Company:  BERKSHIRE HATHAWAY INC (BRK'A)
Form Type:  DEF 14A
Filing Date:  3/16/2012 
CIK:  0001067983 
Address:  3555 FARNAM STREET 
City, State, Zip:  OMAHA, Nebraska 68131 
Telephone:  (402) 346-1400 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$169,400.00  
Change: 
2097.00 (1.25%)  
Trade Time: 
May 17  
Market Cap: 
$150.94B
Description of Business
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  FORM DEF 14A
    NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
    PROXY STATEMENT
    Director Compensation
    Security Ownership of Certain Beneficial Owners and Management
      BENEFICIAL OWNERS
      COMPENSATION TABLE
    Advisory Vote on Executive Compensation
    Governance, Compensation and Nominating Committee Report
    Report of the Audit Committee
    2. SHAREHOLDER PROPOSAL
    3. OTHER MATTERS
    Annual Report
    Proposals of Shareholders
    This Proxy is Solicited on Behalf of the Board of Directors