| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Warren E. Buffett | 8.8% | 2.98M | 0 | 2.98M | /s/ Warren E. Buffett | Warren E. Buffett | |
| Berkshire Hathaway Inc. | 6.9% | 2.98M | 0 | 2.98M | /s/ Warren E. Buffett | Warren E. Buffett, Chairman of the Board | |
| National Indemnity Company | 8.8% | 2.98M | 0 | 2.98M | /s/ Warren E. Buffett | Warren E. Buffett, Attorney-in-Fact | |
| GEICO Corporation | 8.8% | 2.98M | 0 | 2.98M | /s/ Warren E. Buffett | Warren E. Buffett, Attorney-in-Fact | |
| Government Employees Insurance Company | 8.8% | 2.98M | 0 | 2.98M | /s/ Warren E. Buffett | Warren E. Buffett, Attorney-in-Fact |