13D Filing: Berkshire Hathaway and USG Corp (USG)

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CUSIP NO. 903293 40 5 SCHEDULE 13D/A PAGE
11
OF 11 PAGES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth
in this Statement on Schedule 13D is true, complete, and correct.

Dated: March 26, 2018

WARREN E. BUFFETT
By:

/s/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Attorney-In-Fact
BERKSHIRE HATHAWAY INC.
By:

/s/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Senior Vice President
NATIONAL INDEMNITY COMPANY
By:

/s/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Attorney-In-Fact
BERKSHIRE HATHAWAY LIFE INSURANCE COMPANY OF NEBRASKA
By:

/s/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Attorney-In-Fact
BERKSHIRE HATHAWAY ASSURANCE CORPORATION
By:

/s/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Attorney-In-Fact
GENERAL RE CORPORATION
By:

/s/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Attorney-In-Fact
GENERAL REINSURANCE CORPORATION
By:

/s/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Attorney-In-Fact
GENERAL RE LIFE CORPORATION
By:

/S/ MARC D. HAMBURG

Name: Marc D. Hamburg
Title: Attorney-In-Fact

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