DVA

SEC source: 0001181431-13-003278 · rrd366803.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 7 and 8.

Disclosed balance after: 13,975,133

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $110.03 to $110.70.

F7 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F8 · ownership.nature: 7,975,133 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,426,635), Johns Manville Corporation Master Pension Trust (1,305,100), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-003278 · rrd366803.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 7 and 8.

Disclosed balance after: 13,935,733

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.03 to $110.02.

F7 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F8 · ownership.nature: 7,975,133 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,426,635), Johns Manville Corporation Master Pension Trust (1,305,100), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-003278 · rrd366803.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 7 and 8.

Disclosed balance after: 13,918,133

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.94 to $110.07.

F7 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F8 · ownership.nature: 7,975,133 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,426,635), Johns Manville Corporation Master Pension Trust (1,305,100), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-003278 · rrd366803.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 7 and 8.

Disclosed balance after: 13,917,965

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $108.94 to $109.93.

F7 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F8 · ownership.nature: 7,975,133 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,426,635), Johns Manville Corporation Master Pension Trust (1,305,100), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-003278 · rrd366803.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 7 and 8.

Disclosed balance after: 13,876,933

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $110.10 to $110.58.

F7 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F8 · ownership.nature: 7,975,133 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,426,635), Johns Manville Corporation Master Pension Trust (1,305,100), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-003278 · rrd366803.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 7 and 8.

Disclosed balance after: 13,867,733

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.06 to $110.03. The reporting person undertakes to provide to DaVita HealthCare Partners Inc. ("DaVita HCP"), any security holder of DaVita HCP, 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 ranges set forth in footnotes 1-6 to this Form 4.

F7 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F8 · ownership.nature: 7,975,133 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,426,635), Johns Manville Corporation Master Pension Trust (1,305,100), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-002869 · rrd366617.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 5 and 6.

Disclosed balance after: 13,795,833

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.48 to $110.20.

F5 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F6 · ownership.nature: 7,795,833 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,369,635), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-002869 · rrd366617.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 5 and 6.

Disclosed balance after: 13,738,133

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.80 to $110.00.

F5 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F6 · ownership.nature: 7,795,833 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,369,635), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-002869 · rrd366617.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 5 and 6.

Disclosed balance after: 13,715,669

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $108.80 to $109.79.

F5 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F6 · ownership.nature: 7,795,833 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,369,635), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-13-002869 · rrd366617.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 5 and 6.

Disclosed balance after: 13,677,967

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $108.80 to $109.69. The reporting person undertakes to provide to DaVita HealthCare Partners Inc. ("DaVita HCP"), any security holder of DaVita HCP, 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 ranges set forth in footnotes 1-4 to this Form 4.

F5 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F6 · ownership.nature: 7,795,833 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (75,000), The Buffalo News Mechanical Pension Plan (25,000), The Buffalo News Drivers/Distributors Pension Plan (10,000), The Buffalo News Editorial Pension Plan (125,000), Dexter Pension Plan (100,000), Flightsafety International Inc. Retirement Income Plan (350,000), Fruit of the Loom Pension Trust (690,032), GEICO Corporation Pension Plan Trust (1,369,635), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 8

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,607,935

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $107.27 to $107.38.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 7

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,599,135

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $106.27 to $107.26.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,539,935

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $105.27 to $106.26.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,387,879

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $106.58 to $106.92.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,299,513

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $105.58 to $106.57.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,220,252

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $104.58 to $105.57.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,169,922

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $106.48 to $106.98.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-062920 · rrd362549.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 9 and 10.

Disclosed balance after: 13,104,141

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $105.48 to $106.47. The reporting person undertakes to provide to DaVita HealthCare Partners Inc. ("DaVita HCP"), any security holder of DaVita HCP, 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 ranges set forth in footnotes 1-8 to this Form 4.

F9 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F10 · ownership.nature: 7,607,935 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (3,410,366); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-061192 · rrd361560.xml · nonDerivative · entry 7

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 8 and 9.

Disclosed balance after: 12,972,302

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $107.60 to $107.99.

F8 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F9 · ownership.nature: 6,972,302 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,774,733); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-061192 · rrd361560.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 8 and 9.

Disclosed balance after: 12,912,327

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $106.60 to $107.59.

F8 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F9 · ownership.nature: 6,972,302 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,774,733); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-061192 · rrd361560.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 8 and 9.

Disclosed balance after: 12,717,728

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $108.35 to $108.99.

F8 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F9 · ownership.nature: 6,972,302 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,774,733); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-061192 · rrd361560.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 8 and 9.

Disclosed balance after: 12,670,579

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $107.35 to $108.34.

F8 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F9 · ownership.nature: 6,972,302 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,774,733); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-061192 · rrd361560.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 8 and 9.

Disclosed balance after: 12,564,428

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $106.35 to $107.34.

F8 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F9 · ownership.nature: 6,972,302 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,774,733); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-061192 · rrd361560.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 8 and 9.

Disclosed balance after: 12,526,128

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.84 to $110.23.

F8 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F9 · ownership.nature: 6,972,302 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,774,733); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-061192 · rrd361560.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 8 and 9.

Disclosed balance after: 12,513,928

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $108.84 to $109.83. The reporting person undertakes to provide to DaVita HealthCare Partners Inc. ("DaVita HCP"), any security holder of DaVita HCP, 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 ranges set forth in footnotes 1-7 to this Form 4.

F8 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F9 · ownership.nature: 6,972,302 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,774,733); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 9

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,293,053

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.19 to $112.56.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 8

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,292,324

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $110.85 to $111.78.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 7

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,275,253

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.85 to $110.84.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,217,297

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $108.85 to $109.83.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,177,597

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $110.93 to $111.78.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,144,347

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.93 to $110.92.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,089,507

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $111.30 to $112.05.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,066,607

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $110.29 to $111.28.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-060561 · rrd361416.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 10 and 11.

Disclosed balance after: 12,008,777

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $109.29 to $110.28. The reporting person undertakes to provide to DaVita HealthCare Partners Inc. ("DaVita HCP"), any security holder of DaVita HCP, 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 ranges set forth in footnotes 1-9 to this Form 4.

F10 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F11 · ownership.nature: 6,293,053 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (2,095,484); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-059177 · rrd360503.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,881,003

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.63 to $113.00.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,881,003 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,683,434); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-059177 · rrd360503.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,865,225

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.73 to $113.00.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,881,003 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,683,434); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-059177 · rrd360503.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,848,615

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $111.73 to $112.72.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,881,003 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,683,434); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-059177 · rrd360503.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,794,599

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.75 to $112.81.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,881,003 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,683,434); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-059177 · rrd360503.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,790,699

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $111.75 to $112.74. The reporting person undertakes to provide to DaVita HealthCare Partners Inc. ("DaVita HCP"), any security holder of DaVita HCP, 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 ranges set forth in footnotes 1-5 to this Form 4.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,881,003 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,683,434); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-058381 · rrd360119.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,748,045

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.19 to $113.00.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,748,045 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,550,476); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-058381 · rrd360119.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,699,171

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.57 to $112.74.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,748,045 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,550,476); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-058381 · rrd360119.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,696,254

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $111.57 to $112.56.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,748,045 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,550,476); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-058381 · rrd360119.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,483,811

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.38 to $113.00.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,748,045 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,550,476); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-058381 · rrd360119.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,471,118

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $111.38 to $112.37. The reporting person undertakes to provide to 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 ranges set forth in footnotes 1-5 to this Form 4.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,748,045 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,550,476); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-057466 · rrd359494.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,199,222

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.81 to $113.00

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,199,222 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,001,653); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-057466 · rrd359494.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,164,012

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.53 to $113.00.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,199,222 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,001,653); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-057466 · rrd359494.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,157,224

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $111.44 to $112.42.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,199,222 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,001,653); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-057466 · rrd359494.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,136,335

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $112.10 to $112.34.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,199,222 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,001,653); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-057466 · rrd359494.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 6 and 7.

Disclosed balance after: 11,131,735

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $111.09 to $112.07. The reporting person undertakes to provide to 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 ranges set forth in footnotes 1-5 to this Form 4.

F6 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: 5,199,222 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (1,001,653); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001181431-12-056405 · rrd359062.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes 7 and 8.

Disclosed balance after: 11,059,731

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.47 to $112.93.

F7 · ownership.nature: 6,000,000 of the total reported securities are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company ("Government Employees") (3,739,467) and GEICO Indemnity Company ("GEICO") (2,260,533). As Berkshire is in the chain of ownership of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares of Common Stock presently owned by each such 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 each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F8 · ownership.nature: 5,059,731 of the total reported securities are owned by the following pension plans of Berkshire's subsidiaries: Acme Brick Company Pension Trust (175,000), The Buffalo News Office Pension Plan (65,000), The Buffalo News Mechanical Pension Plan (16,000), The Buffalo News Drivers/Distributors Pension Plan (7,000), The Buffalo News Editorial Pension Plan (105,000), Dexter Pension Plan (90,000), Flightsafety International Inc. Retirement Income Plan (300,000), Fruit of the Loom Pension Trust (670,000), GEICO Corporation Pension Plan Trust (1,303,769), Johns Manville Corporation Master Pension Trust (1,182,800), Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension & Trust (96,000), Scott Fetzer Collective Investment Trust (187,000), and BNSF Master Retirement Trust (862,162); each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.