<DOCUMENT>
<TYPE>EX-20
<SEQUENCE>3
<FILENAME>henkex20_10-9.txt
<TEXT>
                                                                      Exhibit 20

                         Purchases of Common Stock from
                    December 14, 2000 through October 5, 2001
                    -----------------------------------------


Set forth below are the purchases of Common Stock from December 14, 2000 through
October 5, 2001. All purchases were made in open-market, stock exchange
transactions.


           Date                  Number of Shares          Price per Share
           ----                  ----------------          ---------------
         1/22/2001                      1,000                $ 39.00
        10/02/2001                    200,300                  36.00
        10/02/2001                        100                  35.98
        10/02/2001                      5,000                  35.96
        10/02/2001                      3,000                  35.95
        10/02/2001                      1,500                  35.69
        10/02/2001                        200                  35.67
        10/02/2001                     15,800                  35.53
        10/02/2001                     35,500                  35.50
        10/02/2001                     14,000                  35.44
        10/02/2001                      1,000                  35.40
        10/02/2001                        100                  35.36
        10/02/2001                        200                  35.35
        10/02/2001                      1,000                  35.32
        10/02/2001                      2,000                  35.30
        10/02/2001                      1,200                  35.29
        10/02/2001                        300                  35.27
        10/02/2001                        200                  35.24
        10/02/2001                      9,100                  35.23
        10/02/2001                        100                  35.22
        10/02/2001                     22,900                  35.20
        10/02/2001                        200                  35.19
        10/02/2001                      1,400                  35.15
        10/02/2001                        200                  35.13
        10/02/2001                     15,200                  35.12
        10/02/2001                      1,500                  35.11
        10/02/2001                     35,900                  35.10
        10/02/2001                        800                  35.09
        10/02/2001                        300                  35.08
        10/02/2001                     18,600                  35.07
        10/02/2001                      1,800                  35.06
        10/02/2001                     25,600                  35.05
        10/02/2001                        800                  35.04
        10/02/2001                        800                  35.03
        10/02/2001                      1,000                  35.02
        10/02/2001                        300                  35.01
        10/02/2001                     40,900                  35.00
        10/02/2001                     10,200                  34.99
        10/02/2001                      2,200                  34.98
        10/02/2001                      1,000                  34.97
        10/02/2001                      2,000                  34.96
        10/02/2001                        800                  34.95
        10/02/2001                      3,200                  34.94
        10/02/2001                        100                  34.92
        10/02/2001                      3,300                  34.91
        10/02/2001                     26,300                  34.90
        10/03/2001                     50,000                  35.95
        10/03/2001                     75,000                  35.90
        10/03/2001                     25,000                  35.75
        10/03/2001                      1,100                  35.57
        10/03/2001                        100                  35.50
        10/05/2001                  1,103,500                  36.00
        10/05/2001                        100                  35.64
        10/05/2001                    534,500                  35.50
        10/05/2001                      2,900                  35.49
        10/05/2001                      1,200                  35.47
        10/05/2001                        900                  35.46
        10/05/2001                      3,300                  35.45
        10/05/2001                      2,500                  35.40
        10/05/2001                      1,000                  35.39
        10/05/2001                        700                  35.38
        10/05/2001                        500                  35.37
        10/05/2001                        200                  35.36
        10/05/2001                        300                  35.35
        10/05/2001                        400                  35.32
        10/05/2001                      2,200                  35.30
        10/05/2001                     16,800                  35.29
        10/05/2001                      5,000                  35.28
        10/05/2001                      2,000                  35.27
        10/05/2001                      2,500                  35.26
        10/05/2001                     82,900                  35.25
        10/05/2001                      1,500                  35.23
        10/05/2001                      1,600                  35.22
        10/05/2001                      9,000                  35.20
        10/05/2001                      1,500                  35.19
        10/05/2001                      2,300                  35.18
        10/05/2001                      2,700                  35.17
        10/05/2001                      6,100                  35.16
        10/05/2001                      1,900                  35.15
        10/05/2001                      1,000                  35.14
        10/05/2001                      1,300                  35.11
        10/05/2001                      1,800                  35.10
        10/05/2001                        100                  35.08
        10/05/2001                     25,800                  35.00
        10/05/2001                     14,300                  34.96
        10/05/2001                      6,600                  34.95

</TEXT>
</DOCUMENT>
