| 1. Title of Derivative Security (Instr. 4)
 | 2. Date Exercisable and Expiration Date (Month/Day/Year)
 | 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)
 | 4. Conversion or Exercise Price of Derivative Security | 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)
 | 6. Nature of Indirect Beneficial Ownership (Instr. 5)
 | 
| Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 
| Stock Option (right to buy) | (1) | 06/12/2007 | Common Stock | 4,000 | $
                16 | D |  | 
| Stock Option (right to buy) | (2) | 10/28/2008 | Common Stock | 3,183 | $
                26.5 | D |  | 
| Stock Option (right to buy) | (3) | 10/12/2008 | Common Stock | 3,599 | $
                27.625 | D |  | 
| Stock Option (right to buy) | (4) | 10/15/2009 | Common Stock | 7,199 | $
                26.25 | D |  | 
| Stock Option (right to buy) | (5) | 06/13/2010 | Common Stock | 6,000 | $
                20.438 | D |  | 
| Stock Option (right to buy) | (6) | 10/27/2010 | Common Stock | 9,792 | $
                20.75 | D |  | 
| * | If the form is filed by more than one reporting person, see Instruction 5(b)(v). | 
| ** | Intentional misstatements or omissions of facts constitute Federal Criminal Violations.  See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). | 
| (1) | This option became exercisable with respect to 25% of the total underlying shares on 6/12/97, and with respect to an additional 25% of the total underlying shares on each of the three anniversaries of such date. | 
| (2) | This option became exercisable with respect to 25% of the total underlying shares on 9/30/98, and with respect to an additional 25% of the total underlying shares on each of the three anniversaries of such date. | 
| (3) | This option became exercisable with respect to 25% of the total underlying shares on 9/30/99, and with respect to an additional 25% of the total underlying shares on each of the three anniversaries of such date. | 
| (4) | This option became exercisable with respect to 25% of the total underlying shares on 9/30/00, and with respect to an additional 25% of the total underlying shares on each of the three anniversaries of such date. | 
| (5) | This option became exercisable with respect to 25% of the total underlying shares on 6/13/01, and with respect to an additional 25% of the total underlying shares on each of the three anniversaries of such date. | 
| (6) | This option became exercisable with respect to 25% of the total underlying shares on 9/30/01, and with respect to an additional 25% of the total underlying shares on each of the three anniversaries of such date. |