FWONA

SEC source: 0001209191-17-033453 · doc4.xml · nonDerivative · entry 2

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 13,561,588

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $36.68 to $36.96.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-033451 · doc4.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 2 and 3.

Disclosed balance after: 13,561,588

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $36.68 to $36.96.

F2 · ownership.nature: 9,353,542 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (628,371). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-033452 · doc4.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 2 and 3.

Disclosed balance after: 28,518,743

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $36.40 to $36.7065.

F2 · ownership.nature: 21,946,623 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (14,920,260), GEICO Advantage Insurance Company (630,000), GEICO Indemnity Company (3,809,650), National Fire & Marine Insurance Company (508,654), and National Indemnity Company (2,078,059). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 7,153,027 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Benjamin Moore & Company Revised Retirement Income Plan (41,500), Berkshire Hathaway Consolidated Pension Plan (1,090,000), BNSF Master Retirement Trust (1,717,332), Buffalo News Editorial Pension Plan (133,500), Buffalo News Office Pension Plan (65,000), GEICO Corporation Pension Plan Trust (975,000), General Re Corp. Employee Retirement Trust (584,206), Johns Manville Corporation Master Pension Trust (750,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,646,489). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-033454 · doc4.xml · nonDerivative · entry 1

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 28,203,743

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $36.305 to $36.80. The reporting person undertakes to provide to Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1, 3 and 4 to this Form 4.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series C Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-033453 · doc4.xml · nonDerivative · entry 1

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 13,419,523

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $36.53 to $37.03. The reporting person undertakes to provide to Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1, 3 and 4 to this Form 4.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-033451 · doc4.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 2 and 3.

Disclosed balance after: 13,419,523

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $36.53 to $37.03. The Reporting Persons undertake to provide Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1, 4 and 5 to this Form 4.

F2 · ownership.nature: 9,353,542 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (628,371). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-033452 · doc4.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 2 and 3.

Disclosed balance after: 28,203,743

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $36.305 to $36.80. The Reporting Persons undertake to provide Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1, 4 and 5 to this Form 4.

F2 · ownership.nature: 21,946,623 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (14,920,260), GEICO Advantage Insurance Company (630,000), GEICO Indemnity Company (3,809,650), National Fire & Marine Insurance Company (508,654), and National Indemnity Company (2,078,059). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 7,153,027 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Benjamin Moore & Company Revised Retirement Income Plan (41,500), Berkshire Hathaway Consolidated Pension Plan (1,090,000), BNSF Master Retirement Trust (1,717,332), Buffalo News Editorial Pension Plan (133,500), Buffalo News Office Pension Plan (65,000), GEICO Corporation Pension Plan Trust (975,000), General Re Corp. Employee Retirement Trust (584,206), Johns Manville Corporation Master Pension Trust (750,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,646,489). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001225208-17-009735 · doc4.xml · derivative · entry 2

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 897,694

Underlying: Series C Liberty SiriusXM Common Stock · 897,694 shares

Expires 2024-05-11

SEC source: 0001225208-17-009735 · doc4.xml · derivative · entry 1

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,465

Underlying: Series C Liberty SiriusXM Common Stock · 22,465 shares

Expires 2024-05-11

SEC source: 0001209191-17-028045 · doc4.xml · nonDerivative · entry 6

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 13,153,917

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.63 to $40.97.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028045 · doc4.xml · nonDerivative · entry 5

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 12,529,351

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.63 to $40.625.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028044 · doc4.xml · nonDerivative · entry 5

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 27,232,120

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.47 to $40.90.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series C Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028044 · doc4.xml · nonDerivative · entry 4

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 25,943,286

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.47 to $40.465.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series C Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028041 · doc4.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 2 and 3.

Disclosed balance after: 27,232,120

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.47 to $40.90.

F2 · ownership.nature: 20,079,093 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (14,920,260), GEICO Advantage Insurance Company (630,000), GEICO Indemnity Company (3,809,650), National Fire & Marine Insurance Company (508,654), and National Indemnity Company (210,529). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 7,153,027 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Benjamin Moore & Company Revised Retirement Income Plan (41,500), Berkshire Hathaway Consolidated Pension Plan (1,090,000), BNSF Master Retirement Trust (1,717,332), Buffalo News Editorial Pension Plan (133,500), Buffalo News Office Pension Plan (65,000), GEICO Corporation Pension Plan Trust (975,000), General Re Corp. Employee Retirement Trust (584,206), Johns Manville Corporation Master Pension Trust (750,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,646,489). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028041 · doc4.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 2 and 3.

Disclosed balance after: 25,943,286

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.47 to $40.465.

F2 · ownership.nature: 20,079,093 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (14,920,260), GEICO Advantage Insurance Company (630,000), GEICO Indemnity Company (3,809,650), National Fire & Marine Insurance Company (508,654), and National Indemnity Company (210,529). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 7,153,027 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Benjamin Moore & Company Revised Retirement Income Plan (41,500), Berkshire Hathaway Consolidated Pension Plan (1,090,000), BNSF Master Retirement Trust (1,717,332), Buffalo News Editorial Pension Plan (133,500), Buffalo News Office Pension Plan (65,000), GEICO Corporation Pension Plan Trust (975,000), General Re Corp. Employee Retirement Trust (584,206), Johns Manville Corporation Master Pension Trust (750,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,646,489). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028042 · doc4.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 2 and 3.

Disclosed balance after: 13,153,917

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.63 to $40.97.

F2 · ownership.nature: 8,845,800 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (120,629). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028042 · doc4.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 2 and 3.

Disclosed balance after: 12,529,351

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.63 to $40.625.

F2 · ownership.nature: 8,845,800 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (120,629). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028045 · doc4.xml · nonDerivative · entry 4

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 12,181,917

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.07 to $40.15.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028045 · doc4.xml · nonDerivative · entry 3

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 12,072,244

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.07 to $40.0672.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028044 · doc4.xml · nonDerivative · entry 3

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 24,932,598

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.94 to $39.90.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series C Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028041 · doc4.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 2 and 3.

Disclosed balance after: 24,932,598

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.94 to $39.90.

F2 · ownership.nature: 20,079,093 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (14,920,260), GEICO Advantage Insurance Company (630,000), GEICO Indemnity Company (3,809,650), National Fire & Marine Insurance Company (508,654), and National Indemnity Company (210,529). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 7,153,027 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Benjamin Moore & Company Revised Retirement Income Plan (41,500), Berkshire Hathaway Consolidated Pension Plan (1,090,000), BNSF Master Retirement Trust (1,717,332), Buffalo News Editorial Pension Plan (133,500), Buffalo News Office Pension Plan (65,000), GEICO Corporation Pension Plan Trust (975,000), General Re Corp. Employee Retirement Trust (584,206), Johns Manville Corporation Master Pension Trust (750,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,646,489). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028042 · doc4.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 2 and 3.

Disclosed balance after: 12,181,917

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.07 to $40.15.

F2 · ownership.nature: 8,845,800 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (120,629). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028042 · doc4.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 2 and 3.

Disclosed balance after: 12,072,244

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.07 to $40.0672.

F2 · ownership.nature: 8,845,800 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (120,629). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028045 · doc4.xml · nonDerivative · entry 2

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 11,031,917

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.13 to $39.25.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028045 · doc4.xml · nonDerivative · entry 1

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 10,934,532

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.13 to $39.1265. The reporting person undertakes to provide to Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1 and 3 through 7 to this Form 4.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series A Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028044 · doc4.xml · nonDerivative · entry 2

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 23,707,598

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.055 to $39.15.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series C Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028044 · doc4.xml · nonDerivative · entry 1

WESCHLER, R. TED · CIK 0001130334 · Member of 10% owner group

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote 2.

Disclosed balance after: 23,622,543

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.055 to $39.05. The reporting person undertakes to provide to Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1 and 3 through 6 to this Form 4.

F2 · ownership.nature: These shares were acquired by certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc. ("Berkshire"). As a result of an agreement entered into on May 24, 2013 between Berkshire and the reporting person with respect to the reporting person's holdings of, and future transactions in, shares of Series C Liberty SiriusXM Common Stock ("Shares"), Berkshire and the reporting person have agreed to file as a "group" under Section 13 of the Exchange Act. The reporting person disclaims beneficial ownership of Shares owned by Berkshire, Berkshire's subsidiaries and its subsidiary pension plans. This report shall not be deemed an admission that the reporting person is the beneficial owner of any Shares that are not directly owned by the reporting person for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001209191-17-028041 · doc4.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 2 and 3.

Disclosed balance after: 23,707,598

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.055 to $39.15.

F2 · ownership.nature: 20,079,093 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (14,920,260), GEICO Advantage Insurance Company (630,000), GEICO Indemnity Company (3,809,650), National Fire & Marine Insurance Company (508,654), and National Indemnity Company (210,529). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 7,153,027 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Benjamin Moore & Company Revised Retirement Income Plan (41,500), Berkshire Hathaway Consolidated Pension Plan (1,090,000), BNSF Master Retirement Trust (1,717,332), Buffalo News Editorial Pension Plan (133,500), Buffalo News Office Pension Plan (65,000), GEICO Corporation Pension Plan Trust (975,000), General Re Corp. Employee Retirement Trust (584,206), Johns Manville Corporation Master Pension Trust (750,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,646,489). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028041 · doc4.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 2 and 3.

Disclosed balance after: 23,622,543

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.055 to $39.05. The Reporting Persons undertake to provide Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1 and 4 through 7 to this Form 4.

F2 · ownership.nature: 20,079,093 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (14,920,260), GEICO Advantage Insurance Company (630,000), GEICO Indemnity Company (3,809,650), National Fire & Marine Insurance Company (508,654), and National Indemnity Company (210,529). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 7,153,027 of the total reported shares of Series C Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Benjamin Moore & Company Revised Retirement Income Plan (41,500), Berkshire Hathaway Consolidated Pension Plan (1,090,000), BNSF Master Retirement Trust (1,717,332), Buffalo News Editorial Pension Plan (133,500), Buffalo News Office Pension Plan (65,000), GEICO Corporation Pension Plan Trust (975,000), General Re Corp. Employee Retirement Trust (584,206), Johns Manville Corporation Master Pension Trust (750,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,646,489). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028042 · doc4.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 2 and 3.

Disclosed balance after: 11,031,917

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.13 to $39.25.

F2 · ownership.nature: 8,845,800 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (120,629). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001209191-17-028042 · doc4.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 2 and 3.

Disclosed balance after: 10,934,532

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.13 to $39.1265. The Reporting Persons undertake to provide Liberty Media Corp ("Liberty"), any security holder of Liberty, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes 1 and 4 through 8 to this Form 4.

F2 · ownership.nature: 8,845,800 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (5,558,855), GEICO Advantage Insurance Company (262,500), GEICO Indemnity Company (1,970,425), National Fire & Marine Insurance Company (933,391), and National Indemnity Company (120,629). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. 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, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 4,308,117 of the total reported shares of Series A Liberty SiriusXM Common Stock are owned by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (525,000), BNSF Master Retirement Trust (936,000), GEICO Corporation Pension Plan Trust (500,000), General Re Corp. Employee Retirement Trust (100,000), Johns Manville Corporation Master Pension Trust (410,000), Lubrizol Corp Master Trust Pension (150,000), and Precision Castparts Corp. Master Trust (1,687,117). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001225208-17-007152 · doc4.xml · nonDerivative · entry 1

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 905,463

F1 · price: The price is based on the average of the high and low trading prices on April 3, 2017.

SEC source: 0001225208-17-007152 · doc4.xml · derivative · entry 4

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 171,299

Underlying: Series C Liberty Formula One Common Stock · 171,299 shares

Expires 2024-03-30

SEC source: 0001225208-17-007152 · doc4.xml · derivative · entry 3

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,594

Underlying: Series C Liberty Braves Common Stock · 133,594 shares

Expires 2024-03-30

SEC source: 0001225208-17-007969 · doc4a.xml · derivative · entry 2

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,283

Underlying: Series C Liberty Braves Common Stock · 15,283 shares

Expires 2024-03-30

SEC source: 0001225208-17-007969 · doc4a.xml · nonDerivative · entry 1

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 936,273

SEC source: 0001225208-17-007153 · doc4.xml · nonDerivative · entry 1

MALONE JOHN C · CIK 0000937797 · Director · Chairman of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,551,920

F1 · balance_after: Includes 12,800 shares previously held indirectly by the John C. Malone June 2003 Charitable Remainder Unitrust that were transferred to the reporting person on March 31, 2017.

SEC source: 0001225208-17-006958 · doc4.xml · derivative · entry 5

Carleton Mark D · CIK 0001434339 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,299

Underlying: Series C Liberty Formula One Common Stock · 30,000 shares

Expires 2020-03-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The derivative security is fully vested.

SEC source: 0001225208-17-006958 · doc4.xml · nonDerivative · entry 4

Carleton Mark D · CIK 0001434339 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: The price is a weighted average price. These shares were sold in multiple transactions ranging from $33.54 to $33.70, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-17-006958 · doc4.xml · nonDerivative · entry 3

Carleton Mark D · CIK 0001434339 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,400

SEC source: 0001225208-17-006958 · doc4.xml · nonDerivative · entry 2

Carleton Mark D · CIK 0001434339 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,809

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-17-006958 · doc4.xml · nonDerivative · entry 1

Carleton Mark D · CIK 0001434339 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001225208-17-006733 · doc4.xml · derivative · entry 3

ROSENTHALER ALBERT E · CIK 0001195195 · Chief Corp. Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,384

Underlying: Series C Liberty SiriusXM Common Stock · 39,384 shares

Expires 2024-03-20

SEC source: 0001225208-17-006733 · doc4.xml · derivative · entry 2

ROSENTHALER ALBERT E · CIK 0001195195 · Chief Corp. Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,331

Underlying: Series C Liberty Formula One Common Stock · 19,331 shares

Expires 2024-03-20

SEC source: 0001225208-17-006733 · doc4.xml · derivative · entry 1

ROSENTHALER ALBERT E · CIK 0001195195 · Chief Corp. Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,031

Underlying: Series C Liberty Braves Common Stock · 5,031 shares

Expires 2024-03-20

SEC source: 0001225208-17-006098 · doc4.xml · nonDerivative · entry 3

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,664,787

F1 · price: The price is based on the average of the high and low trading prices on March 8, 2017.

SEC source: 0001225208-17-006098 · doc4.xml · nonDerivative · entry 2

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 915,254

F1 · price: The price is based on the average of the high and low trading prices on March 8, 2017.

SEC source: 0001225208-17-006098 · doc4.xml · nonDerivative · entry 1

MAFFEI GREGORY B · CIK 0001099636 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 694,862

F1 · price: The price is based on the average of the high and low trading prices on March 8, 2017.

SEC source: 0001225208-17-006099 · doc4.xml · nonDerivative · entry 3

ROSENTHALER ALBERT E · CIK 0001195195 · Chief Corp. Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,128

F1 · price: The price is based on the average of the high and low trading prices on March 8, 2017.

SEC source: 0001225208-17-006099 · doc4.xml · nonDerivative · entry 2

ROSENTHALER ALBERT E · CIK 0001195195 · Chief Corp. Dev. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,030

F1 · price: The price is based on the average of the high and low trading prices on March 8, 2017.