| 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 | 
| Non-Qualified Stock Option (right to buy) | 08/15/2012(1) | 08/03/2022 | Common Stock | 9,800 | $
                1.8 | D |  | 
| Non-Qualified Stock Option (right to buy) | 04/06/2012(2) | 04/06/2021 | Common Stock | 1,338 | $
                10.4 | D |  | 
| Non-Qualified Stock Option (right to buy) | 04/26/2010 | 04/26/2020 | Common Stock | 368 | $
                27.28 | D |  | 
| Non-Qualified Stock Option (right to buy) | 04/26/2011(2) | 04/26/2020 | Common Stock | 1,459 | $
                27.28 | D |  | 
| Non-Qualified Stock Option (right to buy) | 04/23/2009 | 04/23/2019 | Common Stock | 550 | $
                14.88 | D |  | 
| Non-Qualified Stock Option (right to buy) | 04/23/2010(2) | 04/23/2019 | Common Stock | 1,747 | $
                14.88 | D |  | 
| Non-Qualified Stock Option (right to buy) | 03/25/2008 | 03/25/2018 | Common Stock | 156 | $
                17.84 | D |  | 
| Non-Qualified Stock Option (right to buy) | 03/25/2009(3) | 03/25/2018 | Common Stock | 1,767 | $
                17.84 | D |  | 
| Non-Qualified Stock Option (right to buy) | 05/17/2006(3) | 06/13/2013 | Common Stock | 270 | $
                22.16 | D |  | 
| Non-Qualified Stock Option (right to buy) | 05/17/2006(3) | 11/12/2013 | Common Stock | 38 | $
                22.16 | D |  | 
| Non-Qualified Stock Option (right to buy) | 05/17/2006(3) | 01/01/2014 | Common Stock | 63 | $
                22.16 | D |  | 
| Non-Qualified Stock Option (right to buy) | 05/17/2006(3) | 08/24/2014 | Common Stock | 166 | $
                22.16 | D |  | 
| Non-Qualified Stock Option (right to buy) | 05/17/2006(3) | 10/01/2014 | Common Stock | 119 | $
                22.16 | D |  | 
| Non-Qualified Stock Option (right to buy) | 02/28/2008(3) | 02/28/2017 | Common Stock | 1,875 | $
                27.36 | D |  | 
| Non-Qualified Stock Option (right to buy) | 04/05/2007(3) | 04/05/2016 | Common Stock | 868 | $
                27.44 | 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) | The reporting person vests ownership in this stock option as follows: one-third on each of August 15, 2012, August 15, 2013, and August 15, 2014, subject to the terms of the 2006 Incentive Plan. | 
| (2) | The reporting person vests ownership in this stock option as follows: 25% upon each anniversary of the date of grant, subject to the terms of the 2006 Incentive Plan. | 
| (3) | This stock option became fully exercisable prior to the Event Date triggering this Form 3 filing. |