UnitedHealth Group
Acquisition	Date	Stock Price	Stock Exchange Ratio
PacifiCare Health Systems, Inc.	12/20/2005	$63.06	1.10 UnitedHealth Group plus $21.50 cash to 1 PacifiCare Health Systems, Inc. Tax Treatment Examples Material U.S. Federal Income Tax Consequences of the Merger
Oxford Health Plans, Inc.	07/29/2004	$32.00	.6357 UnitedHealth Group plus $16.17 cash to 1 Oxford Health Plans, Inc. Tax Treatment Examples Material U.S. Federal Income Tax Consequences of the Merger
Mid Atlantic Medical Services, Inc.	02/10/2004	$30.00	.82 UnitedHealth Group plus $18.00 cash to 1 Mid Atlantic Medical Services, Inc. Tax Treatment Examples
Virginia's Physician Network Inc.	03/07/2001	$15.12*	.13916 UnitedHealth Group to 1 Virginia's Physician Network Inc.**
Lifemark Corporation	02/09/2001	$15.47*	.18672 UnitedHealth Group to 1 Lifemark Corporation**
FHP International	02/14/1997	Class A; $79.00 Class B; $83.75	0.056 PacifiCare Class A common stock plus 0.176 PacifiCare Class B common stock to 1 FHP International. PacifiCare later combined its two classes of common stock into one, and the shares then subsequently split two for one.
Healthwise of America Inc.	04/12/1996	$7.57*	.6475 UnitedHealth Group to 1 Healthwise of America Inc.**
Surgical Care Affiliates	--	--	.10 Healthwise of America to 1 Surgical Care Affiliates
HMO America	08/31/1993	$3.70*	.64 UnitedHealth Group to 1 HMO America for both common and preferred.**

*split adjusted
**Original ratio at time of acquisition. Subsequent UNH stock splits could change the number of UNH shares held.

     

UnitedHealth Group Stock Split History
Stock Split Ratio	Ownership Record Date
2:1	September 1, 1992
2:1	February 22, 1994
2:1	December 1, 2000
2:1	June 2, 2003
2:1	May 20, 2005