preparation of financial  statements in conformity with accounting
         principles  generally accepted in the United States of America requires
         management to make estimates and  assumptions  that affect the reported
         amounts  of net  assets  available  for  benefits  and  disclosures  of
         contingent  assets  and  liabilities  at  the  date  of  the  financial
         statements and the changes in net assets  available for benefits during
         the reporting period. Actual results could differ from those estimates.

         C.   Risks and Uncertainties

         The  Plan  provides  for  various   investment  options  in  investment
         securities. Investment securities are exposed to various risks, such as
         interest rate,  market and credit.  Due to the level of risk associated
         with certain investment securities and the level of uncertainty related
         to changes in the value of investment  securities,  it is possible that
         changes in risks in the near term could materially affect participants'
         account  balances  and the  amounts  reported in the  statement  of net
         assets  available  for  benefits  and the  statement  of changes in net
         assets available for benefits.

         D.  Investments and Income Recognition

         ORI stock is stated at the closing  market  value on the last  business
         day of the year.  The Plan presents in the statements of changes in net
         assets  available for benefits the net appreciation  (depreciation)  in
         the fair value of the ORI Stock  Account,  which  consists  of realized
         gains or losses and the unrealized appreciation  (depreciation) of this
         investment.

         Prior to April 1,  2004,  the Plan had a group  annuity  contract  with
         Connecticut  General Life  Insurance  Company  (CGLIC),  whereby  CGLIC
         maintained  contributions  in a  contract  holder's  account  and  such
         contributions were allocated to ten Pooled Participant investment funds
         according to  participant  elections.  Effective  April 1, 2004,  CGLIC
         agreed to transfer its  retirement  business to  Prudential  Retirement
         Insurance and Annuity Company (Prudential) as a result of the sale of a
         result  of the sale of  CIGNA  Retirement  &  Investments  division  to
         Prudential  Insurance Company.  Prudential has therefore replaced CGLIC
         as the insurer of the group annuity contract.  As of this date, the ten
         Pooled Participant  investment funds remain the same with the exception
         of the fund name  changes.  Interest is recorded on the accrual  basis.
         Dividends are recorded on the ex-dividend date. Purchases and sales are
         recorded on a trade date.

                                       6


                         BITUMINOUS 401(K) SAVINGS PLAN
                         NOTES TO FINANCIAL STATEMENTS


2.       Summary of Significant Accounting Policies (continued)

         The ten Pooled  Separate  Accounts  are credited  with  earnings on the
         underlying   investments   and  charged  for  Plan  benefits  paid  and
         deductions for investment expenses,  risk, profit and annual management
         fees charged by Prudential.  The Pooled Separate  Accounts are included
         in the  financial  statements  at fair value at  December  31, 2005 and
         2004, as reported to the Plan by Prudential.  Realized investment gains
         and losses in the Pooled  Separate  Accounts are recognized in the year
         of sale.

         E.  Benefit Payments

         Benefit payments to participants are recorded upon distribution.


3.       Assets Greater Than 5% of Plan Assets

         Investments  that  represent  5% or more of plan assets at December 31,
         2005 and 2004, are as follows:

                                                                                   December 31,
                                                                             2005               2004
                                                                             ----               ----
                                                                                       
           AIM Dynamics Fund                                              $1,167,872         $    -
           Dryden S&P 500 Index                                            2,388,522          2,064,668
           Prudential Short-term Bond Fund                                 3,301,000          3,125,186
           Prudential Balanced I Fund / Wellington Management Co.          2,193,133          1,885,893
           Prudential Large Cap Value / Aronson & Johnson & Ortiz          2,107,911              -
           Prudential Large Cap Value / John A. Levin & Co. Fund               -              1,967,553
           ORI Stock Account                                               6,450,210          6,041,777
           Prudential Small Cap Value/Perkins, Wolf, McDonnell             1,579,733          1,435,697
           Prudential Small Cap Growth / TimesSquare Fund                  1,145,001              -


4.       Tax Status

         The Internal Revenue Service has issued a determination  letter,  dated
         May 29,  2002,  stating  that the Plan is designed in  accordance  with
         applicable  sections of the Internal  Revenue Code (IRC).  The Plan has
         been amended since receiving the  determination  letter.  However,  the
         Plan Sponsor  believes that the Plan is designed and is currently being
         operated in compliance with the applicable requirements of the IRC.


                                       7

                         BITUMINOUS 401(K) SAVINGS PLAN
                         NOTES TO FINANCIAL STATEMENTS


5.       Plan Termination

         Although it has not  expressed any intent to do so, the Company has the
         right under the Plan to discontinue its  contributions  at any time and
         to terminate the Plan subject to the provisions of ERISA.  In the event
         of plan  termination,  participants  shall become 100 percent vested in
         their  accounts and are  entitled to a  distribution  of their  account
         balances.

6.       Related-Party Transactions

         The ORI stock  account is invested in common stock of ORI, the ultimate
         parent of the Company.

         Plan assets include investments in ten Pooled Separate Accounts.  These
         funds are managed by related parties of Prudential  which is the record
         keeper and custodian of Plan assets.














                                       8



                        BITUMINOUSE 401(K) SAVINGS PLAN
                             SUPPLEMENTAL SCHEDULE

                              SCHEDULE H, LINE 4I
                    SCHEDULE OF ASSETS (HELD AT END OF YEAR)
                               Decmeber 31, 2005



 (a)                 (b)                                  (c)                              (d)               (e)
                                               Description of investment                                   Contract/
              Identity of issue                 including interest rate                   Cost           current value
              ----------------------           ---------------------------------          ----           -------------
                                                                                             
              Dryden S&P 500 Index             Pooled separate account**                    -              $ 2,388,522

  *           Prudential Short-term            Pooled separate account**                    -                3,301,000
              Bond Fund

  *           Prudential Balanced I Fund/      Pooled separate account**                    -                2,193,133
              Wellington Management Co.

  *           Prudential Large Cap Growth/     Pooled separate account**                    -                  675,860
              Goldman Sachs Fund

  *           Prudential Large Cap Value/      Pooled separate account**                    -                2,107,911
              Aronson & Johnson & Ortiz Fund

  *           Prudential Small Cap Value/      Pooled separate account**                    -                1,579,733
              Perkins, Wolf, McDonnell Fund

  *           Prudential Small Cap Growth/     Pooled separate account**                    -                1,145,002
              TimesSquare Fund

  *           Prudential Global Value /        Pooled separate account**                    -                  581,106
              Morgan Stanley Fund

              State Street Global Advisors     Pooled separate account**                    -                  684,142
              Intermediate Bond Account

              AIM Dynamics Account             Pooled separate account**                    -                1,167,872

  *           ORI Stock Account                Common stock**                               -                6,450,210

  *           Participant Loans                Participant loans, interest               412,062               412,062
                                               rates range from 5.00% to 9.00%,          -------           -----------
                                               paid in a series of substantially
                                               equal payments over the term of
                                               the loan, maturing at various
                                               dates through 2010
                   Total                                                                $412,062           $22,686,553
                                                                                        ========           ===========
              *Party in interest

              **Cost information is not applicable for participant directed investments


                                       9