ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021

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ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
ATCO LTD.
                             FINANCIAL INFORMATION
                                          FOR THE SIX MONTHS ENDED June 30, 2021

CORPORATE OFFICE: 5302 FORAND ST SW, CALGARY, ALBERTA, CANADA T3E 8B4
TEL: 403-292-7500 WWW.ATCO.COM
ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
atco.com
  Q2 2021 INVESTOR FACT SHEET                                                                               STRUCTURES & LOGISTICS | NELTUME PORTS | CANADIAN UTILITIES

With approximately 6,200 employees and assets of $22 billion, ATCO is a diversified global corporation with investments in the
essential services of: Structures & Logistics (workforce and residential housing, innovative modular facilities, construction, site support
services, workforce lodging services, facility operations and maintenance, defence operations services, and disaster and emergency
management services); Utilities (electricity and natural gas transmission and distribution, international electricity operations, and
international natural gas distribution); Energy Infrastructure (electricity generation, energy storage and industrial water solutions);
Retail Energy (electricity and natural gas retail sales); Transportation (ports and transportation logistics); and Commercial Real Estate.

  TRACK RECORD OF DIVIDEND GROWTH                                                                           DIVERSIFIED ESSENTIAL SERVICES
                                                                                                           ATCO’s investments put us at the forefront of global trends. We deliver the
                                                                                                           enduring essentials required for a healthy global economy.
                                                                                       $0.4483
        28-year track record of increasing
           common share dividends*

   93           97           01            05            09             13            17              21
* On July 22, 2021, ATCO declared a third quarter dividend of 44.83 cents per share, or
  $1.79 per share annualized.

  ATCO AT A GLANCE                                                                                          GLOBAL GROWTH

74-year history in more than 100 countries
“A-” rating by Standard & Poor’s; “A” (low) rating by DBRS Limited
Total Assets                                         $22 Billion
Modular Building Manufacturing                       6 Globally (1 Canada, 1 United States,
Locations                                            2 Australia, 1 Chile, 1 Mexico)
Electric Powerlines                                  75,000 kms
Pipelines                                            64,000 kms
Power Generation Operated                            398 MW *
Power Generation Owned                               294 MW *
Water Infrastructure Capacity                        85,200 m3/d **
Natural Gas Storage Capacity                         52 PJ ***
Natural Gas Liquids Capacity                         400,000 m3 ****
Ports and Port Operations                            17 Ports, 3 Port Operation Services
                                                                                                                   Canadian Utilities, Structures                    Neltume Ports, Structures &
  *megawatts, name plate capacity, includes ownership of subsidiaries        **cubic metres per day
  ***petajoules                                                              ****cubic metres
                                                                                                                   & Logistics, Commercial Real                      Logistics, and Canadian Utilities
                                                                                                                   Estate and ASHCOR
                                                                                                                                                                    Structures & Logistics and
  ATCO SHARE INFORMATION                                                                                           Neltume Ports                                    Neltume Ports

                                                                                                                                                                     Canadian Utilities and
Common Shares (TSX): ACO.X, ACO.Y                                                                                  Canadian Utilities                                Structures & Logistics
Market Capitalization                                      $5 billion *
                                                                                                                          We continue to grow and expand our
Weighted Average Common Shares                                                                                                  international business
                                                           114.2 million *
Outstanding

  *As of June 30, 2021                                                                                     Adjusted earnings are earnings attributable to Class I and Class II Shares after adjusting for the
                                                                                                           timing of revenues and expenses associated with rate-regulated activities and unrealized gains
It is important for prospective owners of ATCO shares to understand that ATCO is a diversified             or losses on mark-to-market forward and swap commodity contracts. Adjusted earnings also
group of companies principally controlled by Sentgraf, a Southern family holding company. It is            exclude one-time gains and losses, impairments, and items that are not in the normal course
also important for present and prospective share owners to understand that the ATCO share                  of business or a result of day-to-day operations. Certain statements in this document contain
registry has both Class I Non-Voting (ACO.X) and Class II Voting (ACO.Y) common shares.                    forward-looking information. Please refer to our forward-looking information disclaimer in
                                                                                                           ATCO’s management’s discussion and analysis for more information.
ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
Q2 2021 RESULTS
                CONSOLIDATED REVENUES                                     CONSOLIDATED ADJUSTED EARNINGS

                     $938 M             $970 M
                                                                                                       $80 M
                                                                                       $70 M

                     Q2 2020            Q2 2021                                       Q2 2020         Q2 2021

STRUCTURES & LOGISTICS                                                                                 ADJUSTED EARNINGS
 •   Lower earnings were mainly due to ATCO Structures' lower workforce housing trade sale
                                                                                                            $21 M
     activity in Canada, Australia and the United States (US). Lower adjusted earnings were
     partially offset by ATCO Structures' higher space rental activity in Canada, Australia and the
     US, and ATCO Frontec's recently awarded workforce housing service contract for the Trans                       $18 M
     Mountain Expansion project.
 •   Awarded a $13 million supportive housing contract in Vernon, BC for a
     four-VWRU\-unit building. This is our sixth affordable housing project. Site work and
     manufacturing for this project is expected to commence in the third quarter of 2021.
 •   Awarded a supply contract with a mining client in Nunavut for a 276-bed accommodation
     complex. The project involved the deployment of fleet product which was repurposed to
     withstand the environment in the region and was fully delivered in July 2021.
                                                                                                          Q2 2020 Q2 2021

    NELTUME PORTS                                                                                      ADJUSTED EARNINGS
•    Higher adjusted earnings were mainly due to unplanned equipment maintenance activity at
     the Puerto Mejillones port in 2020, and higher volumes in 2021 across our portfolio of                         $3 M
     ports.                                                                                                $2 M
•    Held a grand opening on June 2, 2021 for the AutoMobile International Terminal, a 50/50
     joint venture (JV) partnership with Terminal Zarate in Mobile, Alabama. The terminal is now
     in service and primarily supports the import and export requirements of the automotive
     market in the US.                                                                                    Q2 2020   Q2 2021

CANADIAN UTILITIES                                                                                     ADJUSTED EARNINGS
• Higher earnings were mainly due to contributions from International Electricity Operations,
  a higher inflation rate in International Natural Gas Distribution, and cost efficiencies,
                                                                                                                     $60 M
  partially offset by the impact of the Electricity Transmission 2018-2019 General Tariff
  Application Compliance Filing decision received in the second quarter of 2021, which relates
  to prior periods.
                                                                                                           $48 M
• Received a decision from the Alberta Utilities Commission approving the acquisition of
  the 131-km Pioneer Pipeline for the purchase price and associated integration costs of
  $265 million.
• LUMA Energy commenced operations on June 1, 2021 under the Supplemental Agreement
  to its 15-year contract to modernize and operate Puerto Rico’s electricity transmission and
  distribution system after successful completion of the one-year transition period.
• Announced a partnership with Suncor Energy in May 2021 to collaborate on early-stage
  design and engineering of a clean hydrogen project near Fort Saskatchewan, Alberta. A
  sanctioning decision for the project is expected in 2024.                                               Q2 2020   Q2 2021

Investor Relations, c/o ATCO Ltd.                                          InvestorRelations@atco.com
3rd Floor, West Building
                                                                           T: (403) 292-7500 | F: (403) 292-7532
5302 Forand Street SW, Calgary, Alberta, Canada T3E 8B4
ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
2021 SECOND QUARTER FINANCIAL
INFORMATION
INVESTOR FACT SHEET

MANAGEMENT'S DISCUSSION AND ANALYSIS

UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

FOR THE SIX MONTHS ENDED JUNE 30, 2021

TABLE OF CONTENTS

Management’s Discussion and Analysis                  4

Consolidated Financial Statements                     40
ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
ATCO LTD.
          MANAGEMENT’S DISCUSSION AND
                  ANALYSIS
                                       FOR THE SIX MONTHS ENDED JUNE 30, 2021

This Management's Discussion and Analysis (MD&A) is meant to help readers understand key operational and financial events
that influenced the results of ATCO Ltd. (ATCO, our, we, us, or the Company) during the six months ended June 30, 2021.

This MD&A was prepared as of July 28, 2021, and should be read with the Company's unaudited interim consolidated financial
statements for the six months ended June 30, 2021. Additional information, including the Company's previous MD&As, Annual
Information Form (2020 AIF), and audited consolidated financial statements for the year ended December 31, 2020, is available
on SEDAR at www.sedar.com. Information contained in the 2020 MD&A is not discussed in this MD&A if it remains substantially
unchanged.

The Company is controlled by Sentgraf Enterprises Ltd. and its controlling share owner, the Southern family. The Company
includes controlling positions in Canadian Utilities Limited (Canadian Utilities or CU) (53.0 per cent ownership), ATCO Structures &
Logistics Ltd. (ATCO Structures & ATCO Frontec) (100 per cent ownership), ATCO Land and Development Ltd. (100 per cent
ownership), and ASHCOR Technologies Ltd. (100 per cent ownership). The Company also has a non-controlling equity investment
in Neltume Ports S.A. (Neltume Ports) (40 per cent ownership). Throughout this MD&A, the Company's earnings attributable to
Class I and Class II Shares and adjusted earnings are presented after non-controlling interests.

Terms used throughout this MD&A are defined in the Glossary at the end of this document.

                                                                     ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS                 4
ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
TABLE OF CONTENTS
                                                                                                                                                                                                         Page
    Performance Overview.............................................................................................................................................................                      6
    Business Unit Performance.....................................................................................................................................................                         9
      Structures & Logistics.............................................................................................................................................................                  9
      Neltume Ports..........................................................................................................................................................................             13
      ATCO Corporate & Other.......................................................................................................................................................                       14
      Canadian Utilities....................................................................................................................................................................              15
             Utilities ...............................................................................................................................................................................    15
                 Utilities Regulatory Developments...........................................................................................................................                             17
             Energy Infrastructure......................................................................................................................................................                  18
             Canadian Utilities Corporate & Other..........................................................................................................................                               20
    Sustainability, Climate Change and Energy Transition......................................................................................................                                            21
    Other Expenses and Income...................................................................................................................................................                          22
    Liquidity and Capital Resources..............................................................................................................................................                         24
    Share Capital...............................................................................................................................................................................          27
    Quarterly Information...............................................................................................................................................................                  28
    Non-GAAP and Additional GAAP Measures.........................................................................................................................                                        30
    Reconciliation of Adjusted Earnings to Earnings Attributable to Class I and Class II Shares....................................                                                                       31
    Reconciliation of Funds Generated by Operations to Cash Flows from Operating Activities...................................                                                                            35
    Reconciliation of Capital Investment to Capital Expenditures.........................................................................................                                                 36
    Other Financial Information ...................................................................................................................................................                       37
    Glossary........................................................................................................................................................................................      38

5       ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
PERFORMANCE OVERVIEW
FINANCIAL METRICS
The following chart summarizes key financial metrics associated with our financial performance.

                                                                                    Three Months Ended                               Six Months Ended
                                                                                               June 30                                        June 30

($ millions, except per share data and outstanding shares)               2021          2020       Change           2021              2020     Change

Key Financial Metrics
Revenues                                                                970            938             32        2,042         1,994              48
                                 (1)
Adjusted earnings (loss)                                                  80            70             10          199           176              23
    Structures & Logistics                                                18            21             (3)           32               28           4
    Neltume Ports                                                           3             2             1             6                5           1
    ATCO Corporate & Other                                                 (1)           (1)           —             —                —           —
    Canadian Utilities Limited
       Utilities                                                          65            57              8          171           156              15
       Energy Infrastructure                                                4             2             2              9               5           4
       Canadian Utilities Corporate & Other                                (9)         (11)             2           (19)             (18)         (1)
                                           (1)
Adjusted earnings ($ per share)                                         0.70          0.61          0.09          1.74           1.54           0.20
Earnings attributable to Class I and Class II
Shares                                                                    12            45            (33)           95          132             (37)
Earnings attributable to Class I and Class II
Shares ($ per share)                                                    0.10          0.39         (0.29)         0.83           1.15          (0.32)
Cash dividends declared per Class I and Class II
Share (cents per share)                                               44.83         43.52           1.31         89.66         87.04            2.62
                                           (1)
Funds generated by operations                                           414            378             36          905           894              11
                          (1)
Capital investment                                                      507            226           281           760           529            231

Other Financial Metrics
Weighted average Class I and Class II Shares
outstanding (thousands):
   Basic                                                           114,184        114,411           (227)     114,243       114,382             (139)
   Diluted                                                         114,500        114,682           (182)     114,526       114,700             (174)
(1) Additional information regarding these measures is provided in the Non-GAAP and Additional GAAP Measures section of this MD&A.

REVENUES
Revenues for the second quarter of 2021 were $970 million, $32 million higher than the same period in 2020. Higher
revenues were mainly due to improved performance at ATCOenergy resulting from higher electricity and natural
gas commodity prices associated with floating rate energy contracts.

ADJUSTED EARNINGS
Our adjusted earnings in the second quarter of 2021 were $80 million or $0.70 per share, compared to $70 million
or $0.61 per share for the same period in 2020.
Higher adjusted earnings in the second quarter of 2021 were mainly due to earnings from International Electricity
Operations related to ongoing transition work and the commencement on June 1, 2021 under the Supplemental
Agreement to LUMA Energy's 15-year contract to modernize and operate Puerto Rico's electricity transmission and
distribution (T&D) system. Higher earnings were also due to a return to more stable levels of inflation in Australia,
which positively impacted earnings in International Natural Gas Distribution.

                                                                                 ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS                      6
ATCO LTD. FINANCIAL INFORMATION - FOR THE SIX MONTHS ENDED June 30, 2021
Adjusted Earnings ($ Millions)

                                                                                     $12               $80
             $70                                  $1               $—

                               $(3)

           Q2 2020        Structures &        Neltume            ATCO            Canadian           Q2 2021
                            Logistics          Ports          Corporate &         Utilities
                                                                 Other

    Additional detail on the financial performance of our business units is discussed in the Business Unit Performance
    section of this MD&A.

    EARNINGS ATTRIBUTABLE TO CLASS I AND CLASS II SHARES
    Earnings attributable to Class I and Class II Shares were $12 million in the second quarter of 2021, $33 million lower
    compared to 2020. Earnings attributable to Class I and Class II Shares include timing adjustments related to rate-
    regulated activities, unrealized gains or losses on mark-to-market forward and swap commodity contracts, one-time
    gains and losses, impairments, and items that are not in the normal course of business or a result of day-to-day
    operations. These items are not included in adjusted earnings.

    More information on these and other items is included in the Reconciliation of Adjusted Earnings to Earnings
    Attributable to Class I and Class II Shares section of this MD&A.

    FUNDS GENERATED BY OPERATIONS
    Funds generated by operations were $414 million in the second quarter of 2021, $36 million higher compared to
    the same period in 2020. The increase was mainly due to higher customer contributions for Canadian Utilities'
    Electricity Transmission and International Natural Gas Distribution capital investments, partially offset by the timing
    of certain revenues and expenses.

    COMMON SHARE DIVIDENDS
    Dividends paid to Class I and Class II share owners totaled $52 million in the second quarter of 2021. On
    July 22, 2021, the Board of Directors declared a third quarter dividend of 44.83 cents per share.

7      ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
Quarterly Dividend Rate 1993 - 2021
                                           (dollars per share)

                                                                                                $0.4483

   93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21

CAPITAL INVESTMENT
Total capital investment of $507 million and $760 million
in the second quarter and first six months of 2021 was                      Capital Investment for the
$281 million and $231 million higher compared to the                     Six Months Ended June 30, 2021
same periods in 2020 mainly due to Canadian Utilities'
acquisition of the Pioneer Pipeline in Natural Gas
Transmission, and the strategic purchase of                                                               17%
development lands by ATCO Land & Development.
Capital spending in Canadian Utilities' Regulated Utilities
accounted for 83 per cent of total capital invested in the
first six months of 2021. The remaining 17 per cent
invested largely included the strategic purchase of
development lands by ATCO Land & Development.

                                                                   83%

                                                                              Regulated Utilities
                                                                              ATCO Structures & Other

                                                              ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS   8
BUSINESS UNIT PERFORMANCE

    REVENUES
    Structures & Logistics revenues of $181 million and $348 million in the second quarter and first six months of 2021
    were $20 million and $24 million lower than the same periods in 2020 mainly due to ATCO Structures' lower
    workforce housing trade sale activity in 2021 in Canada and Australia, and the completion of manufacturing work on
    ATCO Structures' LNG Canada Cedar Valley Lodge project in the second quarter of 2020. Lower revenues were
    partially offset by ATCO Structures' space rental performance, recently awarded ATCO Frontec workforce housing
    service contracts for the Trans Mountain and China Lake Military Rebuild projects, and ongoing Disaster &
    Emergency Management response projects.

    ADJUSTED EARNINGS

                                                                  Three Months Ended                     Six Months Ended
                                                                             June 30                              June 30
    ($ millions)                                       2021        2020      Change         2021        2020      Change

    ATCO Structures                                     16          21           (5)         29          28               1
    ATCO Frontec                                         2           —            2           3           —               3

    Total Structures & Logistics                        18          21           (3)         32          28               4

    Structures & Logistics recorded adjusted earnings of $18 million in the second quarter of 2021, $3 million lower
    than the same period in 2020. Lower earnings were mainly due to ATCO Structures' lower workforce housing trade
    sale activity in Canada, Australia and the United States (US). Lower adjusted earnings were partially offset by ATCO
    Structures' higher space rental activity in Canada, Australia, and the US, and ATCO Frontec's recently awarded
    workforce housing service contract for the Trans Mountain Expansion project.
    Structures & Logistics recorded adjusted earnings of $32 million in the first six months of 2021, $4 million higher
    than the same period in 2020. Higher earnings were mainly due to ATCO Structures' higher space rental activity and
    higher occupancy at ATCO Frontec's Site C camp. Higher earnings were partially offset by lower ATCO Structures
    workforce housing trade sale activity in Canada, Australia and the US.

    ATCO STRUCTURES
    ATCO Structures manufactures, sells and leases transportable workforce housing, residential housing, and space
    rental products. Space rentals sells and leases mobile office trailers in various sizes and floor plans to suit our
    customers’ needs. Workforce housing delivers modular workforce housing worldwide, including short-term and
    permanent modular construction, pre-fabricated and relocatable modular buildings.
    ATCO Structures recorded adjusted earnings of $16 million in the second quarter of 2021, $5 million lower than the
    same period in 2020 mainly due to lower workforce housing trade sale activity in Canada, Australia and the US,
    partially offset by higher space rental activity in Canada, Australia and the US.
    ATCO Structures recorded adjusted earnings of $29 million in the first six months of 2021, $1 million higher than the
    same period in 2020 mainly due to higher space rental activity, partially offset by lower workforce housing trade
9      ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
sale activity in Canada, Australia and the US, and the completion of manufacturing work on the LNG Canada Cedar
Valley Lodge project in the second quarter of 2020.
The following table compares ATCO Structures' manufacturing hours and rental fleet for the second quarter and
first six months of 2021 and 2020.
                                                                      Three Months Ended                Six Months Ended
                                                                                 June 30                         June 30
                                                           2021         2020     Change      2021       2020     Change

North America
Manufacturing hours (thousands)                            130          157       (17%)      250        507       (51%)

Global Space Rentals
Number of units                                        19,475        16,767        16%     19,475    16,767        16%
Average utilization (%)                                     82           71        11%        81         71        10%
Average rental rate ($ per month)                          675          656         3%       629        583         8%

Global Workforce Housing
Number of units                                          2,452        2,772       (12%)     2,452     2,772       (12%)
Average utilization (%)                                     66           46        20%        63         46        17%
Average rental rate ($ per month)                        1,487        1,359         9%      1,674     1,502        11%

Manufacturing Hours
The decrease in manufacturing hours in the second quarter of 2021 was mainly due to the completion of
manufacturing on the LNG Canada Cedar Valley Lodge project in the second quarter of 2020.

Rental Fleet
Global Space Rentals

ATCO Structures increased its global space rental fleet size by 2,708 units year-over-year. The increase in the
number of space rental units was mainly due to the acquisition of the remaining 50 per cent interest in the ATCO
Sabinco S.A. joint venture partnership on December 30, 2020 and the continued strategic expansion of the space
rental fleet in targeted regions in Canada and the US.
In the second quarter of 2021, space rental demand increased in Canada, Australia, the US and Chile mainly due to
an increase in activity in the construction and mining sectors, as well as a result of physical distancing protocols in
response to the COVID-19 pandemic. This increase in demand produced an increase in utilization and average
rental rates.
Global Workforce Housing

ATCO Structures continuously evaluates the size of its global workforce housing fleet in relation to economic
conditions and seeks to balance unit counts, utilization rates and average rental rates. ATCO Structures decreased
the size of its unused workforce housing fleet and increased the average utilization rate year-over-year by selling
used and non-utilized fleet assets in Canada, Australia and the US. The increase in the utilization rate was also due
to the workforce housing fleet on rent for the Trans Mountain Expansion project in British Columbia (BC). Workforce
housing average rental rates have increased from the prior year as a result of higher overall economic activity and a
shift in customer demand towards the higher priced lower density workforce housing options in Canada.

                                                                  ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS       10
ATCO STRUCTURES RECENT DEVELOPMENTS

 Canada
 Brucejack - Pretium Exploration Inc.

 ATCO Structures has commenced manufacturing and installation work on its previously awarded contract to supply
 a 450-person camp for Pretium Exploration Inc.’s Brucejack operations in Northwest BC. The contract includes the
 supply of accommodation dorms with complete kitchen and recreation amenities. Installation work is expected to
 be complete by the end of 2021.
 BC Housing - Government of British Columbia

 In 2020, ATCO Structures secured several projects
 with the Government of British Columbia's
 supportive housing program. The housing projects
 will provide affordable housing to low income
 individuals and families across the province.
 In the second quarter of 2021, ATCO Structures
 continued work on its previously awarded Surrey, BC
 affordable housing project and was awarded an
 additional $13 million supportive housing contract in
 Vernon, BC for a four-story, 61-unit building. This is
 our sixth affordable housing project. Site work and
 manufacturing is expected to commence in the third
 quarter of 2021.
                                                             61-unit supportive housing complex - Surrey, BC

 Sabina Gold

 In the second quarter of 2021, ATCO Structures was awarded a supply contract for a 276-bed accommodation
 complex for a mining client in Nunavut. The project consists of deployment of fleet product which has been
 repurposed to withstand the environment in the region. The product was fully delivered in July 2021.

11   ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
ATCO FRONTEC
ATCO Frontec provides facility operations and maintenance services, workforce lodging and support services,
defense operations services, and disaster and emergency management services.
ATCO Frontec's adjusted earnings of $2 million in the second quarter of 2021 were $2 million higher than the same
period in 2020 mainly due to recently awarded workforce housing service contracts for the Trans Mountain
Expansion project, and ongoing Disaster & Emergency Management response projects.
ATCO Frontec's adjusted earnings of $3 million in the first six months of 2021 were $3 million higher than the same
period in 2020 mainly due to higher occupancy at the Site C workforce housing camp in BC, recently awarded
workforce housing service contracts for the Trans Mountain Expansion project, and ongoing Disaster & Emergency
Management response projects.

UQSUQ Operations Airside Crew - Iqaluit, Nunavut

ATCO FRONTEC RECENT DEVELOPMENTS
In June 2007, the Government of Nunavut awarded UQSUQ, a joint venture between ATCO Frontec and Nunavut
Petroleum Corporation, a contract for bulk fuel delivery services in Iqaluit, Nunavut. The contract involves operating
and maintaining the Iqaluit bulk fuel storage facility and pipeline distribution system and the delivery of petroleum
products.
The current contract is in place until the fourth quarter of 2021. In late 2020, UQSUQ engaged in a competitive bid
process for a new 10-year contract with a 5-year extension option. In the second quarter of 2021, ATCO Frontec
received confirmation that UQSUQ has successfully secured this critical infrastructure contract; reinforcing ATCO's
commitment to Northern Canada and its Indigenous partners.

                                                              ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS       12
Neltume Ports is a port operator and developer with a diversified portfolio of 17 multi-purpose, bulk cargo and
 container port facilities and three port operation services. The business is located primarily in Chile with additional
 operations in Uruguay, Argentina, Brazil and the US.

 ADJUSTED EARNINGS

                                                                            Three Months Ended           Six Months Ended
                                                                                       June 30                    June 30
 ($ millions)                                                        2021       2020   Change     2021     2020   Change

 Neltume Ports                                                          3          2        1       6         5        1

 Neltume Ports' adjusted earnings of $3 million and $6 million in the second quarter and first six months of 2021
 were $1 million higher than the same periods in 2020 mainly due to unplanned equipment maintenance activity at
 the Puerto Mejillones port in 2020, and higher volumes in 2021 across the portfolio of ports.

 RECENT DEVELOPMENTS
 On June 2, 2021, AutoMobile International Terminal (AIT), a 50/50 joint venture (JV) partnership with Terminal Zarate
 in Mobile, Alabama had their grand opening and is now in service. The terminal is operating under a 10-year
 concession agreement with two consecutive 10-year extensions at the JV's election for a total of up to 30 years.
 The port will primarily serve the import and export requirements of the automotive market in the US.

13   ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
ATCO Corporate & Other contains ATCO Land and Development Ltd. which is a commercial real estate business that
holds investments for sale, lease or development, as well as ASHCOR, a company engaged in the processing and
marketing of ash, a waste byproduct of electricity generation. ATCO Corporate & Other also includes the global
corporate head office in Calgary, Canada, ATCO licensing fees received, and financing expenses associated with the
Neltume Ports investment.

ADJUSTED EARNINGS

                                                                   Three Months Ended               Six Months Ended
                                                                              June 30                        June 30
($ millions)                                            2021         2020     Change      2021      2020     Change

ATCO Corporate & Other                                   (1)          (1)         —        —          —            —

ATCO Corporate & Other adjusted earnings in the second quarter and first six months of 2021 were comparable to
the same periods in 2020.

                                                               ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS   14
Canadian Utilities is a diversified global energy infrastructure corporation delivering service excellence and
 innovative business solutions in Utilities (Electricity and Natural Gas Transmission and Distribution, and
 International Electricity Operations); Energy Infrastructure (Electricity Generation, Energy Storage, and Industrial
 Water Solutions); and Retail Energy (Electricity and Natural Gas Retail Sales).

 UTILITIES
 REVENUES
 Utilities revenues of $688 million and $1,478 million in the second quarter and first six months of 2021 were
 comparable to the same periods in 2020.
 Revenue growth for Electricity and Natural Gas Distribution in the second quarter and first six months of 2021 has
 been deferred to be recognized and collected in a future period as a result of our decision to provide rate relief to
 customers in light of the current COVID-19 global pandemic and the economic situation in Alberta.

 ADJUSTED EARNINGS

                                                                       Three Months Ended                Six Months Ended
                                                                                  June 30                         June 30
 ($ millions)                                                  2021       2020    Change       2021       2020    Change

 Electricity
     Electricity Distribution                                    19        17          2        41         35            6
     Electricity Transmission                                    19        23         (4)       42         46            (4)
     International Electricity Operations                         4         —          4          7        —             7
 Total Electricity                                               42        40          2        90         81            9

 Natural Gas
     Natural Gas Distribution                                     5          1         4        47         44            3
     Natural Gas Transmission                                    11        13         (2)       21         24            (3)
     International Natural Gas Distribution                       7          3         4        13          7            6
 Total Natural Gas                                               23        17          6        81         75            6
 Total Utilities Adjusted Earnings                               65        57          8       171        156           15

 Utilities adjusted earnings of $65 million and $171 million in the second quarter and first six months of 2021 were
 $8 million and $15 million higher than the same periods in 2020. Higher earnings were mainly due to contributions
 from International Electricity Operations, a higher inflation rate in International Natural Gas Distribution, and cost
 efficiencies, partially offset by the impact of the Electricity Transmission 2018-2019 General Tariff Application (GTA)
 Compliance Filing decision received in the second quarter of 2021.
 Detailed information about the activities and financial results of the Utilities business segments is provided in the
 following sections.

15   ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
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                                                              ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS         16
International Natural Gas Distribution adjusted earnings of $7 million and $13 million in the second quarter and first
 six months of 2021 were $4 million and $6 million higher compared to the same periods in 2020. Higher earnings
 were mainly due to the impact of a higher forecasted inflation rate and a settlement relating to the 2011 acquisition
 of ATCO Gas Australia.

 UTILITIES REGULATORY DEVELOPMENTS

 COMMON MATTERS

 2021 Rate Relief Application
 On March 1, 2021, ATCO filed a 2021 Rate Relief Application for Electricity Distribution and Natural Gas Distribution
 to postpone rate increases for the full year 2021 and collect the deferred amounts commencing in 2023 for no more
 than a 5-year period. On June 18, 2021, the AUC issued a decision directing ATCO to collect the 2021 deferred
 amounts commencing January 1, 2022, over a short duration, without exceeding a prescribed maximum increase in
 any year during the collection process. The majority of the deferred amounts are expected to be collected in 2022,
 with the remainder to be collected in 2023.

 Distribution Regulatory Framework - Post 2022
 On June 18, 2021, the AUC issued a decision providing direction regarding the 2023 cost of service application
 process. Each distribution utility is to present its application using an AUC-developed template with a prescribed
 minimum level of detail. Electricity Distribution is required to file its application by November 15, 2021, and Natural
 Gas Distribution is required to file its application by December 15, 2021.
 On June 30, 2021, the AUC issued a decision relating to the Evaluation of Performance-Based Regulation in Alberta.
 The Commission determined that PBR has achieved many of the set principle objectives and that a third PBR term
 (PBR3) will commence in 2024 after a one year cost of service rebasing in 2023. A future generic proceeding will be
 initiated in the third quarter of 2022 to determine the parameters of PBR3, including a review of incremental capital
 funding provisions, the inflation (I) and productivity (X) factors, and consideration of an earnings sharing
 mechanism.

 ELECTRICITY TRANSMISSION

 2018-2019 General Tariff Application
 On June 29, 2021, the AUC issued a decision on the 2018-2019 GTA Compliance Filing which determined Electricity
 Transmission’s final revenue requirement for 2018 and 2019. The impact of this decision is a decrease to second
 quarter 2021 adjusted earnings of $4 million, all of which relates to prior periods.

 NATURAL GAS TRANSMISSION

 Pioneer Pipeline Acquisition
 In the third quarter of 2020, Natural Gas Transmission entered into an agreement to acquire the Pioneer Pipeline
 from Tidewater Midstream & Infrastructure Ltd. and its partner TransAlta Corporation, subject to customary
 conditions including regulatory approvals by the AUC and Alberta Energy Regulator.
 The 131-km natural gas pipeline runs from the Drayton Valley area to the Wabamum area west of Edmonton. On
 June 15, 2021, the AUC issued a decision approving the acquisition of the pipeline and associated integration costs,
 totaling $265 million, and the corresponding revenue requirement for 2021 to be included in Natural Gas
 Transmission's rates.
 Consistent with the geographic areas defined in the Integration Agreement, Natural Gas Transmission will transfer
 to Nova Gas Transmission Ltd. (NGTL) the 30-km segment of pipeline that is located in the NGTL footprint for
 approximately $65 million. The pipeline has been integrated but is subject to approval from the Canada Energy
 Regulator and is expected to close in the fourth quarter of 2021.
 With the close of the transaction on June 30, 2021, the Pioneer Pipeline has been incorporated into NGTL's and
 ATCO's Alberta regulated natural gas transmission systems to provide reliable natural gas supply to TransAlta's

17   ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
power generating units at Sundance and Keephills, facilitating the conversion of these coal plants to cleaner-burning
natural gas.

ENERGY INFRASTRUCTURE
REVENUES
Energy Infrastructure revenues of $39 million in the second quarter of 2021 were $5 million lower than the same
period in 2020 mainly due to demand for natural gas storage services.
Energy Infrastructure revenues of $91 million in the first six months of 2021 were $1 million higher than the same
period in 2020 mainly due to demand for natural gas storage services.

ADJUSTED EARNINGS

                                                                     Three Months Ended                 Six Months Ended
                                                                                June 30                          June 30
($ millions)                                                  2021      2020     Change       2021      2020    Change

Electricity Generation                                          1          1         —          4          3           1
Storage & Industrial Water                                      3          1         2          5          2           3
Total Energy Infrastructure Adjusted Earnings                   4          2         2          9          5           4

Energy Infrastructure adjusted earnings of $4 million in the second quarter of 2021 were $2 million higher than the
same period in 2020 mainly due to recovered business development costs, partially offset by lower demand for
natural gas storage services.
Energy Infrastructure adjusted earnings of $9 million in the first six months of 2021 were $4 million higher than the
same period in 2020 mainly due to recovered business development costs and demand for natural gas storage
services.
Detailed information about the activities and financial results of Energy Infrastructure's businesses is provided in
the following sections.

Electricity Generation
Non-regulated electricity activities supply electricity from natural gas and hydroelectric generating plants in Western
Canada, Australia, Chile, Mexico, and non-regulated electricity transmission in Alberta.
Electricity Generation adjusted earnings of $1 million in the second quarter of 2021 were comparable to the same
period in 2020.
Electricity Generation adjusted earnings of $4 million in the first six months of 2021 were $1 million higher than the
same period in 2020. Higher earnings were mainly due to recovered business development costs.

Storage & Industrial Water
Storage & Industrial Water provides non-regulated natural gas storage and transmission activities, natural gas
liquids storage, and industrial water services in Alberta and the Northwest Territories.
Storage & Industrial Water adjusted earnings of $3 million and $5 million in the second quarter and first six months
of 2021 were $2 million and $3 million higher than the same periods in 2020 mainly due to demand for natural gas
storage services and recovered business development costs.

                                                              ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS          18
ENERGY INFRASTRUCTURE RECENT DEVELOPMENTS

 CANADIAN UTILITIES - SUNCOR Clean Hydrogen Project
 In May 2021, Canadian Utilities and Suncor Energy announced the decision to collaborate on early stage design and
 engineering of a potential clean hydrogen project. The project will produce more than 300,000 tons per year of
 clean hydrogen, while capturing greater than 90 per cent of the carbon emissions, reducing Alberta's carbon dioxide
 emissions by more than two million tons per year. The hydrogen production facility will be located at ATCO's
 Heartland Energy Centre near Fort Saskatchewan, Alberta, and is expected to be operational as early as 2028.
 Although several provincial and federal policies, fiscal programs and regulations have already been put in place to
 support significant decarbonization and the development of a leading low-carbon fuels industry, further regulatory
 certainty and fiscal support is required for the project to progress to a sanctioning decision. In addition to supplying
 clean hydrogen to Suncor and the Alberta gas grid, the project will make hydrogen volumes available for Alberta's
 other industrial, municipal and commercial transport users.

 Clean Energy Innovation Park
 In May 2021, Canadian Utilities and its joint venture partner, Australian Gas Infrastructure Group, received
 notification of $29 million AUD in conditional funding from the Australian Renewable Energy Agency (ARENA) to kick
 start the production of hydrogen through a large scale project at Canadian Utilities' proposed Clean Energy
 Innovation Park (CEIP) in Western Australia.
 The proposed project will leverage Canadian Utilities' learnings from its Clean Energy Innovation Hub, a pilot project
 which saw the company become the first in Australia to generate and use green hydrogen.
 The CEIP will include a 10-MW electrolyser and plant capable of producing up to four tonnes of hydrogen per day,
 along with storage and delivery to gas network injection points. The facility is planned to be co-located with a
 180-MW wind farm in Western Australia, which will provide the renewable energy to power the electrolyser.
 A final investment decision for this project is expected in the first quarter of 2022.

 Chile Solar Generation Facility
 In the fourth quarter of 2019, Canadian Utilities entered into a partnership with Impulso Capital, a Chilean
 developer, to build and operate the El Resplandor solar project. This project, located in Cabrero, Chile, provides
 solar energy to the Chilean electricity grid. The 3-MW of solar generation capacity was completed at the end of the
 second quarter of 2020 for a total investment of $4 million. Despite plans to expand the facility, Canadian Utilities
 has cancelled the remaining planned 6-MW of the project due to land zoning concerns.

19   ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
CANADIAN UTILITIES CORPORATE & OTHER
Canadian Utilities' Corporate & Other segment includes Rümi and Retail Energy through ATCOenergy which
provides retail electricity and natural gas services in Alberta. Corporate & Other also includes the global corporate
head office in Calgary, Canada, the Australia corporate head office in Perth, Australia and the Mexico corporate
head office in Mexico City, Mexico. Canadian Utilities' Corporate & Other includes CU Inc. and Canadian Utilities
preferred share dividend and debt expenses.

ADJUSTED EARNINGS

                                                                      Three Months Ended               Six Months Ended
                                                                                 June 30                        June 30
($ millions)                                                  2021       2020    Change       2021      2020    Change

Canadian Utilities Corporate & Other                            (9)      (11)         2       (19)      (18)        (1)

Including intersegment eliminations, Canadian Utilities' Corporate & Other adjusted earnings in the second quarter
of 2021 were $2 million higher than the same period in 2020 mainly due to improved earnings in ATCOenergy and
the timing of certain expenses.
Including intersegment eliminations, Canadian Utilities' Corporate & Other adjusted earnings in the first six months
of 2021 were $1 million lower than the same period in 2020 mainly due to the timing of certain expenses, partially
offset by improved earnings at ATCOenergy.

CANADIAN UTILITIES CORPORATE & OTHER RECENT DEVELOPMENTS

Rümi Launch
On June 3, 2021, Canadian Utilities launched Rümi, a solutions provider for home and business owners, offering
lifestyle products, home maintenance services and professional advice for homeowners.
Rümi is expected to create more than 200 jobs in Alberta over the next 3 years, while simultaneously supporting
Alberta businesses. Rümi currently offers approximately 60 services in Edmonton and Calgary, and more than 750
products for purchase online.

                                                              ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS         20
SUSTAINABILITY, CLIMATE CHANGE AND
 ENERGY TRANSITION
 Within our group of companies, we balance the short and long-term economic, environmental and social
 considerations of our businesses while creating value for our customers, employees, share owners, and Indigenous
 and community partners. As a provider of essential services in diverse communities around the world, we operate
 in an inclusive manner to meet the needs of society today and for generations to come.

 Sustainability Reporting
 In 2021, we completed a refresh of the material topics for our Sustainability Report, incorporating feedback from
 internal and external groups. Our 2020 Sustainability Report, published in May 2021, focused on the following
 material topics:
      •   Energy Transition - energy transition and innovation, and energy access and affordability;
      •   Climate Change and Environmental Stewardship - climate change and GHG emissions, and environmental
          stewardship;
      •   Operational Reliability and Resilience - system reliability and availability, and emergency preparedness and
          response;
      •   People - occupational health and safety, public safety, and diversity, inclusion and equity; and
      •   Community and Indigenous Relations - Indigenous engagement, economic opportunity and reconciliation,
          and community engagement and investment.
 The Sustainability Report is based upon the internationally recognized Global Reporting Initiative (GRI) Standards.
 Our reporting is also guided by the Sustainability Accounting Standards Board (SASB) and the Financial Stability
 Board’s Task Force on Climate-related Financial Disclosures' (TCFD) recommendations.
 The 2020 Sustainability Report, Sustainability Framework Reference Document, and more details of our materiality
 assessment, and other disclosures are available on our website at www.atco.com.

 Climate Change and Energy Transition
 To contribute to a low carbon future, we continue to pursue initiatives to integrate cleaner fuels and renewable
 energy. We intend to expand our ownership and development of clean energy solutions, as well as enable our
 customers to transition to lower emitting sources of energy.
 In May 2021, Canadian Utilities was able to advance two large scale hydrogen projects. In Australia, Canadian
 Utilities and its joint venture partner, Australian Gas Infrastructure Group, received notification of $29 million AUD
 in conditional funding from ARENA to kick start the production of hydrogen through a large-scale project at
 Canadian Utilities' proposed Clean Energy Innovation Park. This project builds on Canadian Utilities' pilot project, the
 Clean Energy Innovation Hub, and will produce hydrogen along with storage and delivery to gas network injection
 points. In Canada, Canadian Utilities and Suncor Energy announced the decision to collaborate on early-stage
 design and engineering for a potential hydrogen project near Fort Saskatchewan, Alberta.
 As our portfolio of assets evolves, so too does our environmental footprint. Our direct (Scope 1) GHG emissions
 were reduced by 90 per cent from 2019 to 2020, primarily as a result of Canadian Utilities' sale of its Canadian fossil
 fuel-based electricity generation, eliminating coal-fired generation from our portfolio. Our direct GHG emissions
 from retained assets have been reduced by 17 per cent since 2019.

21   ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
OTHER EXPENSES AND INCOME
A financial summary of other consolidated expenses and income items for the second quarter and first six months
of 2021 and 2020 is given below. These amounts are presented in accordance with IFRS accounting standards. They
have not been adjusted for the timing of revenues and expenses associated with rate-regulated activities and other
items that are not in the normal course of business.

                                                                   Three Months Ended                 Six Months Ended
                                                                              June 30                          June 30
($ millions)                                               2021       2020    Change       2021       2020     Change

Operating costs                                            618        540         78     1,229      1,114        115
Depreciation, amortization and impairment                  224        177         47       394        333          61
Earnings from investment in associate company                 3         2          1          6          5          1
Earnings from investment in joint ventures                    6         3          3         20        10          10
Net finance costs                                          101        102          (1)     203        201           2
Income tax expense                                          10         35        (25)        55        98         (43)

OPERATING COSTS
Operating costs, which are total costs and expenses less depreciation, amortization and impairment, increased by
$78 million and $115 million in the second quarter and first six months of 2021 compared to the same periods in
2020. Higher operating costs were mainly due to higher flow-through electricity costs in ATCOenergy, higher
flow-through Alberta-system natural gas transmission costs, higher unrealized and realized losses on derivative
financial instruments in 2021, and the recognition of termination and transition costs related to the early
termination of the Master Services Agreements (MSA) with Wipro Ltd. (Wipro) for managed information technology
(IT) services.

DEPRECIATION, AMORTIZATION AND IMPAIRMENT
Depreciation, amortization and impairment increased by $47 million and $61 million in the second quarter and first
six months of 2021 compared to the same periods in 2020 mainly due to the impairment of assets in Canadian
Utilities' Energy Infrastructure segment as part of the continued assessment of our investment portfolio.

EARNINGS FROM INVESTMENT IN ASSOCIATE COMPANY
Earnings from investment in associate company relate to our 40 per cent ownership interest in Neltume Ports, a
leading port operator and developer in South America with operations in 17 port facilities and three port operation
services businesses located in Chile, Uruguay, Argentina, Brazil, and the US.
Earnings from investment in associate company in the second quarter and first six months of 2021 were $1 million
higher compared to the same periods in 2020. Higher earnings were mainly due to unplanned equipment
maintenance activity at the Puerto Mejillones port in 2020, and higher volumes in 2021 across the portfolio of ports.

EARNINGS FROM INVESTMENT IN JOINT VENTURES
Earnings from investment in joint ventures is mainly comprised of Canadian Utilities' ownership positions in
electricity generation plants, LUMA Energy electricity operations and maintenance in Puerto Rico, and the
Strathcona Storage Limited Partnership, which operates hydrocarbon storage facilities at the ATCO Heartland
Energy Centre near Fort Saskatchewan, Alberta.
Earnings from investment in joint ventures increased by $3 million and $10 million in the second quarter and first
six months of 2021 compared to the same periods in 2020 mainly due to earnings from LUMA Energy due to the
ongoing transition work during the period, and commencement on June 1, 2021 of the Supplemental Agreement,
partially offset by an impairment of an investment in Canadian Utilities' Energy Infrastructure segment as part of the
continued assessment of our investment portfolio.

                                                             ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS        22
NET FINANCE COSTS
 Net finance costs decreased by $1 million in the second quarter of 2021 when compared to the same period in 2020
 mainly due to lower interest expense as a result of increased capitalization of interest during construction on capital
 projects in 2021.
 Net finance costs increased by $2 million in the first six months of 2021 when compared to the same period in 2020
 mainly due to lower interest income resulting from lower interest rates received on bank balances.

 INCOME TAX EXPENSE
 Income taxes were lower by $25 million and $43 million in the second quarter and first six months of 2021
 compared to the same periods in 2020 mainly due to lower earnings before income taxes and a reduction in
 deferred income tax assets in 2020.

23   ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS
LIQUIDITY AND CAPITAL RESOURCES
Our financial position is supported by Regulated Utilities and long-term contracted operations. Our business
strategies, funding of operations, and planned future growth are supported by maintaining strong investment grade
credit ratings and access to capital markets at competitive rates. Primary sources of capital are cash flow from
operations, and the debt and capital markets.
Under normal market conditions, we consider it prudent to maintain enough liquidity to fund approximately one full
year of cash requirements to preserve strong financial flexibility. Liquidity is generated by cash flow from operations
and is supported by appropriate levels of cash and available committed credit facilities.

LINES OF CREDIT
At June 30, 2021, ATCO and its subsidiaries had the following lines of credit.

($ millions)                                                                    Total               Used           Available

Long-term committed                                                        3,071                    902              2,169
Uncommitted                                                                  571                     143               428
Total                                                                      3,642                   1,045             2,597

                                                                                    Lines of Credit
Of the $3,642 million in total lines of credit,
                                                                                      ($ millions)
$571 million was in the form of uncommitted credit
facilities with no set maturity date. The other                        $3,642
$3,071 million in credit lines was committed, with
maturities between 2022 and 2024, and may be
                                                                                                       $2,597
extended at the option of the lenders.
Of the $1,045 million in lines of credit used,                                          $(1,045)
$633 million was related to ATCO Gas Australia Pty
Ltd. Long-term committed credit lines are used to
satisfy all of ATCO Gas Australia Pty Ltd.'s term debt
financing needs. The majority of the remaining usage
is for the issuance of Canadian Utilities' letters of
credit and ATCO Structures & Logistics' funding to                      Total            Used          Available

expand its global rental fleet and working capital
needs on workforce housing projects.

CONSOLIDATED CASH FLOW
At June 30, 2021, the Company's cash position was $643 million, a decrease of $457 million compared to December
31, 2020. Funds generated by operations achieved during the quarter were partially offset by cash used to fund the
capital investment program, dividends paid, financing costs and share repurchases.

Funds Generated by Operations
Funds generated by operations were $414 million in the second quarter of 2021, $36 million higher compared to the
same period in 2020. The increase was mainly due to higher customer contributions for Canadian Utilities' Electricity
Transmission and International Natural Gas Distribution capital investments.
Funds generated by operations were $905 million in the first six months of 2021, $11 million higher compared to
the same period in 2020. The increase was mainly due to higher customer contributions for Canadian Utilities'
Electricity Transmission and International Natural Gas Distribution capital investments, partially offset by the timing
of certain revenues and expenses.
Funds generated by operations in 2021 are adversely impacted as a result of ATCO's decision to provide rate relief

                                                               ATCO LTD. 2021 MANAGEMENT'S DISCUSSION & ANALYSIS           24
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