SECTION 16 OF THE
SECURITIES EXCHANGE ACT OF 1934

POWER OF ATTORNEY


KNOW ALL MEN BY THESE PRESENTS THAT I, Vincenzo J. Vena,
Chief Operating Officer of Union Pacific Railroad Company,
a Delaware corporation and Union Pacific Corporation,
a Utah corporation (the "Company"), do hereby appoint Rhonda S.
Ferguson, John A. Menicucci, Jr., Trevor L. Kingston and Nicole
M. Deardorff, 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 an
officer of the Company, any and all Forms 3, 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's parent company,
Union Pacific Corporation, a Utah corporation, 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 an 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
January 8, 2019.


/s/ Vincenzo J. Vena
__________________________________
Vincenzo J. Vena