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SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940 		 
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
DUFFY DENNIS J
(Last) (First) (Middle)
1400 DOUGLAS STREET
(Street)
OMAHA NE 68179
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
UNION PACIFIC CORP [ UNP ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
EVP OPRN
3. Date of Earliest Transaction (Month/Day/Year)
11/28/2005
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 11/28/2005 M 41,675 A $61.14 146,839.1147 D
Common Stock 11/28/2005 F 33,155 D $76.85 113,684.1147 D
Common Stock 11/28/2005 F 3,733 D $76.85 109,951.1147 D
Common Stock(1) 25,852.26 I (1)
Common Stock 0 I by Managed Account
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) $61.14 11/28/2005 M 41,675 01/31/2003 01/31/2012 Common Stock 41,675 $0 8,325 D
Non-Qualified Stock Option (right to buy)(2) $77.12 11/28/2005 A 36,888 11/28/2005 01/31/2012 Common Stock 36,888 $0 36,888 D
Explanation of Responses:
1. Represents conversion of restricted stock units to fully vested stock units with a distribution ratio of 1:1 - Payable only in shares of common stock at termination of employment or a date certain.
2. Option granted pursuant to an agreement with a reload feature, which provides for a reload option grant if, at the time of exercise, the exercise price for a stock-for-stock exercise is twenty percent (20%) or greater than the option price of the original option on the grant date.
By: Michael M. Hemenway, Attorney-in-Fact For: Dennis J. Duffy 11/29/2005
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
SECTION 16 OF THE
SECURITIES EXCHANGE ACT OF 1934

POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS THAT I, Dennis J. Duffy,
Executive Vice President-Operation of Union Pacific Corporation,
a Utah corporation (the "Company"),do hereby appoint
Barbara W. Schaefer, Thomas E. Whitaker, Michael M. Hemenway
and Trevor L. Kingston, and each of them acting individually,
as my true and lawful attorney-in-fact, each with power to act
without the other in full power of substitution, to execute,
deliver and file, for and on my behalf, and in my name
and in my capacity as a officer of Union Pacific Corporation,
any and all Forms 4 or Forms 5 under Section 16 of the
Securities Exchange Act of 1934 and the rules and
interpretations promulgated thereunder, and any other
documents in support thereof or supplemental or
amendatory thereto, with respect to the ownership by
or attributable to me, directly or indirectly, of equity
securities of the Company, or derivative securities
relating thereto, hereby granting to such attorneys
and each of them full power and authority to do and
perform each and every act and thing whatsoever as
such attorney or attorneys may deem necessary or
advisable to carry out fully the intent of the foregoing
as I might or could do personally or in my capacity as a
officer, hereby ratifying and confirming all acts and
things which such attorney or attorneys may do or cause
to be done by virtue of this Power of Attorney.

IN WITNESS WHEREOF, I have executed this Power of
Attorney as of July 1, 2005.



__________________________________
Dennis J. Duffy