Edgar Filing: LIBERTY MEDIA CORPORATION

SC 13G/A

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO § 240.13d-2

(Amendment No. 2)

LIBERTY MEDIA CORPORATION

(Name of Issuer)

SERIES A SIRIUSXM COMMON STOCK

(Title of Class of Securities)

531229409

(CUSIP Number)

December 31, 2017

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1 (b)

☒ Rule 13d-1 (c)

☐ Rule 13d-1 (d)

*	The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (the “Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes.)

13G


CUSIP No. 531229409		Page 2 of 22 Pages


1	NAME OF REPORTING PERSON Warren E. Buffett
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States Citizen
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 14,860,360
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 14,860,360
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 14,860,360
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 14.5%
12	TYPE OF REPORTING PERSON IN

13G


CUSIP No. 531229409		Page 3 of 22 Pages


1	NAME OF REPORTING PERSON Berkshire Hathaway Inc.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 14,860,360
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 14,860,360
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 14,860,360
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 14.5%
12	TYPE OF REPORTING PERSON HC, CO

13G


CUSIP No. 531229409		Page 4 of 22 Pages


1	NAME OF REPORTING PERSON National Indemnity Company
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Nebraska
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 9,618,852
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 9,618,852
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,618,852
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 9.4%
12	TYPE OF REPORTING PERSON IC, CO

13G


CUSIP No. 531229409		Page 5 of 22 Pages


1	NAME OF REPORTING PERSON National Fire & Marine Insurance Company
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Nebraska
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 933,391
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 933,391
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 933,391
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.9%
12	TYPE OF REPORTING PERSON IC, CO

13G


CUSIP No. 531229409		Page 6 of 22 Pages


1	NAME OF REPORTING PERSON GEICO Corporation
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 7,791,780
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 7,791,780
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,791,780
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.6%
12	TYPE OF REPORTING PERSON HC, CO

13G


CUSIP No. 531229409		Page 7 of 22 Pages


1	NAME OF REPORTING PERSON Government Employees Insurance Company
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Maryland
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 5,558,855
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 5,558,855
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,558,855
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.4%
12	TYPE OF REPORTING PERSON IC, CO

13G


CUSIP No. 531229409		Page 8 of 22 Pages


1	NAME OF REPORTING PERSON GEICO Indemnity Company
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Maryland
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 1,970,425
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 1,970,425
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,970,425
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.9%
12	TYPE OF REPORTING PERSON IC, CO

13G


CUSIP No. 531229409		Page 9 of 22 Pages


1	NAME OF REPORTING PERSON GEICO Advantage Insurance Company
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Nebraska
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 262,500
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 262,500
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 262,500
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.3%
12	TYPE OF REPORTING PERSON IC, CO

13G


CUSIP No. 531229409		Page 10 of 22 Pages


1	NAME OF REPORTING PERSON Berkshire Hathaway Consolidated Pension Plan
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 525,000
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 525,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 525,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.5%
12	TYPE OF REPORTING PERSON EP

13G


CUSIP No. 531229409		Page 11 of 22 Pages


1	NAME OF REPORTING PERSON GEICO Corporation Pension Plan Trust
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Maryland
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 500,000
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 500,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 500,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.5%
12	TYPE OF REPORTING PERSON EP

13G


CUSIP No. 531229409		Page 12 of 22 Pages


1	NAME OF REPORTING PERSON Johns Manville Corporation Pension Trust
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Colorado
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 410,000
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 410,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 410,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.4%
12	TYPE OF REPORTING PERSON EP

13G


CUSIP No. 531229409		Page 13 of 22 Pages


1	NAME OF REPORTING PERSON BNSF Master Retirement Trust
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Texas
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 936,000
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 936,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 936,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.9%
12	TYPE OF REPORTING PERSON EP

13G


CUSIP No. 531229409		Page 14 of 22 Pages


1	NAME OF REPORTING PERSON General Re Corp. Employee Retirement Trust
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Connecticut
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 100,000
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 100,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 100,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.1%
12	TYPE OF REPORTING PERSON EP

13G


CUSIP No. 531229409		Page 15 of 22 Pages


1	NAME OF REPORTING PERSON Precision Castparts Corp. Master Trust
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Oregon
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 1,687,117
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 1,687,117
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,687,117
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.6%
12	TYPE OF REPORTING PERSON EP

13G


CUSIP No. 531229409		Page 16 of 22 Pages


1	NAME OF REPORTING PERSON Lubrizol Corp. Master Pension Trust
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Ohio
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER NONE
		6	SHARED VOTING POWER 150,000
		7	SOLE DISPOSITIVE POWER NONE
		8	SHARED DISPOSITIVE POWER 150,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 150,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.1%
12	TYPE OF REPORTING PERSON EP

13G


CUSIP No. 531229409		Page 17 of 22 Pages


1	NAME OF REPORTING PERSON R. Ted Weschler
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☒ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States Citizen
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER 285,834
		6	SHARED VOTING POWER 0
		7	SOLE DISPOSITIVE POWER 285,834
		8	SHARED DISPOSITIVE POWER 8,277
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 294,111
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ Not Applicable.
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.3%
12	TYPE OF REPORTING PERSON IN

Page 18 of 22 Pages

SCHEDULE 13G

Item 1.

(a)

Name of Issuer

LIBERTY MEDIA CORPORATION

(b)

Address of Issuer’s Principal Executive Offices

12300 Liberty Boulevard, Englewood, CO 80112

Item 2(a). Name of Person Filing:

Item 2(b). Address of Principal Business Office:

Item 2(c). Citizenship:


Warren E. Buffett 3555 Farnam Street Omaha, Nebraska 68131 United States Citizen		Berkshire Hathaway Inc. 3555 Farnam Street Omaha, Nebraska 68131 Delaware corporation

National Indemnity Company 3024 Harney Street Omaha, Nebraska 68131 Nebraska corporation		GEICO Corporation One GEICO Plaza Washington, DC 20076 Delaware corporation

Government Employees Insurance Company One GEICO Plaza Washington, DC 20076 Maryland corporation		National Fire & Marine Insurance Company 1314 Douglas Street Omaha, NE 68102 Nebraska corporation

GEICO Indemnity Company One GEICO Plaza Washington, DC 20076 Maryland corporation		Fruit of the Loom Pension Trust c/o Fruit of the Loom 1 Fruit of the Loom Drive Bowling Green, KY 42102 Kentucky

Berkshire Hathaway Consolidated Pension Plan c/o Berkshire Hathaway Inc. 3555 Farnam Street Omaha, NE 68131 Nebraska		Lubrizol Corp. Master Trust Pension c/o The Lubrizol Corporation 29400 Lakeland Boulevard Wickliffe, OH 44092 Ohio

GEICO Corporation Pension Plan Trust c/o GEICO Corporation 1 Geico Plaza Washington, DC 20076 Maryland		Johns Manville Corporation Master Pension Trust c/o Johns Manville Corporation 717 17^th Street Denver, CO 80202 Colorado

Page 19 of 22 Pages



BNSF Master Retirement Trust c/o BNSF Railway Company 2650 Lou Menk Drive Fort Worth, TX 76131 Texas		R. Ted Weschler 404 East Main Street Charlottesville, VA 22902 United States Citizen

Precision Castparts Corp. Master Trust c/o Precision Castparts Corporation 4650 SW Macadam Ave Portland, OR 97239		General Re Corp. Employee Retirement Trust c/o General Re Corporation 120 Long Ridge Road Stamford, CT 06902 Connecticut


			Page 20 of 22 Pages

(d) Title of Class of Securities

Class A Common Stock

(e) CUSIP Number

531229409

Item 3. If this statement is filed pursuant to § 240.13d-1(b), or § 240.13d-2(b) or (c), check whether the person filing is a:

Warren E. Buffett (an individual who may be deemed to control Berkshire Hathaway Inc.), Berkshire Hathaway Inc. and GEICO Corporation are each a Parent Holding Company or Control Person, in accordance with § 240.13d-1(b)(1)(ii)(G).

National Indemnity Company, Government Employees Insurance Company, GEICO Indemnity Company, GEICO Advantage Insurance Company and National Fire & Marine Insurance Company are each an Insurance Company as defined in section 3(a)(19) of the Act.

Berkshire Hathaway Consolidated Pension Plan, GEICO Corporation Pension Plan Trust, Johns Manville Corporation Master Pension Trust, BNSF Master Retirement Trust, General Re Corp. Employee Retirement Trust, Lubrizol Corp. Master Trust Pension and Precision Castparts Corp Master Trust are each an Employee Benefit Plan in accordance with § 240.13d-1(b)(1)(ii)(F).

Item 4. Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially Owned

See the Cover Pages for each of the Reporting Persons.

(b) Percent of Class

See the Cover Pages for each of the Reporting Persons.

(c) Number of shares as to which such person has:

(i) sole power to vote or to direct the vote

(ii) shared power to vote or to direct the vote

(iii) sole power to dispose or to direct the disposition of

(iv) shared power to dispose or to direct the disposition of

See the Cover Pages for each of the Reporting Persons.

Item 5. Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5% of the class of securities, check the following ☒.


			Page 21 of 22 Pages

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Not Applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

See Exhibit A.

Item 8. Identification and Classification of Members of the Group.

See Exhibit A.

Item 9. Notice of Dissolution of Group.

Not Applicable.


			Page 22 of 22 Pages

Item 10. Certification.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated this 14^th day of February, 2018


/s/ Warren E. Buffett
Warren E. Buffett

BERKSHIRE HATHAWAY INC.

By:		/s/ Warren E. Buffett
		Warren E. Buffett
		Chairman of the Board

NATIONAL INDEMNITY COMPANY, GEICO CORPORATION, GOVERNMENT EMPLOYEES INSURANCE COMPANY, GEICO INDEMNITY COMPANY, NATIONAL FIRE & MARINE INSURANCE COMPANY, FLIGHTSAFETY INTERNATIONAL INC. RETIREMENT INCOME PLAN, FRUIT OF THE LOOM PENSION TRUST, GEICO CORPORATION PENSION PLAN TRUST, JOHNS MANVILLE CORPORATION MASTER PENSION TRUST, BNSF MASTER RETIREMENT TRUST, GENERAL RE CORP. EMPLOYEE RETIREMENT TRUST, LUBRIZOL CORP. MASTER TRUST PENSION AND PRECISION CASTPARTS CORP. MASTER TRUST

By:		/s/ Warren E. Buffett
		Warren E. Buffett Attorney-in-Fact

By:		/s/ R. Ted Weschler
		R. Ted Weschler

SCHEDULE 13G

EXHIBIT A

RELEVANT SUBSIDIARIES AND MEMBERS OF FILING GROUP

PARENT HOLDING COMPANIES OR CONTROL PERSONS:

Warren E. Buffett (an individual who may be deemed to control Berkshire Hathaway Inc.)

Berkshire Hathaway Inc.

GEICO Corporation

INSURANCE COMPANIES AS DEFINED IN SECTION 3(a)(19) OF THE ACT:

National Indemnity Company

Government Employees Insurance Company

GEICO Indemnity Company

National Fire & Marine Insurance Company

EMPLOYEE BENEFIT PLANS IN ACCORDANCE WITH § 240.13d-1-(b)(1)(ii)(F)

FlightSafety International Inc. Retirement Income Plan

Fruit of the Loom Pension Trust

GEICO Corporation Pension Plan Trust

Johns Manville Corporation Master Pension Trust

BNSF Master Retirement Trust

General Re Corp. Employee Retirement Trust

Lubrizol Corp. Master Trust Pension

Precision Castparts Corp. Master Trust

OTHER MEMBER OF FILING GROUP

R. Ted Weschler

SCHEDULE 13G

EXHIBIT B

JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)

The undersigned persons hereby agree that reports on Schedule 13G, and amendments thereto, with respect to the Series A SiriusXM Common Stock of Liberty Media Corporation may be filed in a single statement on behalf of each of such persons, and further, each of such persons designates Warren E. Buffett as its agent and Attorney-in-Fact for the purpose of executing any and all Schedule 13G filings required to be made by it with the Securities and Exchange Commission.


Dated: February 14, 2018		/S/ Warren E. Buffett
		Warren E. Buffett

		Berkshire Hathaway Inc.

Dated: February 14, 2018		/S/ Warren E. Buffett
		By: Warren E. Buffett Title: Chairman of the Board

		National Indemnity Company

Dated: February 14, 2018		/S/ Marc D. Hamburg
		By: Marc D. Hamburg Title: Chairman of the Board

		GEICO Corporation

Dated: February 14, 2018		/S/ William E. Roberts
		By: William E. Roberts Title: President

		Government Employees Insurance Company

Dated: February 14, 2018		/S/ William E. Roberts
		By: William E. Roberts Title: President



		Berkshire Hathaway Consolidated Pension Plan

Dated: February 14, 2018		/S/ Mark D. Millard
		By: Mark D. Millard Title: Vice President Berkshire Hathaway Inc.

		National Fire & Marine Insurance Company

Dated: February 14, 2018		/S/ Marc D. Hamburg
		By: Marc D. Hamburg Title: Chairman of the Board

		GEICO Indemnity Company

Dated: February 14, 2018		/S/ William E. Roberts
		By: William E. Roberts Title: President

		GEICO Corporation Pension Plan Trust


Dated: February 14, 2018		/S/ William E. Roberts
		By: William E. Roberts Title: President, GEICO Corporation

		Johns Manville Corporation Master Pension Plan

Dated: February 14, 2018		/S/ Mary Rhinehart
		By: Mary Rhinehart Title: President and Chief Executive Officer Johns Manville Corporation

		BNSF Master Retirement Trust

Dated: February 14, 2018		/S/ Julie Piggott
		By: Julie Piggott Title: Vice President, Burlington Northern Santa Fe, LLC

		Precision Castparts Corp.

Dated: February 14, 2018		/S/ Shawn Hagel
		By: Shawn Hagel Title: Executive Vice President, Precision Castparts Corp.


		General Re Corp. Employee Retirement Trust

Dated: February 14, 2018		/S/ Kara Raiguel
		By: Kara Raiguel Title: President, General Re Corporation

		Lubrizol Corp. Master Trust Pension

Dated: February 14, 2018		/S/ Brian Valentine
		By: Brian Valentine Title: Senior Vice President, The Lubrizol Corporation


		GEICO Advantage Insurance Company

Dated: February 14, 2018		/S/ William E. Roberts
		By: William E. Roberts Title: President

Dated: February 14, 2018		/s/ R. Ted Weschler
		R. Ted Weschler