Exhibit 99.15 (Text of graph posted to Ashland Inc.'s website concerning APAC's monthly revenue and twelve month rolling average revenue) APAC Monthly Revenue ($, Millions) 2001 2002 2003 2004 2005 2006 ------ ------ ------ ------ ------ ------ January 88 113 99 106 107 133 February 151 161 126 131 152 174 March 145 150 148 171 129 181 April 206 216 195 204 193 234 May 306 289 262 279 287 322 June 234 251 226 214 234 282 July 241 231 236 233 230 268 August 324 314 311 307 333 September 309 246 238 230 263 October 313 259 309 285 330 November 216 179 201 176 236 December 152 121 140 150 161 APAC 12 Month Rolling Average ($, Millions) 2001 2002 2003 2004 2005 2006 ------ ------ ------ ------ ------ ------ January 206 226 210 208 207 223 February 208 227 207 209 209 225 March 206 227 207 211 206 230 April 203 228 205 211 205 233 May 209 226 203 213 205 237 June 210 228 201 212 207 240 July 207 227 201 211 207 243 August 213 226 201 211 209 September 219 221 200 210 212 October 220 216 204 208 215 November 224 213 206 206 220 December 224 211 208 207 221