Company: BRK-A
Filing Date: 2025-11-06
Form Type: 424B5
Source: 0001193125-25-267653
Chunk: 47

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-11-06
Form: 424B5
Chunk 47
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 this prospectus supplement and the accompanying prospectus or their contents. The notes are not being offered to the public in the UK. In addition, each underwriter has represented and agreed in the underwriting agreement that it:

| • |     | has only communicated or caused to be communicated and will only communicate or cause to be communicated an                                                                                                                                     
 invitation or inducement to engage in investment activity (within the meaning of Section 21 of the FSMA) received by it in connection with the issue or sale of the notes in circumstances in which Section 21(1) of the FSMA does not apply to 
 us; and                                                                                                                                                                                                                                         |

| • |     | has complied and will comply with all applicable provisions of the FSMA with respect to anything done by it in 
 relation to the notes in, from or otherwise involving the UK.                                                  |

Japan The notes have not been and will not be registered under the FIEL and, accordingly, have not been offered or sold and will not be offered or sold, directly or indirectly, in Japan or to, or for the benefit of, a resident of S-29

Japan (which term as used herein means any person resident in Japan, including any corporation or other entity organized under the laws of Japan), or to others for reoffering or resale, directly
or indirectly, in Japan or to, or for the benefit of, any resident of Japan, except through a solicitation constituting a solicitation targeting QIIs, which will be exempt from the registration requirements of the FIEL, and otherwise in compliance
with, the FIEL and any other applicable laws, regulations and ministerial guidelines of Japan in effect at the relevant time.

Hong Kong

No underwriter nor any of their affiliates (i) have offered or sold, or will offer or sell, in Hong Kong, by means of any
document, our notes other than (a) to “professional investors” as defined in the Securities and Futures Ordinance (Cap. 571) of Hong Kong and any rules made under that Ordinance or (b) in other circumstances which do not result
in the document being a “prospectus” as defined in the Companies Ordinance (Cap. 32) of Hong Kong or which do not constitute an offer to the public within the meaning of that Ordinance or (ii) have issued or had in its possession
for the purposes of issue, or will issue or have in its possession for the purposes of issue, whether in Hong Kong or elsewhere,