Form 10-K - Union Pacific

As of December 31, 2010, the pension plan assets measured at fair value on a recurring basis were as
follows:
Quoted Prices Significant
in Active Other Significant
Markets for Observable Unobservable
Identical Inputs Inputs Inputs
Millions (Level 1) (Level 2) (Level 3) Total
Plan assets:
Temporary cash investments $ 23 $ - $ - $ 23
Registered investment companies 9 259 - 268
U.S. government securities - 142 - 142
Corporate bonds & debentures - 311 - 311
Corporate stock 573 7 - 580
Venture capital and buyout partnerships - - 169 169
Real estate partnerships and funds - - 99 99
Common trust and other funds - 776 - 776
Other investments - 29 - 29
Total plan assets at fair value $ 605 $ 1,524 $ 268 2,397
Other assets [a] 7
Total plan assets $ 2,404
[a] Other assets include accrued receivables and pending broker settlements.
For the years ended December 31, 2011 and 2010, there were no significant transfers in or out of Levels
1, 2, or 3.
The following table presents a reconciliation of the beginning and ending balances of the fair value
measurements using significant unobservable inputs (Level 3 investments) during 2011:
Venture Capital Real Estate
and Buyout Partnerships
Millions Partnerships and Funds Total
Beginning balance - January 1, 2011 $ 169 $ 99 $ 268
Realized gain/(loss) 8 (1) 7
Unrealized gain 13 16 29
Purchases 22 27 49
Sales (28) (15) (43)
Ending balance - December 31, 2011 $ 184 $ 126 $ 310
The following table presents a reconciliation of the beginning and ending balances of the fair value
measurements using significant unobservable inputs (Level 3 investments) during 2010:
Venture Capital Real Estate
and Buyout Partnerships
Millions Partnerships and Funds Total
Beginning balance - January 1, 2010 $ 142 $ 78 $ 220
Realized gain 3 1 4
Unrealized gain 21 10 31
Purchases 18 18 36
Sales (15) (8) (23)
Ending balance - December 31, 2010 $ 169 $ 99 $ 268
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