Berkshire Hathaway Succession & Conglomerate Valuation Workbench

Official Transition Statement Omaha, NE — September 18, 2026

Warren E. Buffett has officially transitioned to Chairman Emeritus of Berkshire Hathaway after 61 years at the helm of the $1 trillion enterprise. Longtime director Howard G. Buffett (board member since 1993) has been elected Chairman to preserve enterprise culture, while CEO Greg Abel retains direct operational governance and capital allocation authority.

Enterprise SOTP Value B$

Total SOTP Value

1,042.5B$

Calculated across 5 operating segments

Per Class A Share USD

Implied Share Price

Based on 1,457,186 equivalent Class A shares

Net Underwriting Spread B$ / yr

Float Earnings Power

11.83B$

Float earning power on negative cost float

Continuity Index 0 - 100

Governance Stability Score

94/100

Dual Howard (Culture) & Abel (Ops) structure

Operating & Capital Allocation Assumptions

Calibrate core balance sheet levers to test enterprise sensitivity

PRESETS:

Insurance Float P&C, GEICO & Reinsurance deployable reserves

169 B$

Float Cost Rate (%) Negative implies underwriting profit over claims

-2.0%

BNSF Railroad Operating Ratio (%) Operating expenses as % of total rail revenues

64.5%

BHE Energy Annual Capex Renewables, transmission & regulated utility reinvestment

15.0 B$

Equity Portfolio Value Marketable securities (Apple, AmEx, BofA, Coca-Cola)

350 B$

Operating Cash Reinvestment Rate Fraction of non-insurance operating earnings redeployed

65%

Conglomerate Capital Pooling Optimization

Enable Greg Abel's centralized cash repatriation protocol

Leadership Continuity & Governance

Chairman Emeritus Framework (Effective September 2026)

Chairman Emeritus

Warren E. Buffett

Board Member & Emeritus Advisor

Chairman of the Board

Howard G. Buffett

Director since 1993 (Culture Guardian)

Chief Executive Officer

Greg Abel

Operational Commander & Capital Allocator

Lead Independent Director

Susan L. Decker

Independent Governance Oversight

Succession Covenant: Buffett’s shareholder letter highlights that Howard Buffett serves as an internal policy guardian to preserve the shareholder-first culture, while Greg Abel retains full autonomous authority over operating subsidiaries and capital redeployment.

Sum-of-the-Parts (SOTP) Breakdown

Fair-value estimation across discrete conglomerate pillars

Operating Division	Valuation Basis	Value (B$)	% Share
Insurance & Reinsurance	Float + Underwriting Multiple	225.0	21.6%
BNSF Railway	15.0x Adj. Operating Earnings	145.0	13.9%
BHE Energy & Utilities	Regulated Rate Base Multiple	112.5	10.8%
Manufacturing, Service & Retail	Cash Flow Multiple (Marmon, Lubrizol, etc.)	210.0	20.1%
Equity Portfolio & Cash	Market Value + Cash Holdings	350.0	33.6%
Total Implied Conglomerate Value	Aggregated SOTP Equity Value	1,042.5	100.0%

Segment Asset Weighting

Real-time allocation

Primary Corporate Disclosures & Model Methodology

Data modeled from Berkshire Hathaway Inc.’s official September 18, 2026 press release and shareholder transition letter announcing Warren E. Buffett’s transition to Chairman Emeritus. Share count calibration is based on 1,457,186 equivalent Class A shares. Insurance float benefits reflect historical negative underwriting cost averages since 1967.