Obbligazione Union Pacific Railroad 4% ( US907818EN49 ) in USD

Union Pacific Railroad

100 USD ▲

Stati Uniti

US907818EN49 ( in USD )

4% per anno ( pagato 2 volte l'anno)

15/04/2047

Prospetto opuscolo dell'obbligazione Union Pacific US907818EN49 en USD 4%, scadenza 15/04/2047

1 000 USD

500 000 000 USD

907818EN4

A- ( Upper medium grade - Investment-grade )

A3 ( Upper medium grade - Investment-grade )

15/10/2025 ( In 159 giorni )

Union Pacific è una delle principali compagnie ferroviarie statunitensi, operante nel trasporto merci su una vasta rete nel West americano.

The Obbligazione issued by Union Pacific Railroad ( United States ) , in USD, with the ISIN code US907818EN49, pays a coupon of 4% per year.
The coupons are paid 2 times per year and the Obbligazione maturity is 15/04/2047

The Obbligazione issued by Union Pacific Railroad ( United States ) , in USD, with the ISIN code US907818EN49, was rated A3 ( Upper medium grade - Investment-grade ) by Moody's credit rating agency.

The Obbligazione issued by Union Pacific Railroad ( United States ) , in USD, with the ISIN code US907818EN49, was rated A- ( Upper medium grade - Investment-grade ) by Standard & Poor's ( S&P ) credit rating agency.

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Table of Contents
CALCULATION OF REGISTRATION FEE

Amount
Maximum
Maximum
Title of Each Class of
to be
Offering Price
Aggregate
Amount of
Securities to be Registered

Registered

Per Unit

Offering Price
Registration Fee(1)
3.000% Notes due 2027

$500,000,000

98.608%

$493,040,000

$57,143
4.000% Notes due 2047

$500,000,000

98.655%

$493,275,000

$57,171
Total

$114,314

(1)
Calculated in accordance with Rule 457(r) under the Securities Act of 1933, as amended.
Table of Contents
Filed Pursuant to Rule 424(b)(5)
Registration No. 333-201958

Prospectus Supplement
(To Prospectus Dated February 9, 2015)
$1,000,000,000

$500,000,000 3.000% Notes due 2027
$500,000,000 4.000% Notes due 2047

We will pay interest on the 3.000% notes due 2027 (the "2027 notes") semi-annually in arrears on each April 15 and October 15,
commencing October 15, 2017. We will pay interest on the 4.000% notes due 2047 (the "2047 notes") semi-annually in arrears on each April 15
and October 15, commencing October 15, 2017. The 2027 notes will mature on April 15, 2027 and the 2047 notes will mature on April 15, 2047.
We use the term "notes" to refer to the 2027 notes and the 2047 notes, collectively.
We may redeem some or all of each series of notes at any time and from time to time at the applicable redemption prices described in this
prospectus supplement. There is no sinking fund for the notes. See "Description of the Notes" for a description of the terms of the notes.

Underwriting
Proceeds to the Company

Price to Public(1)

Discount

before expenses

Per 2027 Note

98.608%

0.650%

97.958%
Total

$
493,040,000
$ 3,250,000
$
489,790,000
Per 2047 Note

98.655%

0.875%

97.780%
Total

$
493,275,000
$ 4,375,000
$
488,900,000

(1)
Plus accrued interest, if any, from April 5, 2017.
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Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities
or determined if this prospectus supplement or the accompanying prospectus is truthful or complete. Any representation to the contrary is
a criminal offense.
Delivery of the notes, in book-entry form only through The Depository Trust Company, will be made on or about April 5, 2017.

Joint Book-Running Managers
BofA Merrill Lynch

Citigroup

J.P. Morgan

Morgan Stanley
Senior Co-Managers

Barclays

Credit Suisse
Co-Managers

MUFG
SunTrust Robinson Humphrey

US Bancorp
Wells Fargo Securities
BNY Mellon Capital Markets, LLC
Loop Capital Markets
Mizuho Securities

PNC Capital Markets LLC
The date of this prospectus supplement is March 29, 2017.
Table of Contents
We are solely responsible for the information contained in this prospectus supplement and the accompanying prospectus. We have not
authorized anyone to provide you with different information. We do not take responsibility for any other information that others may give you.
This prospectus supplement and the accompanying prospectus are not an offer to sell or a solicitation of an offer to buy the securities in any
jurisdiction or under any circumstances in which the offer or sale is unlawful. You should not assume that the information contained in this
prospectus supplement and the accompanying prospectus is accurate as of any date other than the date of this prospectus supplement or the date of
such information.
TABLE OF CONTENTS
Prospectus Supplement

THE COMPANY
S-1
USE OF PROCEEDS
S-2
RATIO OF EARNINGS TO FIXED CHARGES
S-2
DESCRIPTION OF THE NOTES
S-3
UNDERWRITING
S-8
LEGAL MATTERS
S-11
WHERE YOU CAN FIND MORE INFORMATION
S-12
EXPERTS
S-13
Prospectus

ABOUT THIS PROSPECTUS

1
CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS

2
THE COMPANY

2
RISK FACTORS

4
RATIO OF EARNINGS TO FIXED CHARGES

4
USE OF PROCEEDS

5
DESCRIPTION OF DEBT SECURITIES

5
DESCRIPTION OF PREFERRED STOCK

14
DESCRIPTION OF COMMON STOCK

18
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DESCRIPTION OF SECURITIES WARRANTS

20
PLAN OF DISTRIBUTION

21
LEGAL MATTERS

21
WHERE YOU CAN FIND MORE INFORMATION

21
INCORPORATION BY REFERENCE

22
EXPERTS

22
The terms "Union Pacific," "Company," "we," "us" and "our" used in this prospectus supplement refer to Union Pacific Corporation
(together with its subsidiaries) unless the context otherwise requires.

S-i
Table of Contents
THE COMPANY
Union Pacific Corporation owns Union Pacific Railroad Company, its principal operating subsidiary and one of America's most recognized
companies. Union Pacific Railroad Company links 23 states in the western two-thirds of the country by rail, providing a critical link in the global
supply chain. Union Pacific Railroad Company's diversified business mix includes Agricultural Products, Automotive, Chemicals, Coal, Industrial
Products and Intermodal. It offers competitive routes from all major West Coast and Gulf Coast ports to eastern gateways. Union Pacific Railroad
Company serves many of the fastest-growing U.S. population centers, operates from all major West Coast and Gulf Coast ports to eastern
gateways, connects with Canada's rail systems and is the only railroad serving all six major Mexico gateways.
Our executive offices are located at 1400 Douglas Street, Omaha, Nebraska 68179, and our telephone number is (402) 544-5000. We will,
upon request, provide without charge to each person to whom this prospectus supplement and the accompanying prospectus are delivered a copy of
any or all of the documents incorporated or deemed to be incorporated by reference into this prospectus supplement or the accompanying
prospectus (other than exhibits to such documents, unless such exhibits are specifically incorporated by reference into such documents). Written or
oral requests should be directed to: Union Pacific Corporation, 1400 Douglas Street, Omaha, Nebraska 68179, Attention: Corporate Secretary
(telephone (402) 544-5000).

S-1
Table of Contents
USE OF PROCEEDS
We expect to use the net proceeds from this offering for general corporate purposes, including the repurchase of common stock pursuant to
our share repurchase program.
RATIO OF EARNINGS TO FIXED CHARGES
The following table sets forth Union Pacific's ratio of earnings to fixed charges for the periods shown.

Year Ended December 31,

2012
2013
2014
2015
2016
Ratio of Earnings to Fixed Charges1
10.4x 11.8x 13.5x 11.6x 9.6x

1
The ratio of earnings to fixed charges has been computed on a consolidated basis. Earnings represent income from continuing operations, less
equity earnings net of distributions, plus fixed charges and income taxes. Fixed charges represent interest charges, amortization of debt
discount and the estimated amount representing the interest portion of rental charges.

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DESCRIPTION OF THE NOTES
The following description of the notes offered hereby supplements, and to the extent inconsistent therewith replaces, the description of the
general terms and provisions of the Debt Securities set forth in the accompanying prospectus, to which description reference is hereby made.
General
The 2027 notes are initially being offered in the principal amount of $500,000,000, will bear interest at 3.000% per annum, and will mature
on April 15, 2027. The 2047 notes are initially being offered in the principal amount of $500,000,000, will bear interest at 4.000% per annum, and
will mature on April 15, 2047. Interest on the 2027 notes will be payable semi-annually on April 15 and October 15 of each year, commencing on
October 15, 2017, to the persons in whose name the note is registered, subject to certain exceptions as provided in the indenture, at the close of
business on April 1 and October 1, as the case may be (whether or not a Business Day), immediately preceding such April 15 and October 15.
Interest on the 2047 notes will be payable semi-annually on April 15 and October 15 of each year, commencing on October 15, 2017, to the persons
in whose name the note is registered, subject to certain exceptions as provided in the indenture, at the close of business on April 1 and October 1,
as the case may be (whether or not a Business Day), immediately preceding such April 15 and October 15. We may, without the consent of the
holders, increase the principal amount of the notes of any or all series in the future, on the same respective terms and conditions (except for the
price to public, issue date and, if applicable, the initial interest payment date), and with the same respective CUSIP number, as the notes of the
related series being offered hereby. We will not issue any such additional notes unless the further notes trade interchangeably with the notes of the
related series being offered hereby for U.S. federal income tax purposes. Interest on the notes will be paid on the basis of a 360-day year consisting
of twelve 30-day months. The notes will be issued under an indenture dated as of April 1, 1999, between The Bank of New York Mellon Trust
Company, N.A., as successor to The Bank of New York Mellon (formerly known as The Bank of New York), as successor to JPMorgan Chase
Bank, N.A. (formerly The Chase Manhattan Bank), as Trustee, and us.
The notes are senior, unsecured securities and will rank on a parity with all of our other unsecured and unsubordinated indebtedness. As a
holding company, we have no material assets other than our ownership of the common stock of our subsidiaries. We will rely primarily upon
distributions and other amounts received from our subsidiaries to meet the payment obligations under the notes. Our subsidiaries are separate and
distinct legal entities and have no obligation, contingent or otherwise, to pay amounts due under the notes or otherwise to make any funds available
to us. This includes the payment of dividends or other distributions or the extension of loans or advances. Further, the ability of our subsidiaries to
make any payments to us would be dependent upon the terms of any credit facilities or other debt instruments of the subsidiaries and upon the
subsidiaries' earnings, which are subject to various business and other risks. In a bankruptcy or insolvency proceeding, claims of holders of the
notes would be satisfied solely from our equity interests in our subsidiaries remaining after the satisfaction of claims of creditors of the
subsidiaries. Accordingly, the notes will be effectively subordinated to existing and future liabilities of our subsidiaries to their respective
creditors.
Optional Redemption
At any time prior to January 15, 2027, in the case of the 2027 notes, and October 15, 2046, in the case of the 2047 notes, the notes of the
applicable series will be redeemable in whole or in part at any time and from time to time, at our option, at a redemption price equal to the greater
of (i) 100% of the principal amount of the notes to be redeemed and (ii) the sum of the present values of the remaining scheduled payments of
principal and interest on the notes to be redeemed that would be due if such series of notes matured on the Par Call Date (exclusive of interest
accrued to the date of redemption) discounted to the date of redemption on a semi-annual basis (assuming a 360 day year consisting of twelve
30-day months) at the then-current Treasury Rate, plus 15 basis points, in the case of the 2027 notes, and 20 basis points, in the case of the 2047
notes, plus, in any case, accrued and unpaid interest on the principal amount of such notes being redeemed to the date of redemption.

S-3
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At any time on or after January 15, 2027, in the case of the 2027 notes, and October 15, 2046, in the case of the 2047 notes, the notes of the
applicable series will be redeemable in whole or in part at any time and from time to time, at our option, at a redemption price equal to 100% of
the principal amount of the notes to be redeemed plus accrued and unpaid interest on the principal amount of such notes being redeemed to the date
of redemption.
"Treasury Rate" means, with respect to a series of notes, on any redemption date, the rate per annum equal to the semi-annual equivalent
yield to maturity of the related Comparable Treasury Issue, calculated using a price for that Comparable Treasury Issue (expressed as a percentage
of its principal amount) equal to the Comparable Treasury Price for such redemption date. The Treasury Rate shall be calculated on the third
Business Day preceding the redemption date.
"Business Day" means any calendar day that is not a Saturday, Sunday or legal holiday in New York, New York and on which banking
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institutions and trust companies are open for business in New York, New York.
"Comparable Treasury Issue" means the United States Treasury security selected by an Independent Investment Banker as having a maturity
comparable to the remaining term ("Remaining Life") of the applicable series of notes to be redeemed (assuming, for this purpose, that such series
of notes matured on the applicable Par Call Date) that would be utilized, at the time of selection and in accordance with customary financial
practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of such notes.
"Comparable Treasury Price" means, with respect to any redemption date, the average of the Reference Treasury Dealer Quotations for such
redemption date.
"Independent Investment Banker" means, each of Citigroup Global Markets Inc., J.P. Morgan Securities LLC, Merrill Lynch, Pierce, Fenner
& Smith Incorporated and Morgan Stanley & Co. LLC or their respective successors as appointed by us, or, if such firms are unwilling or unable to
select the Comparable Treasury Issue, an independent investment banking institution of national standing appointed by us.
"Par Call Date" means, with respect to the 2027 notes, January 15, 2027, the date that is three months prior to the maturity date of the 2027
notes; and, with respect to the 2047 notes, October 15, 2046, the date that is six months prior to the maturity date of the 2047 notes.
"Reference Treasury Dealer" means (a) each of Citigroup Global Markets Inc., J.P. Morgan Securities LLC, Merrill Lynch, Pierce, Fenner &
Smith Incorporated and Morgan Stanley & Co. LLC or their respective successors; provided, however, that if any of the foregoing is not at the time
a primary U.S. Government securities dealer in New York City (a "Primary Treasury Dealer"), we shall substitute therefor another Primary
Treasury Dealer; and (b) any other Primary Treasury Dealer selected by the Independent Investment Banker after consultation with us.
"Reference Treasury Dealer Quotations" means, with respect to each Reference Treasury Dealer and any redemption date, the average, as
determined by the Independent Investment Banker, of the bid and asked prices for the related Comparable Treasury Issue (expressed in each case
as a percentage of its principal amount) quoted in writing to the Independent Investment Banker by such Reference Treasury Dealer at 5:00 p.m.,
New York City time, on the third Business Day preceding such redemption date.
Notice of the redemption will be transmitted to holders of the notes to be redeemed at least 30 and not more than 60 days prior to the date
fixed for redemption. If we elect to redeem fewer than all of the notes of a series, in the case where the notes of a series are issued in definitive
form, the trustee will select, not more than 60 days prior to the redemption date for that series, the particular notes or portions thereof for
redemption from the outstanding notes of that series not previously called for redemption; or, in the case where the notes of a series are represented
by one or more global securities, beneficial interests in such notes will be selected for redemption by the applicable depositary in accordance with
its standard procedures therefor.

S-4
Table of Contents
Change of Control Repurchase Event
If a change of control repurchase event occurs with respect to a series of notes, unless we have exercised our right to redeem the notes of that
series as described above, we will be required to make an offer to each holder of those notes to repurchase all or any part (in integral multiples of
$1,000) of that holder's notes of the same series at a repurchase price in cash equal to 101% of the aggregate principal amount of the notes
repurchased plus any accrued and unpaid interest on the notes repurchased to, but not including, the date of repurchase. Within 30 days following a
change of control repurchase event with respect to a series of notes or, at our option, prior to a change of control, but after the public
announcement of the change of control, we will deliver a notice to each holder of the notes of such series, with a copy to the trustee, describing the
transaction or transactions that constitute or may constitute the change of control repurchase event and offering to repurchase the notes of that
series on the payment date specified in the notice, which date will be no earlier than 30 days and no later than 60 days from the date such notice is
sent. The notice shall, if sent prior to the date of consummation of the change of control, state that the offer to purchase is conditioned on a change
of control repurchase event occurring as to that series of notes on or prior to the payment date specified in the notice. We will comply with the
requirements of Rule 14e-1 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any other securities laws and
regulations thereunder to the extent those laws and regulations are applicable in connection with the repurchase of the notes as a result of a change
of control repurchase event. To the extent that the provisions of any securities laws or regulations conflict with the change of control repurchase
event provisions of the notes, we will comply with the applicable securities laws and regulations and will not be deemed to have breached our
obligations under the change of control repurchase event provisions of the notes by virtue of such conflict.
On the repurchase date following a change of control repurchase event with respect to a series of notes, we will, to the extent lawful:

(1)
accept for payment all notes or portions of notes of such series properly tendered pursuant to our offer;

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(2)
deposit with the trustee an amount equal to the aggregate purchase price in respect of all notes or portions of notes of such series

properly tendered; and

(3)
deliver or cause to be delivered to the trustee the notes of such series properly accepted, together with an officers' certificate stating the

aggregate principal amount of notes being purchased by us and that all conditions precedent provided for in the indenture to the
repurchase offer and to the repurchase by us of notes of such series pursuant to the repurchase offer have been complied with.
The trustee will promptly deliver to each holder of notes properly tendered the purchase price for the notes, and the trustee will promptly
authenticate and deliver (or cause to be transferred by book-entry) to each holder a new note of the same series equal in principal amount to any
unpurchased portion of any notes surrendered; provided that each new note will be in a principal amount of an integral multiple of $1,000.
We will not be required to make an offer to repurchase the notes of a series upon a change of control repurchase event with respect to such
series if a third party makes such an offer in the manner, at the times and otherwise in compliance with the requirements for an offer made by us
and such third party purchases all notes of such series properly tendered and not withdrawn under its offer.
For purposes of the foregoing discussion of a repurchase at the option of holders, the following definitions are applicable:
"below investment grade ratings event" means, with respect to a series of notes, on any day within the 60 day period (which period shall be
extended so long as the rating of that series of notes is under publicly announced consideration for a possible downgrade by any of the rating
agencies) after the earlier of (1) the occurrence of a change of control; or (2) public notice of the occurrence of a change of control or the intention
by Union Pacific to effect a change of control, that series of notes is rated below investment grade by each of the

S-5
Table of Contents
rating agencies. Notwithstanding the foregoing, a below investment grade ratings event otherwise arising by virtue of a particular reduction in
rating shall not be deemed to have occurred in respect of a particular change of control (and thus shall not be deemed a below investment grade
ratings event for purposes of the definition of change of control repurchase event hereunder) if the rating agencies making the reduction in rating to
which this definition would otherwise apply do not announce or publicly confirm or inform the trustee in writing at our request that the reduction
was the result, in whole or in part, of any event or circumstance comprised of or arising as a result of, or in respect of, the applicable change of
control (whether or not the applicable change of control shall have occurred at the time of the ratings event).
"change of control" means the consummation of any transaction (including, without limitation, any merger or consolidation) the result of
which is that any "person" or "group" (as those terms are used in Section 13(d)(3) of the Exchange Act), other than Union Pacific or our
subsidiaries, becomes the beneficial owner (as defined in Rules 13d-3 and 13d-5 under the Exchange Act), directly or indirectly, of more than 50%
of the combined voting power of our voting stock or other voting stock into which our voting stock is reclassified, consolidated, exchanged or
changed, measured by voting power rather than number of shares.
"change of control repurchase event" means, with respect to a series of notes, the occurrence of both a change of control and a below
investment grade ratings event.
"investment grade" means a rating of Baa3 or better by Moody's (or its equivalent under any successor rating categories of Moody's); a
rating of BBB- or better by S&P (or its equivalent under any successor rating categories of S&P); and the equivalent investment grade credit rating
from any additional rating agency or rating agencies selected by us.
"Moody's" means Moody's Investors Service, Inc. and its successors.
"rating agency" means (1) each of Moody's and S&P; and (2) if either of Moody's or S&P ceases to rate a series of notes or fails to make a
rating of those notes publicly available for reasons outside of our control, a "nationally recognized statistical rating organization" within the
meaning of Rule 15c3-1(c)(2)(vi)(F) under the Exchange Act, selected by us (as certified by a resolution of our board of directors) as a replacement
agency for Moody's or S&P, or both of them, as the case may be.
"S&P" means Standard & Poor's Ratings Services, a division of McGraw-Hill, Inc., and its successors.
"voting stock" of any specified "person" (as that term is used in Section 13(d)(3) of the Exchange Act) as of any date means the capital stock
of such person that is at the time entitled to vote generally in the election of the board of directors of such person.
The change of control repurchase event feature of the notes may in certain circumstances make more difficult or discourage a sale or takeover
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of Union Pacific and, thus, the removal of incumbent management. We could, in the future, enter into certain transactions, including asset sales,
acquisitions, refinancings or other recapitalizations, that would not constitute a change of control repurchase event under the notes, but that could
increase the amount of indebtedness outstanding at such time or otherwise affect our capital structure or credit ratings on the notes.
We may not have sufficient funds to repurchase all of the notes upon a change of control repurchase event.
Sinking Fund
There is no provision for a sinking fund for the notes.
Defeasance
Under certain circumstances, we will be deemed to have discharged the entire indebtedness on all of the outstanding notes of a series by
defeasance. See "Description of Debt Securities--Defeasance of the Indentures

S-6
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and Debt Securities" in the accompanying prospectus for a description of the terms of any such defeasance and the tax consequences thereof. The
provisions of Section 403 of the indenture relating to defeasance and discharge of indebtedness will apply to the notes.
Book-Entry System
The notes of each series will be issued in the form of one or more fully registered global securities ("Global Securities") that will be
deposited with, or on behalf of, The Depository Trust Company ("DTC" or the "Depository") and registered in the name of the Depository's
nominee.
Upon the issuance of a Global Security, the Depository will credit, on its book-entry registration and transfer system, the principal amount of
the notes represented by such Global Security to the accounts of institutions that have accounts with the Depository or its nominee
("Participants"). The accounts to be credited will be designated by the underwriters, dealers or agents. Ownership of beneficial interests in a
Global Security will be shown on, and the transfer of that ownership will be effected only through, records maintained by the Depository (with
respect to Participants' interests), the Participants and others such as banks, brokers, dealers and trust companies that clear through or maintain a
custodial relationship with Participants, either directly or indirectly ("indirect participants"). The laws of some states may require that certain
persons take physical delivery in definitive form of securities which they own. Consequently, such persons may be prohibited from purchasing
beneficial interests in a Global Security from any beneficial owner or otherwise.
So long as the Depository's nominee is the registered owner of a Global Security, such nominee for all purposes will be considered the sole
owner or holder of the notes represented by such Global Security for all purposes under the indenture. Except as provided below, owners of
beneficial interests in a Global Security will not be entitled to have any of the notes represented by such Global Security registered in their names,
will not receive or be entitled to receive physical delivery of the notes of the related series in definitive form and will not be considered the owners
or holders thereof under the indenture. Accordingly, each person owning a beneficial interest in a Global Security must rely on the procedures of
the Depository and, if such person is not a Participant, on the procedures of the Participant and, if applicable, the indirect participant, through which
such person owns its interest, to exercise any rights of a holder under the indenture. We understand that under existing practice, in the event that
we request any action of the holders or a beneficial owner desires to take any action a holder is entitled to take, the Depository would act upon the
instructions of, or authorize, the Participant to take such action.
We expect that the Depository or its nominee, upon receipt of any payment of principal or interest, will immediately credit the accounts of the
Participants with such payments in amounts proportionate to their respective beneficial interests in the principal amount of such Global Security as
shown on the records of the Depository or such nominee.
If DTC is at any time unwilling, unable or ineligible to continue as depositary for a Global Security and a successor depositary is not
appointed by the Company within 90 days, we will issue certificated notes of the related series in definitive form in exchange for such Global
Security. In addition, we may at any time determine not to have a series of notes represented by a Global Security, and, in such event, will issue
(subject to the procedures of the depositary) certificated notes of the related series in definitive form in exchange for such Global Security. In
either instance, an owner of a beneficial interest in a Global Security will be entitled to physical delivery of certificated notes of the related series
in definitive form equal in principal amount to such beneficial interest in such Global Security and to have such certificated notes registered in its
name. Certificated notes so issued in definitive form will be issued in denominations of $1,000 and integral multiples thereof and will be issued in
registered form only, without coupons.
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See "Description of Debt Securities" in the accompanying prospectus for additional information concerning the notes, the indenture and the
book-entry system.

S-7
Table of Contents
UNDERWRITING
Citigroup Global Markets Inc., J.P. Morgan Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co.
LLC are acting as joint book-running managers for the offering and as representatives for the underwriters named below. Under the terms and
subject to the conditions contained in an underwriting agreement dated March 29, 2017, we have agreed to sell to the underwriters, and each
underwriter has severally agreed to purchase, the aggregate principal amount of the notes set forth opposite their names in the following table:

Principal
Principal
Amount of the
Amount of the
Underwriter

2027 Notes

2047 Notes

Citigroup Global Markets Inc.

$ 100,000,000
$ 100,000,000
J.P. Morgan Securities LLC

$ 100,000,000
$ 100,000,000
Merrill Lynch, Pierce, Fenner & Smith
Incorporated

$ 100,000,000
$ 100,000,000
Morgan Stanley & Co. LLC

$ 100,000,000
$ 100,000,000
Barclays Capital Inc.

$
25,000,000
$
25,000,000
Credit Suisse Securities (USA) LLC

$
25,000,000
$
25,000,000
MUFG Securities Americas Inc.

$
7,500,000
$
7,500,000
SunTrust Robinson Humphrey, Inc.

$
7,500,000
$
7,500,000
U.S. Bancorp Investments, Inc.

$
7,500,000
$
7,500,000
Wells Fargo Securities, LLC

$
7,500,000
$
7,500,000
BNY Mellon Capital Markets, LLC

$
5,000,000
$
5,000,000
Loop Capital Markets LLC

$
5,000,000
$
5,000,000
Mizuho Securities USA Inc.

$
5,000,000
$
5,000,000
PNC Capital Markets LLC

$
5,000,000
$
5,000,000

Total

$ 500,000,000
$ 500,000,000

The underwriting agreement provides that the underwriters are obligated to purchase all of the notes if any are purchased.
The underwriters propose to offer the notes of each series at the applicable public offering prices on the cover page of this prospectus
supplement and may offer notes to selling group members at those prices less selling concessions of 0.400% and 0.500% of the principal amount
per 2027 note and 2047 note, respectively. The underwriters and selling group members may allow discounts of 0.200% and 0.250% of the
principal amount per 2027 note and 2047 note, respectively, on sales to other broker- dealers. After the initial public offering the representatives
may change the public offering prices and concessions and discounts to broker-dealers.
The following table shows the underwriting discounts and commissions that we are to pay to the underwriters in connection with this
offering (expressed as a percentage of the principal amount of the notes):

Paid by
Union Pacific

Corporation
Per 2027 Note

0.650%
Per 2047 Note

0.875%
We estimate that our out-of-pocket expenses (excluding the underwriting discount) for this offering will be approximately $75,000.

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424B5
Each of the notes is part of a new issue of securities with no established trading market. We do not intend to apply for the notes to be listed
on any securities exchange or to arrange for the notes to be quoted on any quotation system. The underwriters intend to make a secondary market
for the notes. However, they are not obligated to do so and may discontinue making a secondary market for the notes at any time without notice.
No assurance can be given as to how liquid the trading market for the notes will be.
We have agreed to indemnify the several underwriters against liabilities under the Securities Act of 1933, as amended, or contribute to
payments which the underwriters may be required to make in that respect.
In connection with the offering, the underwriters may engage in stabilizing transactions, syndicate covering transactions and penalty bids in
accordance with Regulation M under the Exchange Act.

· Stabilizing transactions permit bids to purchase the underlying security so long as the stabilizing bids do not exceed a specified

maximum.

· Over-allotment involves sales by the underwriters of the notes in excess of the principal amount of the notes the underwriters are

obligated to purchase, which creates a syndicate short position.

· Syndicate covering transactions involve purchases of the notes in the open market after the distribution has been completed in order to
cover syndicate short positions. A short position is more likely to be created if the underwriters are concerned that there may be

downward pressure on the price of the notes in the open market after pricing that could adversely affect investors who purchase in the
offering.

· Penalty bids permit the representatives to reclaim a selling concession from a syndicate member when the notes originally sold by the

syndicate member are purchased in a stabilizing transaction or a syndicate covering transaction to cover syndicate short positions.
These stabilizing transactions, syndicate covering transactions and penalty bids may have the effect of raising or maintaining the market price
of the notes or preventing or retarding a decline in the market price of the notes. As a result, the price of the notes may be higher than the price that
might otherwise exist in the open market. These transactions, if commenced, may be discontinued at any time without notice.
In the ordinary course of business, certain of the underwriters and their respective affiliates have from time to time performed and may in the
future perform various financial advisory, commercial banking, corporate trust and investment banking services for us and our subsidiaries, for
which they received or will receive customary fees.
In addition, in the ordinary course of their business activities, the underwriters and their affiliates may make or hold a broad array of
investments and actively trade debt and equity securities (or related derivative securities) and financial instruments (including bank loans) for their
own account and for the accounts of their customers. Such investments and securities activities may involve securities and/or instruments of ours or
our affiliates. If any of the underwriters or their affiliates has a lending relationship with us, certain of those underwriters or their affiliates routinely
hedge, and certain other of those underwriters or their affiliates may hedge, their credit exposure to us consistent with their customary risk
management policies. Typically, such underwriters and their affiliates would hedge such exposure by entering into transactions which consist of
either the purchase of credit default swaps or the creation of short positions in our securities, including potentially the notes offered hereby. Any
such credit default swaps or short positions could adversely affect future trading prices of the notes offered hereby. The underwriters and their
affiliates may also make investment recommendations and/or publish or express independent research views in respect of such securities or
financial instruments and may hold, or recommend to clients that they acquire, long and/or short positions in such securities and instruments.
We expect that the notes will be delivered against payment therefor on or about April 5, 2017, which will be the fifth business day following
the date of pricing of the notes (this settlement cycle being referred to as "T+5"). Under Rule 15c6-1 of the Securities Exchange Act of 1934, as
amended, trades in the secondary market generally

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are required to settle in three business days, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to
trade notes on the date of pricing or the next business day will be required to specify an alternate settlement cycle at the time of any such trade to
prevent a failed settlement. Purchasers of the notes who wish to trade notes on the date of pricing or the next business day should consult their own
advisors.

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LEGAL MATTERS
The validity of the offered securities will be passed upon for us by James J. Theisen, Jr., Esquire, Associate General Counsel of the Company,
or another senior corporate counsel as designated by us. Cravath, Swaine & Moore LLP, New York, New York, will pass upon the validity of the
offered securities for the underwriters. As of March 20, 2017, Mr. Theisen beneficially owned 42,698 shares of common stock, including unvested
retention shares or units granted under our stock incentive plans and held vested and unvested options to purchase 45,535 additional shares of
common stock.

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WHERE YOU CAN FIND MORE INFORMATION
We file annual, quarterly and current reports, proxy statements and other information with the SEC. You may read and copy this information
and the registration statement at the SEC's Public Reference Room, located at 100 F Street, N.E., Room 1580, Washington, D.C. 20549. You may
obtain information on the operation of the Public Reference Room by calling the SEC at 800-SEC-0330.
You may also obtain copies of this information by mail from the Public Reference Section of the SEC, 100 F Street, N.E., Washington, D.C.
20549, at prescribed rates.
The SEC also maintains a website that contains reports, proxy statements and other information about issuers, like us, who file electronically
with the SEC. The address of that site is http://www.sec.gov. You can also inspect reports, proxy statements and other information about us at the
offices of NYSE Euronext, 11 Wall Street, New York, New York 10005.
The SEC allows us to "incorporate by reference" information into this prospectus supplement. This means that we can disclose important
information to you by referring you to other documents filed separately with the SEC. The information incorporated by reference is considered part
of this prospectus supplement, except for any information that is superseded by information that is included directly in this document or in a later
filed document.
In addition to the documents listed in "Incorporation by Reference" on page 21 of the accompanying prospectus, we incorporate by reference
the documents listed below:

· our Annual Report on Form 10-K for the fiscal year ended December 31, 2016.
We incorporate by reference additional documents that we may file with the SEC pursuant to Sections 13(a), 14 and 15(d) of the Exchange
Act between the date of this prospectus supplement and the termination of the offering of the securities or, if later, until the date on which any of
our affiliates cease offering and selling the securities. Except as otherwise expressly incorporated by reference, any report, document or portion
thereof that is furnished to, but not filed with, the SEC is not incorporated by reference.

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EXPERTS
The consolidated financial statements and the related financial statement schedule, incorporated in this prospectus supplement by reference
from the Company's Annual Report on Form 10-K for the year ended December 31, 2016, and the effectiveness of Union Pacific Corporation's
internal control over financial reporting have been audited by Deloitte & Touche LLP, an independent registered public accounting firm, as stated
in their reports, which are incorporated herein by reference. Such consolidated financial statements and the related financial statement schedule
have been so incorporated in reliance upon the reports of such firm given upon their authority as experts in accounting and auditing.

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Document Outline

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