About This Deal

JPMorgan Chase & Co acquired Bank One Corporation for All-stock merger — 1.32 JPMorgan Chase shares exchanged for each Bank One share; the combination created a firm with roughly $1.1 trillion in assets and about $130 billion in combined market capitalization, a transaction completed in July 2004, structured as all stock. The deal was a Merger.

Bank One Corporation operates in Consumer & retail banking, is based in Chicago, Illinois, USA. JPMorgan Chase agreed to merge with Chicago-based Bank One in a stock-for-stock deal that created the second-largest U.S. banking franchise by core deposits, with about 2,300 branches across seventeen states and top-tier positions in retail banking, credit cards, investment banking and asset management. The companies projected roughly $2.2 billion of pre-tax cost savings over three years. William Harrison became chairman and CEO and Bank One's Jamie Dimon became president and COO, positioning Dimon to succeed to the top job.

A balanced business mix combining JPMorgan Chase's wholesale strength with Bank One's consumer and card franchise, adding scale and geographic reach.

About $2.2 billion of expected pre-tax cost savings over three years Retail Financial Services business headquartered in Chicago; corporation headquartered in New York

Deal Terms

Acquirer
JPMorgan Chase & Co
Target
Bank One Corporation
Value
All-stock merger — 1.32 JPMorgan Chase shares exchanged for each Bank One share; the combination created a firm with roughly $1.1 trillion in assets and about $130 billion in combined market capitalization
Date
July 2004
Type
Merger
Status
Ready

Transaction Details

Target HQ
Chicago, Illinois, USA
Segment
Consumer & retail banking
Structure
All stock
Announced
January 14, 2004
Closed
July 1, 2004
Synergies
About $2.2 billion of expected pre-tax cost savings over three years

In Their Words

This landmark transaction will create one of the world's great financial services companies.William B. Harrison, Chairman and CEO, JPMorgan Chase
The merger of Bank One and JPMorgan Chase makes tremendous sense strategically.James Dimon, Chairman and CEO, Bank One

Advisors

Advisory firms were not disclosed for this transaction.

Related Deals & Entities

Sources: Press release ↗ · SEC filing ↗ · Last updated July 14, 2026

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