A M P H E N O L C O R P O R A T I O N 2 0 0 4 A N N U A L R E P O R T  Purchases of Equity Securities  Period  (a) Total Number of  Shares Purchased  (b) Average Price  Paid per Share  (c) Total Number  of Shares Pur- chased as Part of  Publicly An- nounced Plans or  Programs  (d) Maximum  Number of Shares  that May Yet Be  Purchased Under  the Plans or Pro- grams  January 1, 2004 to  January 31, 2004  -  -  -  -  February 1, 2004 to  February 29, 2004  -  -  -  -  March 1, 2004 to March 31, 2004  530,800  $30.47  530,800  4,469,200  April 1, 2004 to April 30, 2004  -  -  -  -  May 1, 2004 to May 31, 2004  -  -  -  -  June 1, 2004 to June 30, 2004  -  -  -  -  July 1, 2004 to July 31, 2004  206,700 $29.39 737,500 4,262,500 August 1, 2004 to  August 31, 2004  280,300 $29.38 1,017,800 3,982,200 September 1, 2004  to September 30,  2004  80,000 $29.93 1,097,800 3,902,200 October 1, 2004 to  October 31, 2004  40,000 $33.83 1,137,800 3,862,200 November 1, 2004  to November 30,  2004  120,000 $36.40 1,257,800 3,742,200 December 1, 2004 to  December 31, 2004  197,700 $35.62 1,455,500 3,544,500 Total 1,455,500 $31.36 1,455,500 3,544,500 24  On March 4, 2004, the Company announced that its Board of Directors authorized an open-market stock repurchase  program (the “Program”) of up to 2.0 million shares (on a post-split basis) of its common stock during the period ending  December 31, 2005. On October 20, 2004 the Program was amended to increase the number of authorized shares to 5.0 million  and to extend the expiration date until September 30, 2006. Approximately 3.5 million shares of common stock remain available  for repurchase under the Program.