Transaction Details

Footnotes

17,164,453 of the total reported securities are owned by Government Employees Insurance Company, a subsidiary of Berkshire Hathaway Inc. ("Berkshire"). As Berkshire is in the chain of ownership of this subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares of Common Stock presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. | 16,632,088 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: BNSF Master Retirement Trust (6,100,000) and Berkshire Hathaway Inc. Consolidated Pension Plan (10,532,088); each of Berkshire, Mr. Buffett and these pension plans disclaim beneficial ownership in such shares. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.4800 to $139.4500. The Reporting Persons undertake to provide DaVita Inc. ("DaVita"), any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 3 to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.5100 to $140.0000. The Reporting Persons undertake to provide DaVita, any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 4 to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.5900 to $137.5800. The Reporting Persons undertake to provide DaVita, any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 5 to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $137.6350 to $138.5800. The Reporting Persons undertake to provide DaVita, any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 6 to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.5900 to $138.6300. The Reporting Persons undertake to provide DaVita, any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 7 to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.0550 to $139.0200. The Reporting Persons undertake to provide DaVita, any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 8 to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.0600 to $140.0500. The Reporting Persons undertake to provide DaVita, any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 9 to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.0600 to $140.3000. The Reporting Persons undertake to provide DaVita, any security holder of DaVita, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 10 to this Form 4.