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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
100885	Union Pacific Corp	UNP	Railroads, Line-Haul Operating (4011)	132626465

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1192053	W Archie Dunham	1400 Douglas Street Omaha NE 68179		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-10-27	5,900	$30.57	8,290	No	4	M	Direct
Common Stock	Disposition	2011-10-27	5,900	$102.04	2,390	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2011-10-27	5,900	$0.00	5,900	$30.57

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2003-01-31	2012-01-31	No	4	M	Direct

Footnotes

Exercised stock options were scheduled to expire on January 31, 2012.
This transaction was executed in multiple trades at prices ranging from $102.0400 to $102.0410. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Includes shares acquired through dividend reinvestment.