EXHIBIT I JOINT FILING AGREEMENT ---------------------- Each of the undersigned hereby agrees that the Schedule 13G filed herewith is filed jointly, pursuant to Rule 13d-1(f)(1) of the Securities Exchange Act of 1934, as amended on behalf of each of them. Dated: February 14, 2005 AXA Financial, Inc. BY: /s/ Alvin H. Fenichel ----------------------------------------- Alvin H. Fenichel Senior Vice President and Controller AXA Assurances I.A.R.D. Mutuelle; AXA Assurances Vie Mutuelle; AXA Courtage Assurance Mutuelle, as a group, and AXA Signed on behalf of each of the above entities BY: /s/ Alvin H. Fenichel ----------------------------------------- Alvin H. Fenichel Attorney-in-Fact (Executed pursuant to Powers of Attorney)
February 14, 2005 Filer Support Securities and Exchange Commission 6432 General Green Way Alexandria, VA 22312 Re: Schedule 13G ASHLAND INC As of: December 31, 2004 Amendment No. 4 Ladies and Gentlemen: In accordance with Section 13(d) of the Securities Exchange Act of 1934 (the "Exchange Act"), attached is a final Schedule 13G for the above named company showing beneficial ownership of less than five percent as of December 31, 2004 This Schedule 13G is being filed jointly, pursuant to Rule 13d-1(f)(1) of the Exchange Act, on behalf of AXA Financial, Inc.; three French mutual insurance companies, AXA Assurances I.A.R.D. Mutuelle, AXA Assurances Vie Mutuelle, and AXA Courtage Assurance Mutuelle (collectively, the "Mutuelles AXA"), as a group; AXA; and their subsidiaries. If you have any questions about this filing, please contact Dean Dubovy at (212) 314-5528. Very truly yours, /s/ Alvin H. Fenichel Alvin H. Fenichel Senior Vice President and Controller cc: Corporate Secretary ASHLAND INC 50 E. RiverCenter Blvd Covington, KY 41012