Company: BRK-A
Filing Date: 2025-11-06
Form Type: 424B5
Source: 0001193125-25-267653
Chunk: 41

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-11-06
Form: 424B5
Chunk 41
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 an underwriting agreement with Mizuho Securities USA LLC and Merrill Lynch International with respect to the notes. Subject to certain conditions, we have agreed to sell to each underwriter and each underwriter named below has severally agreed to purchase from us the principal amount of the notes that appears opposite its name in the table below.

|                             |     | Principal amount 
 of  % Senior     
 Notes due        |     | Principal amount 
 of  % Senior     
 Notes due        |     | Principal amount 
 of  % Senior     
 Notes due        |
| Mizuho Securities USA LLC   |     |                  |     |                  |     |                  |
| Merrill Lynch International |     |                  |     |                  |     |                  |
| Total                       |     | ¥                |     | ¥                |     | ¥                |

The underwriters have agreed to purchase all of the notes if any of them are purchased. The underwriting agreement provides that the obligations of the underwriters to purchase the notes included in this offering are subject to, among other customary conditions, the delivery of certain legal opinions by their counsel. The underwriting agreement also provides that if an underwriter defaults, the purchase commitments of non-defaultingunderwriters may also be increased or the offering may be terminated. The underwriters initially propose to offer the notes to the public at the public offering price that appears on the cover page of this prospectus supplement. The underwriters may offer the notes to selected dealers at the public offering price minus a concession of up to (i) % of the principal amount of the % Senior Notes due ; (ii) % of the principal amount of the % Senior Notes due ; and (iii) % of the principal amount of the % Senior Notes due . In addition, the underwriters may allow, and those selected dealers may reallow, a concession of up to (i) % of the principal amount of the % Senior Notes due ; (ii) % of the principal amount of the % Senior Notes due ; and (iii) % of the principal amount of the % Senior Notes due to certain other dealers. After the initial offering, the underwriters may change the public offering price and any other selling terms. The underwriters may offer and sell notes through certain of their affiliates. The offering of the notes by the underwriters is subject to receipt and acceptance and subject to the underwriters’ right to reject any order in whole or in part. In the underwriting agreement, we have agreed that,