| Explanation of Responses: |
| (1) | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $35.7400 to $36.6775. The Reporting Persons undertake to provide HP Inc. ("HP"), any security holder of HP, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 1 to this Form 4. |
| (2) | The shares of the issuer's common stock reported on this form are held by Berkshire Hathaway Inc. ("Berkshire") indirectly through the following Berkshire subsidiaries: AmGUARD Insurance Company (437,700), Berkshire Hathaway Homestate Insurance Company (5,850,000), Berkshire Hathaway Specialty Insurance Company (9,738,500), Columbia Insurance Company (26,843,350), Cypress Insurance Company (3,444,000), EastGUARD Insurance Company (291,800), Government Employees Insurance Company (9,743,500), GEICO Advantage Insurance Company (6,011,600), GEICO Casualty Company (5,894,000), GEICO Choice Insurance Company (2,799,000), GEICO Marine Insurance Company (374,500), GEICO Secure Insurance Company (3,017,700), General Reinsurance Corporation (16,337,183), Genesis Insurance Corporation (139,600), Medical Protective Company (7,933,000), MLMIC Insurance Company (2,111,800), National Indemnity Company (10,108,185), NorGUARD Insurance Company (1,313,100), Oak River Insurance Company (1,668,000), |
| (3) | (Continued from footnote 2) Old United Casualty Company (539,400), Old United Life Insurance Company (135,000), Princeton Insurance Company (1,068,000), Redwood Fire and Casualty Insurance Company (3,875,000), U.S. Underwriters Insurance Company (111,700), and WestGUARD Insurance Company (1,167,200). |
| (4) | As Berkshire is in the chain of ownership of each subsidiary listed, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by such 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, the shares presently owned by each of these subsidiaries. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. In addition, in order to avoid double counting, all shares reported as being owned by each subsidiary listed only reflect shares that are owned directly by such subsidiary, |
| (5) | (Continued from footnote 4) and do not reflect any shares that such subsidiary may be deemed to beneficially own by virtue of ownership or control of any other subsidiary otherwise reported on this form. |
| (6) | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $35.8300 to $36.6400. The Reporting Persons undertake to provide HP, any security holder of HP, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 6 to this Form 4. |
| (7) | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $34.4650 to $35.4625. The Reporting Persons undertake to provide HP, any security holder of HP, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 7 to this Form 4. |
| (8) | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $35.4650 to $35.7400. The Reporting Persons undertake to provide HP, any security holder of HP, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 8 to this Form 4. |