SCIENCE CLUB amazon.com SALES

 Q4 1998 Referral fee this quarter,	      $76.47

 Q1 1999 Referral fee this quarter,          $120.17
 Q2 1999 Referral fee this quarter,          $183.10
 Q3 1999 Referral fee this quarter,          $202.96
 Q4 1999 Referral fee this quarter,          $693.95  $1200.18

 Q1 2000 Referral fee this quarter,          $638.65
 Q2 2000 Referral fee this quarter,          $466.16
 Q3 2000 Referral fee this quarter,          $340.58
 Q4 2000 Referral fee this quarter,          $409.49  $1854.88

 Q1 2001 Referral fee this quarter,          $247.84
 Q2 2001 Referral fee this quarter,          $177.39
 Q3 2001 Referral fee this quarter,          $144.40
 Q4 2001 Referral fee this quarter,          $316.15  $885.78

 Q1 2002 Referral fee this quarter,          $208.50
 Q2 2002 Referral fee this quarter,          $251.11
 Q3 2002 Referral fee this quarter,          $291.60
 Q4 2002 Referral fee this quarter,          $455.18  $1206.39

 Q1 2003 Referral fee this quarter,          $403.60
 Q2 2003 Referral fee this quarter,          $312.38
 Q3 2003 Referral fee this quarter,          $229.24
 Q4 2003 Referral fee this quarter,          $325.20  $1270.42

 Q1 2004 Referral fee this quarter,          $317.89
 Q2 2004 Referral fee this quarter,          $292.25
 Q3 2004 Referral fee this quarter,          $252.63
 Q4 2004 Referral fee this quarter,          $752.51  $1615.40

 Q1 2005 Referral fee this quarter,          $357.11
 Q2 2005 Referral fee this quarter,          $245.28
 Q3 2005 Referral fee this quarter,          $283.68
 Q4 2005 Referral fee this quarter,          $481.82**   $1367.89** in prog