UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION

                             Washington, D. C. 20549

                                  FORM 8-K

                               CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

         Date of report (Date of earliest event reported): April 8, 2005

                                ASHLAND INC.
             (Exact name of registrant as specified in its charter)

                                    Kentucky
                 (State or other jurisdiction of incorporation)

                         1-2918                             61-0122250
                 (Commission File Number)                 (I.R.S. Employer
                                                          Identification No.)

    50 E. RiverCenter Boulevard, Covington, Kentucky       41012-0391
        (Address of principal executive offices)           (Zip Code)

           P.O. Box 391, Covington, Kentucky               41012-0391 
                     (Mailing Address)                     (Zip Code)

     Registrant's telephone number, including area code (859) 815-3333

     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of
the following provisions:

[X]      Written communications pursuant to Rule 425 under the Securities
         Act (17 CFR 2230.425)
[  ]     Soliciting material pursuant to Rule 14a-12 under the Exchange Act 
         (17 CFR 240.14a-12)
[  ]     Pre-commencement communications pursuant to Rule 14d-2(b) under the
         Exchange Act (17 CFR 240.14d-2(b))
[  ]     Pre-commencement communications pursuant to Rule 13e-4(c) under the
         Exchange Act (17 CFR 240.13e-4(c))






Item 8.01.  Other Events

     On April 8, 2005, Shiva Singh instituted a class action in the Supreme
Court of the  State of New York in New York  County  against  Ashland  Inc.
("Ashland"),  and the individual  members of Ashland's  Board of Directors.
The complaint also names Marathon Oil  Corporation  ("Marathon"),  Marathon
Ashland  Petroleum  LLC ("MAP") and Credit Suisse First Boston LLC ("CSFB")
as  defendants.  The complaint  states that Mr. Singh holds Ashland  common
stock and that the  complaint  is brought on behalf of Mr. Singh and others
similarly  situated.  The action  arises from the proposed  transaction  in
which  Ashland  would  transfer  its entire 38%  interest in MAP as well as
certain other  businesses  to Marathon.  The  complaint  alleges  breach of
fiduciary duty as well as aiding and abetting  breach of fiduciary duty and
negligence against Ashland, its directors,  Marathon and MAP. The complaint
alleges  breach of  fiduciary  duty and  negligence  as well as aiding  and
abetting breach of fiduciary duty and negligence against CSFB.

     The  complaint  seeks to recover  from  defendants  an unstated sum of
damages.  The complaint also seeks to enjoin the proposed  transaction (and
any related  shareholder vote) between Ashland and Marathon under the terms
presently  proposed;  to require  defendants to fully disclose all material
facts before completion of any such transaction;  and to require defendants
to obtain a current,  independent  fairness opinion concerning the proposed
transaction.  To the extent that the proposed  transaction  is  consummated
prior to the entry of the court's final  judgment,  the complaint  asks the
court to rescind such transaction(s) and award damages.  The complaint also
seeks reasonable attorneys' fees, costs and expenses.  Ashland believes the
lawsuit is without merit.

     Ashland and Marathon are discussing possible alternatives with respect
to the proposed  transaction.  There can be no assurances that an agreement
on an alternative transaction will be reached.




                                 SIGNATURES


     Pursuant to the  requirements of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused this report to be signed on its behalf by
the undersigned thereunto duly authorized.

                                              ASHLAND INC.
                               -------------------------------------------
                                              (Registrant)



    Date:  April 13, 2005               /s/ David L. Hausrath
                               -------------------------------------------
                               Name:     David L. Hausrath
                               Title:    Senior Vice President, 
                                         General Counsel and Secretary