CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION
In this Form 10-Q, we make certain forward-looking statements, such as
statements regarding our plans, strategies, objectives, expectations, estimates,
predictions, projections, assumptions, intentions, resources and the future
impact of the coronavirus, or COVID-19, the responses thereto, the slowdown in
economic activity and the actions by oil producing nations on our business.
While these forward-looking statements, and any assumptions upon which they are
based, are made in good faith and reflect our current judgment regarding the
direction of our business, actual results will almost always vary, sometimes
materially, from any estimates, predictions, projections, assumptions or other
future performance suggested in this report. These forward-looking statements
can generally be identified by the words "anticipates," "believes," "expects,"
"plans," "intends," "estimates," "forecasts," "budgets," "projects," "will,"
"could," "should," "may" and similar expressions. These statements reflect our
current views with regard to future events and are subject to various risks,
uncertainties and assumptions, which may cause actual results to differ
materially. Please read Item 1A "Risk Factors" contained in Part I of our Annual
Report on Form 10-K for the year ended December 31, 2019, Item 1A "Risk Factors"
contained in Part II of this Quarterly Report on Form 10-Q, as well as our
subsequent filings with the Securities and Exchange Commission, for a discussion
of certain of those risks, uncertainties and assumptions.

If one or more of these risks or uncertainties materialize, or if the underlying
assumptions prove incorrect, our actual results may vary materially from those
described in any forward-looking statement. Other unknown or unpredictable
factors could also have material adverse effects on our future results. Readers
are cautioned not to place undue reliance on this forward-looking information,
which is as of the date of this Form 10-Q. We do not intend to update these
statements unless we are required by the securities laws to do so, and we
undertake no obligation to publicly release the result of any revisions to any
such forward-looking statements that may be made to reflect events or
circumstances after the date of this report or to reflect the occurrence of
unanticipated events.

OVERVIEW

NuStar Energy L.P. (NYSE: NS) is engaged in the transportation of petroleum
products and anhydrous ammonia, and the terminalling, storage and marketing of
petroleum products. Unless otherwise indicated, the terms "NuStar Energy," "NS,"
"the Partnership," "we," "our" and "us" are used in this report to refer to
NuStar Energy L.P., to one or more of our consolidated subsidiaries or to all of
them taken as a whole. Our business is managed under the direction of the board
of directors of NuStar GP, LLC, the general partner of our general partner,
Riverwalk Logistics, L.P., both of which are indirectly wholly owned
subsidiaries of ours.

Our Management's Discussion and Analysis of Financial Condition and Results of
Operations is presented in five sections:
• Overview, including Trends and Outlook


• Results of Operations

• Liquidity and Capital Resources

• Critical Accounting Policies

• New Accounting Pronouncements





COVID-19 and OPEC+ Actions
In March 2020, the World Health Organization declared the coronavirus, or
COVID-19, a pandemic as the illness spread across the globe. COVID-19 has had a
severe impact on global economic activity, as government authorities have
instituted stay-home orders and other measures to reduce the spread of COVID-19,
and billions of people around the world have ceased their usual day-to-day
activities. The scale of this decrease has significantly reduced demand for
petroleum products. In March, the negative economic impact of the COVID-19
pandemic and demand deterioration was exacerbated by disputes among the
Organization of Petroleum Exporting Countries and other oil producing nations
(OPEC+) regarding their agreed production rates that contributed to a
significant over-supply in crude, resulting in a sharp decline in, and increase
in the volatility of, crude oil prices.

The uncertainty surrounding the ongoing impact of the pandemic and OPEC+
over-supply combined to undermine financial markets around the world, including
U.S. equity markets, and contributed to precipitous drops in value and
historically high volatility across many sectors. These adverse conditions also
led to a decline in our unit price and market capitalization, and, due to that
decline, we recorded a goodwill impairment charge of $225.0 million associated
with our crude oil pipelines in the first quarter of 2020. Please refer to Note
3 of the Condensed Notes to Consolidated Financial Statements in Item 1.
"Financial Statements" for additional information about the goodwill impairment,
including our method for determining the fair value of the reporting units.

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Ongoing uncertainty surrounding the COVID-19 pandemic and its impact on demand
for petroleum products and future production decisions by oil-producing nations
continue to cause volatility and negatively impact global equity, debt and
commodity markets.

Trends and Outlook
In March, in response to the negative impacts of, and the continued uncertainty
related to, the COVID-19 pandemic and actions by OPEC+, we implemented our
business continuity plan and implemented measures to ensure we continue to
conduct business, operate safely and maintain a safe working environment for our
employees, whether working remotely or on-site at our locations across North
America. In March, we extended the maturity on our revolving credit agreement
from October 2021 to October 2023 as part of our overall ongoing effort to
improve our liquidity and financial flexibility.

We also began taking steps to preserve and enhance our liquidity by reducing
spending, preserving cash, strengthening our balance sheet and addressing our
near-term debt maturities. We significantly reduced our strategic capital
expenditures planned for the full-year 2020 by $145.0 million, or 45% below our
previous forecast, to a range of $165.0 to $195.0 million. We also reduced our
controllable and operating expenses for the full-year 2020, mainly related to
power and other costs associated with lower expected throughput and certain
discretionary maintenance, travel and other expenses, and we lowered the
distribution related to the first quarter of 2020 to $0.40 per common unit. In
addition, in April, we entered into a $750.0 million three-year unsecured term
loan, which provides us with the financial flexibility to address our near-term
debt maturities in September 2020 and February 2021.

While the COVID-19 pandemic and actions by OPEC+ did not have a significant
impact on our first quarter 2020 results, other than the goodwill impairment
charge we recorded for the first quarter, we do expect to see some negative
impact on our results of operations in the second quarter and future periods.
Our assets are balanced approximately 60% to 40% between our pipeline and
storage segments, and 60% to 40% between refined products and crude oil, which
we believe is more important than ever to navigate these unprecedented times.

For 2020, we expect reduced throughput and earnings on most of our crude oil and
refined product systems, compared to our previous expectations for 2020, and to
varying degrees. The geographic location of our assets and the products we
transport, tends to mitigate some of the negative impact from COVID-19. Unlike
the hardest-hit densely populated cities on the East and West Coasts, our
refined product pipelines are mainly located in Texas, where the stay-home
orders began being lifted at the beginning of May, and in the Midwest, where
demand has been insulated by lower-density population centers and continued
strong agricultural demand. In addition, while we have seen declines in gasoline
demand due to the stay-home directives, diesel demand has remained stable,
mainly supported by trucks continuing to deliver supplies across the country and
agriculture demand.

Our crude oil pipelines are somewhat insulated by minimum volume commitments on
certain systems, but we do expect lower throughputs on our crude oil pipelines
that serve producer demand in shale plays, especially in the Permian Basin, as
the decline in the price of crude oil has reduced rig counts, signaling
decreased drilling activity. Although we expect current conditions to
temporarily depress production growth in the Permian Basin in the near-term, we
believe our system has geological advantages over other shale plays, including
lower production costs and higher product quality, that should benefit our
assets as crude demand, price and production begin to recover.

While overall demand for refined petroleum products has declined from the impact
of stay-home orders, which would tend to reduce the demand for terminal services
in certain markets, the impact of lower activity is somewhat mitigated by our
storage segment contracts, including our contracted rates for storage and
minimum throughput agreements. In addition, because of the contango market
created by the near-term decline of crude oil prices combined with the
expectation those prices will rise in the future, during March and April, we
entered into new contracts with several customers at certain of our terminals,
mainly in our Northeast region, which has resulted in our lease of all of our
available storage capacity across our asset footprint.

We expect the strong contango uplift in our storage segment to be more than
offset by a decrease in refined product and crude oil demand in our pipeline
segment. Going forward, we expect to continually evaluate our capital projects
and operating expenses, and make changes as economic conditions warrant.
Although we extended the maturity on our revolving credit agreement from October
2021 to October 2023 and entered into a $750.0 million three-year unsecured term
loan, we plan to continue to monitor the debt capital markets for opportunities
to raise additional capital at favorable terms. Ongoing uncertainty surrounding
the COVID-19 pandemic, including its duration and lingering impacts, and
uncertainty surrounding future production decisions by OPEC+, continue to cause
volatility and could significantly impact management's estimates and
assumptions. While many uncertainties remain, we expect to continue to address
the impacts from COVID-19 and the global oil markets.

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Other Events
Selby Terminal Fire. On October 15, 2019, our terminal facility in Selby,
California experienced a fire that destroyed two storage tanks and temporarily
shut down the terminal. The property damage was isolated, and in the fourth
quarter of 2019, we incurred losses of $5.4 million, which represent the
aggregate amount of our deductibles under various insurance policies. We
received insurance proceeds of $11.9 million in the first quarter of 2020 and
$13.1 million in April 2020. Gains from business interruption insurance of $3.1
million for the three months ended March 31, 2020 are included in "Operating
expenses" in the condensed consolidated statement of comprehensive loss.
Insurance proceeds relate to cleanup costs and business interruption and are
therefore included in "Cash flows from operating activities" in the consolidated
statement of cash flows. We believe we have adequate insurance to offset
additional costs in excess of the insurance deductibles.

Completed Projects. In the third quarter of 2019, we completed construction of a
30-inch crude oil pipeline from Taft, Texas to our Corpus Christi North Beach
terminal to transport volumes from the Permian Basin to Corpus Christi, Texas
for export. We also completed an expansion project on our Valley Pipeline
System, which originates in Corpus Christi and runs south to the Rio Grande
Valley, and reactivated our refined products pipeline in South Texas to
transport diesel to our Nuevo Laredo terminal in Mexico.

Sale of St. Eustatius Operations. On July 29, 2019, we sold our St. Eustatius
terminal and bunkering operations (the St. Eustatius Operations) for net
proceeds of approximately $230.0 million (the St. Eustatius Disposition). The
St. Eustatius Disposition included a 14.3 million barrel storage and
terminalling facility and related assets on the island of St. Eustatius in the
Caribbean. We previously reported the terminal operations in our storage segment
and the bunkering operations in our fuels marketing segment.

The unaudited condensed consolidated statement of comprehensive loss for the
three months ended March 31, 2019 reflects the St. Eustatius Operations as
discontinued operations. The consolidated statement of cash flows for the three
months ended March 31, 2019 has not been adjusted to separately disclose cash
flows related to discontinued operations. Please refer to Note 3 of the
Condensed Notes to Consolidated Financial Statements in Item 1. "Financial
Statements" for additional information on discontinued operations.

In the first quarter of 2019, we recorded long-lived asset and goodwill
impairment charges of $297.3 million and $31.1 million, respectively, in
discontinued operations related to the St. Eustatius Operations. Please refer to
Note 3 of the Condensed Notes to Consolidated Financial Statements in Item 1.
"Financial Statements" for further discussion of the impairment charges.

Operations


We conduct our operations through our subsidiaries, primarily NuStar Logistics,
L.P. (NuStar Logistics) and NuStar Pipeline Operating Partnership L.P. (NuPOP).
Our operations consist of three reportable business segments: pipeline, storage
and fuels marketing.

Pipeline. We own 3,205 miles of refined product pipelines and 2,160 miles of
crude oil pipelines, as well as 5.6 million barrels of storage capacity, which
comprise our Central West System. In addition, we own 2,600 miles of refined
product pipelines, consisting of the East and North Pipelines, and a 2,000-mile
ammonia pipeline (the Ammonia Pipeline), which comprise our Central East System.
The East and North Pipelines have storage capacity of 7.4 million barrels. We
charge tariffs on a per barrel basis for transporting refined products, crude
oil and other feedstocks in our refined product and crude oil pipelines and on a
per ton basis for transporting anhydrous ammonia in the Ammonia Pipeline.

Storage. Our storage segment includes the operations of our terminal and storage
facilities in the United States, Canada and Mexico, with 62.0 million barrels of
storage capacity. Revenues for the storage segment include fees for tank storage
agreements, under which a customer agrees to pay for a certain amount of storage
in a tank over a period of time (storage terminal revenues), and throughput
agreements, under which a customer pays a fee per barrel for volumes moved
through our terminals (throughput terminal revenues).

Fuels Marketing. The fuels marketing segment includes our bunkering operations
in the Gulf Coast, as well as certain of our blending operations associated with
our Central East System. The results of operations for the fuels marketing
segment depend largely on the margin between our costs and the sales prices of
the products we market. Therefore, the results of operations for this segment
are more sensitive to changes in commodity prices compared to the operations of
the pipeline and storage segments. We enter into derivative contracts to attempt
to mitigate the effects of commodity price fluctuations. The financial impacts
of the derivative financial instruments associated with commodity price risk
were not material for any periods presented.


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Factors That Affect Results of Operations The following factors affect the results of our operations: • industry factors, such as changes in the prices of petroleum products that

affect demand and the operations of our competitors;

• economic factors and price volatility;

• factors that impact the operations served by our pipeline and storage

assets, such as utilization rates and maintenance turnaround schedules of


       our refining company customers and drilling activity by our crude oil
       production customers;

• company-specific factors, such as facility integrity issues, maintenance

requirements and outages that impact the throughput rates of our assets;

and

• seasonal factors that affect the demand for products transported by and/or

stored in our assets and the demand for products we sell.





Increases or decreases in the price of crude oil affect sectors across the
energy industry, including our customers in crude oil production, refining and
trading, in different ways at different points in any given price cycle. For
example, during periods of sustained low prices, as is currently the case,
producers tend to reduce their capital spending and drilling activity and narrow
their focus to assets in the most cost-advantaged regions. Refiners, on the
other hand, can benefit from lower crude oil prices if they are able to take
advantage of lower feedstock prices in areas with healthy regional demand;
however, as refined product inventories increase, refiners typically reduce
their production rate, which may reduce the degree to which they are able to
benefit from low crude prices. Crude oil traders focus less on the current
market commodity price than on whether that price is higher or lower than
expected future market prices: if the future price for a product is believed to
be higher than the current market price, or a "contango market," as is currently
the case, traders are more likely to purchase and store products to sell in the
future at the higher price. On the other hand, when the current price of crude
oil nears or exceeds the expected future market price, or "backwardation,"
traders are no longer incentivized to purchase and store product for future
sale.

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RESULTS OF OPERATIONS
Three Months Ended March 31, 2020 Compared to Three Months Ended March 31, 2019
                              Financial Highlights
            (Unaudited, Thousands of Dollars, Except Per Unit Data)
                                                   Three Months Ended March 31,
                                                      2020               2019           Change
Statement of Income Data:
Revenues:
Service revenues                                $      316,746       $   259,027     $   57,719
Product sales                                           76,045            88,799        (12,754 )
Total revenues                                         392,791           347,826         44,965

Costs and expenses:
Costs associated with service revenues                 168,243           160,229          8,014
Cost of product sales                                   67,450            86,182        (18,732 )
Goodwill impairment loss                               225,000                 -        225,000
General and administrative expenses                     22,971            25,691         (2,720 )
Other depreciation and amortization expense              2,186             2,119             67
Total costs and expenses                               485,850           274,221        211,629

Operating (loss) income                                (93,059 )          73,605       (166,664 )
Interest expense, net                                  (47,494 )         (44,291 )       (3,203 )
Other (expense) income, net                             (6,489 )             791         (7,280 )
(Loss) income from continuing operations before
income tax expense                                    (147,042 )          30,105       (177,147 )
Income tax expense                                         599             1,182           (583 )
(Loss) income from continuing operations              (147,641 )          28,923       (176,564 )
Loss from discontinued operations, net of tax                -          (306,786 )      306,786
Net loss                                        $     (147,641 )     $  (277,863 )   $  130,222
Basic and diluted net loss per common unit:
Continuing operations                           $        (1.68 )     $     (0.06 )   $    (1.62 )
Discontinued operations                                      -             (2.85 )         2.85
Total                                           $        (1.68 )     $     (2.91 )   $     1.23



Overview
We incurred a loss from continuing operations of $147.6 million for the three
months ended March 31, 2020, mainly due to a non-cash goodwill impairment charge
of $225.0 million related to our crude oil pipelines reporting unit, compared to
income from continuing operations of $28.9 million for the three months ended
March 31, 2019. This impairment charge was partially offset by higher revenues
from the pipeline and storage segments and higher operating income from the
fuels marketing segment for the three months ended March 31, 2020, compared to
the three months ended March 31, 2019.

We incurred a loss from discontinued operations, net of tax, of $306.8 million
for the three months ended March 31, 2019, mainly due to non-cash impairment
charges totaling $328.4 million related to the St. Eustatius operations. Please
see Note 3 of the Condensed Notes to Consolidated Financial Statements in Item
1. "Financial Statements" for additional information on the impairment charges.

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                          Segment Operating Highlights
             (Thousands of Dollars, Except Barrels/Day Information)
                                                   Three Months Ended March 31,
                                                       2020               2019           Change
Pipeline:
Crude oil pipelines throughput (barrels/day)          1,532,046         1,018,608        513,438
Refined products and ammonia pipelines
throughput (barrels/day)                                594,432           503,485         90,947
Total throughput (barrels/day)                        2,126,478         1,522,093        604,385
Throughput and other revenues                   $       195,681       $   156,251     $   39,430
Operating expenses                                       50,246            48,098          2,148
Depreciation and amortization expense                    43,359            40,849          2,510
Goodwill impairment loss                                225,000                 -        225,000
Segment operating (loss) income                 $      (122,924 )     $    67,304     $ (190,228 )
Storage:
Throughput (barrels/day)                                678,830           364,854        313,976
Throughput terminal revenues                    $        38,723       $    21,686     $   17,037
Storage terminal revenues                                84,494            81,814          2,680
Total revenues                                          123,217           103,500         19,717
Operating expenses                                       49,936            47,313          2,623
Depreciation and amortization expense                    24,702            23,969            733
Segment operating income                        $        48,579       $    32,218     $   16,361
Fuels Marketing:
Product sales                                   $        73,902       $    88,079     $  (14,177 )
Cost of goods                                            66,954            85,501        (18,547 )
Gross margin                                              6,948             2,578          4,370
Operating expenses                                          505               653           (148 )
Segment operating income                        $         6,443       $     1,925     $    4,518
Consolidation and Intersegment Eliminations:
Revenues                                        $            (9 )     $        (4 )   $       (5 )
Cost of goods                                                (9 )              28            (37 )
Total                                           $             -       $       (32 )   $       32
Consolidated Information:
Revenues                                        $       392,791       $   347,826     $   44,965
Costs associated with service revenues:
Operating expenses                                      100,182            95,411          4,771
Depreciation and amortization expense                    68,061            64,818          3,243
Total costs associated with service revenues            168,243           160,229          8,014
Cost of product sales                                    67,450            86,182        (18,732 )
Goodwill impairment loss                                225,000                 -        225,000
Segment operating (loss) income                         (67,902 )         101,415       (169,317 )
General and administrative expenses                      22,971            25,691         (2,720 )
Other depreciation and amortization expense               2,186             2,119             67
Consolidated operating (loss) income            $       (93,059 )     $    73,605     $ (166,664 )




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Pipeline


Total revenues increased $39.4 million and throughputs increased 604,385 barrels
per day for the three months ended March 31, 2020, compared to the three months
ended March 31, 2019, primarily due to:
•      an increase in revenues of $12.7 million and an increase in throughputs of

97,808 barrels per day resulting from increased customer production

supplying our Permian Crude System and the completion of new pipeline

connections with higher tariffs and expansion projects;

• an increase in revenues of $8.3 million and an increase in throughputs of

66,422 barrels per day due to operational issues at the refinery served by

our McKee System pipelines in the first quarter of 2019;

• an increase in revenues of $7.5 million and an increase in throughputs of


       15,812 barrels per day on our Valley Pipeline System, mainly due to the
       completion of an expansion project in the third quarter of 2019 and a new
       customer contract;

• an increase in revenues of $7.4 million and an increase in throughputs of

388,689 barrels per day on our Corpus Christi Crude Pipeline System due to


       completion of the 30-inch crude oil pipeline from Taft, Texas to our
       Corpus Christi North Beach terminal in the third quarter of 2019, a
       turnaround at a customer's refinery in the first quarter of 2020 that

resulted in crude oil volumes from the Eagle Ford being diverted to Corpus


       Christi instead of the refinery and completion of a new pipeline
       connection in the fourth quarter of 2019; and

• an increase in revenues of $2.4 million and an increase in throughputs of


       26,088 barrels per day on our Three Rivers System, partially due to the
       turnaround at a customer's refinery mentioned above, which resulted in
       higher volumes of refined product shipped from Corpus Christi, Texas to

supply demand in markets served by the system and the reactivation of our

refined products pipeline to transport diesel to our Nuevo Laredo terminal

in Mexico, which began early service in the third quarter of 2019 and full

service at the end of the first quarter of 2020.





Operating expenses increased $2.1 million for the three months ended March 31,
2020, compared to the three months ended March 31, 2019, primarily due to an
increase in maintenance and regulatory expenses on the Ammonia Pipeline.

Depreciation and amortization expense increased $2.5 million for the three months ended March 31, 2020, compared to the three months ended March 31, 2019, mainly due to completed projects in 2019.

Storage


Throughput terminal revenues increased $17.0 million and throughputs increased
313,976 barrels per day for the three months ended March 31, 2020, compared to
the three months ended March 31, 2019, mainly due to an increase in throughput
terminal revenues of $16.8 million and an increase in throughputs of 315,340
barrels per day at our Corpus Christi North Beach terminal, consistent with
higher volumes on our Corpus Christi Crude Pipeline System.

Storage terminal revenues increased $2.7 million for the three months ended
March 31, 2020, compared to the three months ended March 31, 2019, primarily due
to the following:
•      an increase in revenues of $4.4 million at our Gulf Coast terminals,
       mainly due to an increase in revenues of $2.5 million at our Texas City
       Terminal, primarily due to new customer contracts, rate escalations and
       higher reimbursable revenues, and an increase in revenues at our St. James
       terminal of $2.3 million, mainly due to higher unit train activity; and

• an increase in revenues of $1.5 million at our West Coast terminals,


       mainly due to completed storage projects and higher throughput and
       handling fees.



These increases were partially offset by lower revenues of $3.8 million at our
North East and Point Tupper terminals, mainly due to decreases in customer base
and lower throughput and handling fees.

Operating expenses increased $2.6 million for the three months ended March 31,
2020, compared to the three months ended March 31, 2019, primarily due to
increases in reimbursable expenses of $4.6 million and $0.6 million in
contractor services, resulting mainly from increased dockage and wharfage
activity at our Corpus Christi North Beach terminal and increased customer
activity at our Texas City Terminal. These increases were partially offset by
the business interruption insurance recovery of $3.1 million in the first
quarter of 2020 related to the fire at our Selby terminal in the fourth quarter
of 2019.

Fuels Marketing
Segment operating income increased $4.5 million for the three months ended
March 31, 2020, compared to the three months ended March 31, 2019, mainly due to
an increase in operating income of $2.3 million from our blending operations and
other product sales and $2.2 million from higher margins from our bunkering
business.


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General


General and administrative expenses decreased $2.7 million for the three months
ended March 31, 2020, compared to the three months ended March 31, 2019, mainly
due to lower compensation costs.

Interest expense, net, increased $3.2 million for the three months ended
March 31, 2020, compared to the three months ended March 31, 2019, mainly due to
the issuance of $500.0 million of 6.0% senior notes in May of 2019, partially
offset by lower borrowings under our revolving credit agreement after applying
the proceeds from the St. Eustatius Disposition in July 2019.

Other expense, net of $6.5 million for the three months ended March 31, 2020, consisted mainly of foreign currency transaction losses associated with our Mexico subsidiary.


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LIQUIDITY AND CAPITAL RESOURCES
Overview
Our primary cash requirements are for debt service, distributions to our
partners, capital expenditures, acquisitions and operating expenses.

Due to the negative impacts of, and the continued uncertainty related to, the
COVID-19 pandemic and actions taken by
OPEC+, we have taken steps to preserve and enhance our liquidity. As further
described below, by deferring certain planned capital expenditures, we have
reduced our 2020 planned capital expenditures by an additional 45% below our
previous expectations. Planned 2020 capital expenditures had already been
drastically reduced from 2019 as we completed several large pipeline expansion
projects in the second half of 2019. We also have identified ways that we
believe will reduce our operating expenditures, which should further reduce our
overall cash requirements. At the same time, we enhanced our sources of
liquidity by extending the maturity on our revolving credit agreement from
October 2021 to October 2023 and entering into a $750.0 million three-year
unsecured term loan, which provide us with the financial flexibility to address
our near-term debt maturities in September 2020 and February 2021.

Our partnership agreement requires that we distribute all "Available Cash" to
our common limited partners each quarter. "Available Cash" is defined in the
partnership agreement generally as cash on hand at the end of the quarter, plus
certain permitted borrowings made subsequent to the end of the quarter, less
cash reserves determined by our board of directors, subject to requirements for
distributions for our preferred units. The distribution related to the first
quarter 2020 was lowered to $0.40 per common unit.

Each year, our objective is to fund our reliability capital expenditures and
distribution requirements with net cash provided by operating activities during
that year. If we do not generate sufficient cash from operations to meet that
objective, we can use cash on hand or other sources of cash flow, which in the
past have primarily included borrowings under our revolving credit agreement,
sales of non-strategic assets and, to the extent necessary, funds raised through
equity or debt offerings. We have typically funded our strategic capital
expenditures and acquisitions from external sources, primarily borrowings under
our revolving credit agreement or funds raised through equity or debt offerings.
However, our ability to raise funds by issuing debt or equity depends on many
factors beyond our control, including our ability to access such markets with
the continued uncertainty surrounding the duration and severity of the impact
from the COVID-19 pandemic and actions by OPEC+. Our risk factors in Item 1A of
our Annual Report on Form 10-K for the year ended December 31, 2019 and in Part
II of this report describe the risks inherent to these sources of funding and
the availability thereof. Although the Term Loan provides us the financial
flexibility to fund debt maturities in the near term, we plan to continue to
monitor the debt capital markets for opportunities to raise additional capital
at favorable terms.

For 2020, we expect to generate sufficient cash from operations to fund our distribution requirements, reliability capital expenditures and a portion of our strategic capital expenditures.

Cash Flows for the Three Months Ended March 31, 2020 and 2019 The following table summarizes our cash flows from operating, investing and financing activities (please refer to our Consolidated Statements of Cash Flows in Item 1. "Financial Statements"):


                                                               Three Months Ended March 31,
                                                                 2020                 2019
                                                                  (Thousands of Dollars)
Net cash provided by (used in):
Operating activities                                       $      151,428       $      103,568
Investing activities                                              (71,424 )           (139,949 )
Financing activities                                              (77,089 )             47,117
Effect of foreign exchange rate changes on cash                    (1,403 )                154

Net increase in cash, cash equivalents and restricted cash $ 1,512

$ 10,890





Net cash provided by operating activities for the three months ended March 31,
2020 was $151.4 million, compared to $103.6 million for the three months ended
March 31, 2019, primarily due to higher earnings and changes in working capital.
Our working capital increased by $9.8 million for the three months ended
March 31, 2020, compared to $33.4 million for the three months ended March 31,
2019. Working capital requirements are mainly affected by our accounts
receivable and accounts payables balances, which vary depending on the timing of
payments. For the three months ended March 31, 2019, accrued liabilities
decreased $30.9 million, mainly due to revenue recognized during the period that
was included in a contract liability

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at the beginning of the year, as discussed in Note 4 of the Condensed Notes to Consolidated Financial Statements in Item 1. "Financial Statements."



For the three months ended March 31, 2020, the net cash provided by operating
activities was used to fund our distributions to unitholders of $95.6 million,
reliability capital expenditures of $3.6 million and a portion of our strategic
capital expenditures. Net proceeds from debt borrowings were used to fund the
remainder of our strategic capital expenditures, which are described in the
Capital Requirements section below.

For the three months ended March 31, 2019, the net cash provided by operating
activities and cash on hand were used to fund our distributions to unitholders
of $94.8 million and reliability capital expenditures of $9.5 million, and net
proceeds from debt borrowings were used to fund our strategic capital
expenditures of $149.9 million, as described in the Capital Requirements section
below.

Debt Sources of Liquidity
Term Loan. On April 19, 2020, NuStar Energy and NuStar Logistics entered into an
unsecured term loan credit agreement with certain lenders and Oaktree Fund
Administration, LLC, as administrative agent for the lenders (the Term Loan).
The Term Loan provides for an aggregate commitment of up to $750.0 million
pursuant to a three-year unsecured term loan credit facility. NuStar Logistics
drew $500.0 million (the Initial Loan) on April 21, 2020 (the Initial Loan
Funding Date), leaving an additional aggregate principal amount of $250.0
million, which NuStar Logistics may elect to draw, on or prior to April 19,
2021, in one or more draws, subject to certain conditions. We utilized the net
proceeds of the Initial Loan to repay outstanding borrowings under our Revolving
Credit Agreement. The Term Loan also bolsters our liquidity to address our
senior note maturities in 2020 and early 2021.

Outstanding borrowings bear interest at an aggregate rate of 12.0% per annum.
The Initial Loan under the Term Loan was issued with an original issue discount
in an amount equal to 3.0% of the total commitment. Additionally, NuStar
Logistics will pay a commitment fee in the amount of 5.0% per annum on the
average daily undrawn amount. The obligations under the Term Loan are fully and
unconditionally guaranteed by NuStar Energy and NuPOP.

NuStar Logistics is required to make mandatory prepayment in an amount equal to
100.0% of the proceeds received as a result of certain events, subject to
certain exclusions and adjustments, such as the incurrence of additional
indebtedness (excluding additional borrowings on the Revolving Credit
Agreement), the issuance of equity securities and the sale of property or
assets. Depending on the amount of time that has passed since the Initial Loan
Funding Date, if there is a payment or prepayment (subject to certain
exceptions), NuStar Logistics is required to pay, as liquidated damages and
compensation for the costs of making funds available, a make-whole premium or
similar amount. From the Initial Loan Funding Date through
the 18-month anniversary of the Initial Loan Funding Date, such premium will be
the sum of (i) the make-whole amount and (ii) 6.25% of the aggregate principal
amount of borrowings then paid, prepaid or accelerated. After
the 18-month anniversary of the Initial Loan Funding Date through
the 30-month anniversary of the Initial Loan Funding Date, such premium will be
6.25% of the aggregate principal amount of borrowings then paid, prepaid or
accelerated. Prepayments made in connection with one or more asset sales of up
to an aggregate amount of $250.0 million will be subject to a lower prepayment
premium. For asset sale prepayments from the Initial Loan Funding Date through
the 18-month anniversary of the Initial Loan Funding Date, such premium will be
5.0% of the aggregate principal amount of borrowings then paid, prepaid or
accelerated. After the 18-month anniversary of the Initial Loan Funding Date
through the 30-month anniversary of the Initial Loan Funding Date, such premium
will be 3.0% of the aggregate principal amount of borrowings then paid, prepaid
or accelerated. There will be no premium for any prepayments of borrowings after
the 30-month anniversary of the Initial Loan Funding Date.

The Term Loan contains customary covenants (including ratio requirements)
regarding NuStar Energy and its subsidiaries that are generally based upon and
are comparable to those contained in the Revolving Credit Agreement and also
contains customary events of default.

Revolving Credit Agreement. On March 6, 2020, NuStar Logistics amended its
Revolving Credit Agreement to, among other things, extend the maturity date from
October 29, 2021 to October 27, 2023, reduce the total amount available for
borrowing from $1.2 billion to $1.0 billion and increase the rates included in
the definition of Applicable Rate contained in the Revolving Credit Agreement.
On April 6, 2020, NuStar Logistics amended the Revolving Credit Agreement to
allow for certain transactions related to the revenue bonds issued pursuant to
the Gulf Opportunity Zone Act of 2005 (the GoZone Bonds).


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The Revolving Credit Agreement is subject to maximum consolidated debt coverage
ratio and minimum consolidated interest coverage ratio requirements, which may
limit the amount we can borrow to an amount less than the total amount available
for borrowing. For the rolling period of four quarters ending March 31, 2020,
the consolidated debt coverage ratio (as defined in the Revolving Credit
Agreement) could not exceed 5.00-to-1.00 and the consolidated interest coverage
ratio (as defined in the Revolving Credit Agreement) must not be less than
1.75-to-1.00. As of March 31, 2020, our consolidated debt coverage ratio was
3.73x and our consolidated interest coverage ratio was 2.59x. As of March 31,
2020, we had $495.9 million available for borrowing.

In March of 2020, S&P Global Ratings changed our rating outlook from stable to
negative, and back to stable in April 2020. In April of 2020, Fitch, Inc.
downgraded our credit rating from BB to BB- and placed our rating on Rating
Watch Negative. Also in April of 2020, Moody's Investor Service Inc. placed our
ratings under review for downgrade. Per the terms of the Revolving Credit
Agreement, these changes did not impact the interest rate on our Revolving
Credit Agreement, which is the only debt arrangement with an interest rate that
is subject to adjustment if our debt rating is downgraded (or upgraded) by
certain credit rating agencies. The following table reflects the current ratings
and outlook that have been assigned to our debt:
                                 Moody's Investor          S&P
             Fitch, Inc.           Service Inc.       Global Ratings
Ratings          BB-                    Ba2                BB-
Outlook Rating Watch Negative   Rating Under Review       Stable



Receivables Financing Agreement. NuStar Energy and NuStar Finance LLC (NuStar
Finance), a special purpose entity and wholly owned subsidiary of NuStar Energy,
are parties to a $125.0 million receivables financing agreement with third-party
lenders (the Receivables Financing Agreement) and agreements with certain of
NuStar Energy's wholly owned subsidiaries (collectively with the Receivables
Financing Agreement, the Securitization Program). The amount available for
borrowing under the Receivables Financing Agreement is limited to $125.0 million
and is based on the availability of eligible receivables and other customary
factors and conditions.

LOC Agreement. We are also a party to a $100.0 million uncommitted letter of
credit agreement, which provides for standby letters of credit or guarantees
with a term of up to one year (LOC Agreement). As of March 31, 2020, we had no
letters of credit issued under the LOC Agreement.

Please refer to Note 5 of the Condensed Notes to Consolidated Financial Statements in Item 1. "Financial Statements" for a discussion of certain of our debt agreements.



Capital Requirements
Our operations require significant investments to maintain, upgrade or enhance
the operating capacity of our existing assets. Our capital expenditures consist
of:
•      strategic capital expenditures, such as those to expand or upgrade the

operating capacity, increase efficiency or increase the earnings potential


       of existing assets, whether through construction or acquisition, as well
       as certain capital expenditures related to support functions; and

• reliability capital expenditures, such as those required to maintain the


       current operating capacity of existing assets or extend their useful
       lives, as well as those required to maintain equipment reliability and
       safety.


The following table summarizes our capital expenditures for the three months ended March 31, 2020 and 2019, and the amount we expect to spend in 2020:


                                     Strategic Capital      Reliability Capital
                                       Expenditures            Expenditures              Total
                                                         (Thousands of Dollars)
For the three months ended March
31:
2020                                $          52,654     $               3,629     $       56,283
2019                                $         149,885     $               9,544     $      159,429

Expected for the year ended               $ 165,000 -
December 31, 2020                             195,000         $ 40,000 - 50,000



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Strategic capital expenditures for the three months ended March 31, 2020 and
2019 mainly consisted of expansion projects on our Permian Crude System and
Corpus Christi Crude System, as well as our Northern Mexico refined products
supply projects. Reliability capital expenditures primarily relate to
maintenance upgrade projects at our terminals, including costs to repair the
property damage at the St. Eustatius terminal prior to its sale in July 2019.

For the year ended December 31, 2020, in response to the impacts from the
COVID-19 pandemic and the actions of OPEC+, we have reduced our expected
strategic capital expenditures by 45% from our previous expectations. We expect
a significant portion of our remaining strategic capital spending to relate to
completing our expansion projects on our Permian Crude System and Corpus Christi
Crude System that began in 2019 and are near completion, projects to handle
bio-fuels demand on the West Coast and projects to increase flexibility at our
St. James and other terminals. We continue to evaluate our capital budget and
make changes as economic conditions warrant, and our actual capital expenditures
for 2020 may increase or decrease from the expected amounts noted above. We
believe cash on hand, combined with the sources of liquidity previously
described, will be sufficient to fund our capital expenditures in 2020, and our
internal growth projects can be accelerated or scaled back depending on market
conditions or customer demand.

Distributions


Common Units. Distribution payments are made to our common limited partners
within 45 days after the end of each quarter as of a record date that is set
after the end of each quarter. The following table summarizes information about
quarterly cash distributions to our common limited partners:
                                     Cash
                                 Distributions         Total Cash
       Quarter Ended               Per Unit           Distributions         Record Date        Payment Date
                                                      (Thousands of
                                                        Dollars)
March 31, 2020                 $          0.40     $          43,730          May 11, 2020        May 15, 2020
December 31, 2019              $          0.60     $          65,128     February 10, 2020   February 14, 2020



Preferred Units. Distributions on our preferred units are payable out of any
legally available funds, accrue and are cumulative from the original issuance
dates, and are payable on the 15th day (or next business day) of each of March,
June, September and December of each year to holders of record on the first
business day of each payment month.

The following table provides the terms related to distributions for our Series
A, Series B and Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual
Preferred Units (collectively, the Series A, B and C Preferred Units):
                     Fixed
                  Distribution
                    Rate Per                                                                 Floating Annual
                  Annum (as a                                                  Optional         Rate (as a
                   Percentage                                                 Redemption      Percentage of
                     of the                                                  Date/Date at          the
                     $25.00                                                      Which            $25.00
                  Liquidation     Fixed Distribution                         Distribution      Liquidation
                   Preference     Rate Per Unit Per     Fixed Distribution   Rate Becomes     Preference Per
     Units         Per Unit)            Annum               Per Annum          Floating           Unit)
                                                          (Thousands of
                                                             Dollars)
                                                                                             Three-month
Series A                                                                     December 15,    LIBOR plus
Preferred Units          8.50%   $            2.125     $         19,252     2021            6.766%
                                                                                             Three-month
Series B                                                                                     LIBOR plus

Preferred Units 7.625% $ 1.90625 $ 29,357

  June 15, 2022   5.643%
Series C                                                                     December 15,    Three-month
Preferred Units          9.00%   $             2.25     $         15,525     2022            LIBOR plus 6.88%



The distribution rate on our Series D Cumulative Convertible Preferred Units
(the Series D Preferred Units) is: (i) 9.75% per annum (or $0.619 per unit per
distribution period) for the first two years (beginning with the September 17,
2018 distribution); (ii) 10.75% per annum (or $0.682 per unit per distribution
period) for years three through five; and (iii) the greater of 13.75% per annum
(or $0.872 per unit per distribution period) or the distribution per common unit
thereafter. While the Series D Preferred Units are outstanding, the Partnership
will be prohibited from paying distributions on any junior securities, including
the common units, unless full cumulative distributions on the Series D Preferred
Units (and any parity securities) have been, or contemporaneously are being,
paid or set aside for payment through the most recent Series D Preferred Unit
distribution payment date. Any Series D Preferred Unit distributions in excess
of $0.635 may be paid, in the Partnership's sole discretion, in additional
Series D Preferred Units, with the remainder paid in cash.


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In April 2020, our board of directors declared distributions with respect to the
Series A, B and C Preferred Units and the Series D Preferred Units to be paid on
June 15, 2020.

Debt Obligations Our debt obligations as of March 31, 2020 are listed below: • Revolving Credit Agreement due October 27, 2023, with $500.0 million of

borrowings outstanding as of March 31, 2020;

• 4.80% senior notes due September 1, 2020 with a face value of $450.0

million; 6.75% senior notes due February 1, 2021 with a face value of

$300.0 million; 4.75% senior notes due February 1, 2022 with a face value

of $250.0 million; 6.0% senior notes due June 1, 2026 with a face value of

$500.0 million; 5.625% senior notes due April 28, 2027 with a face value

of $550.0 million; and subordinated notes due January 15, 2043 with a face

value of $402.5 million and a floating interest rate, which was 8.6% as of

March 31, 2020;

$322.1 million in GoZone Bonds due from 2038 to 2041; and

• Receivables Financing Agreement due September 20, 2021, with $67.8 million

of borrowings outstanding as of March 31, 2020.





As discussed in the "Debt Sources of Liquidity" section above, in April 2020 we
entered into the Term Loan, and we utilized the net proceeds from the initial
$500.0 million loan under the Term Loan to repay outstanding borrowings under
the Revolving Credit Agreement. Please refer to Note 14 of the Condensed Notes
to Consolidated Financial Statements in Item 1. "Financial Statements" for
additional information on the Term Loan.

We expect to fund senior note maturities in 2020 and 2021 by utilizing proceeds
from senior note issuances in the capital markets, borrowings under our
Revolving Credit Agreement or the Term Loan we entered into in April 2020, which
is defined and described in Note 14 of the Condensed Notes to Consolidated
Financial Statements in Item 1. "Financial Statements." Although the Term Loan
provides us the financial flexibility to fund these maturities in the near term,
we plan to continue to monitor the debt capital markets for opportunities to
raise additional capital at favorable terms.

The interest rates on the GoZone Bonds currently are based on a weekly
tax-exempt bond market interest rate. At the option of NuStar Logistics, during
any period when the bonds bear interest at a daily or weekly rate, the GoZone
Bonds may be redeemed in whole or in part on any interest payment date for 100%
of the outstanding principal amount plus accrued interest to the redemption
date. In addition, the holders of the GoZone Bonds may periodically require that
the GoZone Bonds be repurchased, in whole or in part, requiring us to remarket
the bonds. Since their issuance, the GoZone Bonds have been remarketed on a
regular basis and are expected to continue to be remarketed; however, if they
were not, then we would be required to repurchase and hold those instruments
until they are remarketed.

Management believes that, as of March 31, 2020, we are in compliance with the
ratios and covenants contained in our debt instruments. A default under certain
of our debt agreements would be considered an event of default under other of
our debt instruments. Please refer to Notes 5 and 14 of the Condensed Notes to
Consolidated Financial Statements in Item 1. "Financial Statements" for a
discussion of certain of our debt agreements.

Interest Rate Swaps
As of March 31, 2020 and December 31, 2019, we were a party to forward-starting
interest rate swap agreements that terminate in September 2020, for the purpose
of hedging interest rate risk related to a forecasted debt issuance. As of
March 31, 2020, these forward-starting interest rate swaps have an aggregate
notional amount of $250.0 million and a fair value of $49.0 million recorded in
"Accrued liabilities" on the consolidated balance sheet. Please refer to Note 7
of the Condensed Notes to Consolidated Financial Statements in Item 1.
"Financial Statements" for a more detailed discussion of our interest rate
swaps.
Environmental, Health and Safety
Our operations are subject to extensive international, federal, state and local
environmental laws and regulations, in the U.S. and in the other countries in
which we operate, including those relating to the discharge of materials into
the environment, waste management, remediation, the characteristics and
composition of fuels, climate change and greenhouse gases. Our operations are
also subject to extensive health, safety and security laws and regulations,
including those relating to worker and pipeline safety, pipeline and storage
tank integrity and operations security. Because more stringent environmental and
safety laws and regulations are continuously being enacted or proposed, the
level of expenditures required for environmental, health and safety matters is
expected to increase in the future.


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Contingencies


We are subject to certain loss contingencies, and we believe that the resolution
of any particular claim or proceeding, or all matters in the aggregate, would
not have a material adverse effect on our results of operations, financial
position or liquidity, as further disclosed in Note 6 of the Condensed Notes to
Consolidated Financial Statements in Item 1. "Financial Statements."

CRITICAL ACCOUNTING POLICIES
The preparation of financial statements in accordance with U.S. generally
accepted accounting principles requires management to make estimates and
assumptions that affect the amounts reported in the consolidated financial
statements and accompanying notes. Actual results could differ from those
estimates. Ongoing uncertainty surrounding the COVID-19 pandemic, including its
duration and lingering impacts, and uncertainty surrounding future production
decisions by oil producing nations continue to cause volatility and could
significantly impact management's estimates and assumptions. Our remaining
critical accounting policies are disclosed in our Annual Report on Form 10-K for
the year ended December 31, 2019.

Impairment of Goodwill
We perform an assessment of goodwill annually or more frequently if events or
changes in circumstances warrant. We have the option to first perform a
qualitative annual assessment to determine whether it is necessary to perform a
quantitative goodwill impairment test. We performed a qualitative assessment as
of October 1, 2019, and determined it was not more likely than not that the
estimated fair value of each reporting unit exceeded its carrying value; thus,
goodwill was not impaired.

In March 2020, the COVID-19 pandemic and actions taken by OPEC+ resulted in
severe disruptions in the capital and commodities markets, which led to
significant decline in our unit price. As a result, our equity market
capitalization fell significantly. The decline in crude oil prices and demand
for petroleum products also led to a decline in expected earnings from some of
our goodwill reporting units. These factors and others related to COVID-19 and
OPEC+ caused us to conclude there were triggering events that occurred in March
that required us to perform a goodwill impairment test as of March 31, 2020.

In order to estimate the fair value of goodwill, management must make certain
estimates and assumptions that affect the total fair value of the reporting
unit. Management's estimates are based on numerous assumptions about future
operations and market conditions, which we believe to be reasonable but are
inherently uncertain. The uncertainties underlying our assumptions and estimates
could differ significantly from actual results, including with respect to the
duration and severity of the COVID-19 pandemic, the extent of travel
restrictions, business closures and other efforts to control the spread of
COVID-19 in impacted areas and actions by OPEC+, and could cause a different
conclusion about the fair value of our assets. If that were to occur, and we
determined goodwill was impaired, the amount of impairment could be material to
our results of operations.

We recognized a goodwill impairment charge of $225.0 million associated with our
crude oil pipelines in the first quarter of 2020. Our assessment did not
identify any other reporting units at risk of a goodwill impairment. Please
refer to Note 3 of the Condensed Notes to Consolidated Financial Statements in
Item 1. "Financial Statements" for discussion of the impairment charges and our
assumptions and estimates.

NEW ACCOUNTING PRONOUNCEMENTS
Please refer to Note 2 of the Condensed Notes to Consolidated Financial
Statements in Item 1. "Financial Statements" for a discussion of new accounting
pronouncements.

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