COVER 6 filename6.txt March 30, 2006 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Ladies & Gentlemen: On behalf of Ashland Inc. ("Ashland"), submitted herewith for filing in electronic format is an amendmenet on Form 10-K/A to Ashland's Annual Report on Form 10-K for the fiscal year ended September 30, 2005. Please contact me at (859) 815-5368 in the event you have any questions regarding this transmission. Very truly yours, /s/ David B. Mattingly David B. Mattingly Senior Counsel