EX-99 16 cover.txt COVER LETTER December 22, 2006 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Ladies & Gentlemen: On behalf of Ashland Inc., submitted herewith for filing in electronic format is Ashland's Form 8-K. 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