| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $40.14 | 393,190 |
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $40.18 | 392,890 |
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 500 | $40.20 | 392,390 |
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 1,200 | $40.24 | 391,190 |
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 4,300 | $40.25 | 386,890 |
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $40.26 | 386,590 |
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $40.27 | 386,390 |
| Apr 23, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Open market or private sale of non-derivative or derivative security | 1,000 | $40.42 | 385,390 |
| Apr 26, 2004 | NEMOURS FOUNDATION
|
Ten Percent Owner | Form 4 | Open market or private sale of non-derivative or derivative security | 5,520 | $40.17 | 1,500,808 |
| Apr 28, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 25,095 | $15.44 | 410,485 |
For recent transactions, including derivative transactions, see our Section 16 SEC filingspage.