| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Ameriprise Financial, Inc. | 8.8% | 20,321,709 | 18,001,603 | /s/ Michael G. Clarke | Michael G. Clarke Senior Vice President, North America Head of Operations & Investor Services | ||
| Columbia Management Investment Advisers, LLC | 8.4% | 19,429,581 | 18,001,603 | /s/ Michael G. Clarke | Michael G. Clarke Senior Vice President, North America Head of Operations & Investor Services | ||
| Columbia Seligman Technology and Information Fund | 5% | 11,656,509 | 11,656,509 | /s/ Michael G. Clarke | Michael G. Clarke Senior Vice President & Chief Financial Officer |