Instrument NameBerkshire Hathaway Cl AInstrument Symbol(BRK-A-N)

Instrument ExchangeNYSE

Berkshire Hathaway Inc. is a holding company owning subsidiaries engaged in a number of diverse business activities. The most important of these are insurance businesses conducted nationwide on a primary basis and worldwide on a reinsurance basis. Berkshire also owns and operates a number of other businesses engaged in a variety of activities, as identified herein.