| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Ameriprise Financial, Inc. | 12.9% | 30.1M | 0 | 28.2M | /s/ Michael G. Clarke | Michael G. Clarke, Senior Vice President, North America Head of Operations & Investor Services | |
| Columbia Management Investment Advisers, LLC | 12.3% | 28.9M | 0 | 28.2M | /s/ Michael G. Clarke | Michael G. Clarke, Senior Vice President, North America Head of Operations & Investor Services | |
| Columbia Seligman Technology and Information Fund | 0% | 228 | 228 | 0 | /s/ Michael G. Clarke | Michael G. Clarke, Senior Vice President & Chief Financial Officer |