IBM International Business Machines Corp

13G

13G

13G

SCHEDULE 13G

International Business Machines Corporation

1 New Orchard Road, Armonk, NY 10504

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

1314 Douglas Street

Omaha, Nebraska 68102

Nebraska corporation

(d) Title of Class of Securities:

Common Stock

(e) CUSIP Number:

459200101

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

National Indemnity Company is an Insurance Company as defined in section 3(a)(19) of the Act.

The Reporting Persons together are a Group in accordance with §240.13d-1(b)(1)(ii)(K).

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

See the Cover Pages for each of the Reporting Persons.

See the Cover Pages for each of the Reporting Persons.

(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 .

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 percent of the class of securities, check the following ☒.

Not Applicable.

See Exhibit A.

See Exhibit A.

Not Applicable.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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.

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.

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

National Indemnity Company

SCHEDULE 13G

EXHIBIT B

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

AND POWER OF ATTORNEY

The undersigned persons agree and consent to the joint filing on their behalf of Schedule 13G and all amendments thereto in connection with their beneficial ownership of the Common Stock of International Business Machines Corporation.

Each person other than Warren E. Buffett whose signature appears below hereby constitutes and appoints Warren E. Buffett as his true and lawful attorney-in-fact and agent with full power of substitution and resubstitution, to act for him and in his name, place and stead, in any and all capacities, to sign a Schedule 13G and any or all amendments to Schedule 13G in connection with the beneficial ownership of the Common Stock of International Business Machines Corporation, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitute may lawfully do or cause to be done by virtue hereof.