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TKO.TO ·

Taseko Reports Fourth Quarter and Annual Earnings

Financials

TASEKO REPORTS FOURTH QUARTER AND

ANNUAL EARNINGS

This release should be read with the Company's Financial Statements and Management Discussion & Analysis ("MD&A"), available at

www.tasekomines.com

and filed on

www.sedar.com

.

Except where otherwise noted, all currency amounts are stated in Canadian dollars. Taseko's 75% owned Gibraltar Mine is located north of the City of Williams Lake in south-central British Columbia.

Production and sales volumes stated in this release are on a 100% basis unless otherwise indicated.

VANCOUVER, BC

,

Feb. 23, 2023

/CNW/ - Taseko Mines Limited (TSX: TKO) (NYSE American: TGB) (LSE:

TKO) ("Taseko" or the "Company") reports Adjusted EBITDA* of

$109 million

and Earnings from mining

operations before depletion* of

$106 million

for the full year 2022. Revenues for the year were

$392 million

and

Adjusted net income* was

$1.7 million

, or

$0.01

per share. In the fourth quarter 2022, Taseko generated

Adjusted EBITDA* of

$35 million

,

$38 million

of earnings from mining operations before depletion* and Adjusted

net income* of

$7 million

, or

$0.02

per share.

Stuart McDonald

, President and CEO of Taseko, commented, "The upward move in copper and molybdenum

prices during the fourth quarter helped drive stronger financial performance in the period. Fourth quarter

earnings from mining operations before depletion were 103% higher than the third quarter and Adjusted

EBITDA was 3% higher. Annual earnings for 2022 were affected by lower average copper prices (

US$3.99

/lb.

compared to

US$4.23

/lb. in 2021) and higher production costs related to fuel price increases and lower

production.

Average head grade for the year was 20% below the life of mine reserve average, and a site-wide power

outage late in the year also contributed to the lower annual copper production of 97 million pounds. Despite the

mill downtime in the fourth quarter,

Gibraltar

produced 27 million pounds of copper. Recoveries in the fourth

quarter improved to 83%, an 8% increase over the prior quarter due to better quality ore."

Mr. McDonald added, "The quarterly production profile in 2023 is expected to be less variable than the last two

years and we believe there is potential for mill throughput to average above design capacity. An in-pit crusher

move is scheduled for the third quarter which will partially shut down ore processing for approximately two

weeks. We expect annual copper production

at Gibraltar Mine

to increase to 115 million pounds (+/-5%) in

2023."

"Yesterday we announced an agreement with Sojitz Corporation to acquire their 12.5% interest in

Gibraltar

Mine, which increases our economic interest to 87.5%. This is an attractive transaction that provides

immediate production and earnings growth, and we maintain the financial capacity to fund the construction of

our Florence Copper project. The acquisition price includes a minimum amount of

C$60 million

payable over a

five-year period and potential contingent payments based on

Gibraltar

mine revenues and copper prices over

the next five years. An initial

C$10 million

will be paid to Sojitz upon closing and the remaining minimum amount

will be paid in

C$10 million

annual instalments over the next five years (see news release dated

February 22,

2023

for details about the transaction)."

"We've also recently announced several key financing initiatives for the Florence copper project, and we expect

to start construction in the coming months, upon receipt of the final Underground Injection Control permit. Under

the terms of our strategic partnership agreement with Mitsui & Co. (USA), they will make an initial investment of

US$50 million

for a 2.67% copper stream. Mitsui also retains an option to invest an additional

US$50 million

(for a total of

US$100 million

) to convert the copper stream into a 10% equity interest in Florence Copper. We

are very pleased to have completed this transaction which validates the significant value of this project and also

highlights the marketing advantages of low impact mining and US produced copper," continued Mr. McDonald.

Mr. McDonald concluded, "We are very excited about the long-term fundamentals of our North American

copper business. Production growth from

Gibraltar

and continued robust copper pricing is setting Taseko up for

a year of strong financial returns. The important permitting catalyst for our Florence Copper project is on the

near horizon, which we believe will unlock the significant value of that project."

2022 Annual Review

Earnings from mining operations before depletion and amortization* was

$106.2 million

, Adjusted EBITDA*

was

$109.0 million

, and cash flows from operations was

$81.3 million

;

Adjusted net income* was

$1.7 million

(

$0.01

per share) and GAAP Net loss was

$26.0 million

(

$0.09

per

share) for the year;

Total operating costs (C1)* for the year were

US$2.98

per pound produced;

The

Gibraltar

mine produced 97.0 million pounds of copper and 1.1 million pounds of molybdenum in 2022.

Copper recoveries were 79.5% and copper head grades were 0.20%;

Gibraltar

sold 101.3 million pounds of copper for the year (100% basis) which contributed to revenue for

Taseko of

$391.6 million

, Taseko's second highest revenue year after 2021. Average realized copper

prices before hedging gains were

US$3.96

per pound for year, compared to the LME average price of

US$3.99

per pound;

The Company had a cash balance of

$121 million

and has approximately

$190 million

of available liquidity

at

December 31, 2022

, including its undrawn

US$50 million

revolving credit facility;

In

September 2022

, the EPA concluded its 45-day public comment period for the draft Underground

Injection Control ("UIC") permit for Florence Copper. The project received overwhelming support from

business organizations, community leaders and state-wide organizations in written submissions and as

voiced at the public hearing; and

Development costs incurred for Florence Copper were

$101.3 million

in the year and included further

payments for the major processing equipment being delivered for the solvent extraction and

electrowinning ("SX/EW") plant, other pre-construction activities and ongoing site costs.

Fourth Quarter Review

In

December 2022

, the Company signed agreements with Mitsui & Co. (U.S.A.) Inc. ("Mitsui") to form a

strategic partnership to develop Florence Copper. Mitsui has committed to an initial investment of

US$50

million

which is conditional on receipt of the final UIC permit, with proceeds to be used for construction of

the commercial production facility. The initial investment will be in the form of a copper stream agreement

on 2.67% of the copper produced at Florence Copper. In addition, Mitsui has the option to invest an

additional

US$50 million

(for a total investment of

US$100 million

) for a 10% equity interest in Florence

Copper;

Fourth quarter earnings from mining operations before depletion and amortization* was

$37.7 million

,

Adjusted EBITDA* was

$35.2 million

, and Adjusted net income* was

$7.1 million

(

$0.02

per share);

Gibraltar

produced 26.7 million pounds of copper for the quarter. Head grades were 0.22% and were

similar to the prior quarter. Lower mill throughput and lower than expected grades due to mining dilution,

impacted production in the quarter;

Average mill throughput in the fourth quarter was 79,000 tons per day, as production in December was

negatively impacted by unplanned mill downtime arising from a sitewide power outage caused by an

extreme cold weather event;

Copper recoveries were 83.4% for the quarter in line with expectations and a significant improvement over

the prior quarters in 2022;

Total site costs* in the fourth quarter was

$5.6 million

higher than the average for the last nine months due

to higher diesel costs and timing of equipment repairs and maintenance;

Gibraltar

sold 25.5 million pounds of copper in the quarter (100% basis) at an average realized copper

price of

US$3.66

per pound;

GAAP net loss was

$2.3 million

(

$0.01

loss per share) and reflected an unrealized loss on derivatives of

$20.1 million

due to the recovery in copper prices, and net of a foreign exchange gain of

$4.6 million

due to

a strengthening Canadian dollar;

The Company has copper collar contracts in place to protect a minimum copper price of

US$3.75

per

pound until the end of

December 2023

for the majority of the Company's needs. The Company also has

24 million litres of fuel call options in place to provide a ceiling cost for its share of diesel over the same

period;

In

December 2022

,

Gibraltar

entered into an equipment loan refinancing with the Company's share of net

proceeds being

$25.7 million

. The Company also secured a commitment for

US$25 million

from Banc of

America Leasing & Capital, LLC to fund costs associated with the SX/EW plant for the Florence Copper

commercial production facility;

In

February 2023

, the Company entered into an agreement to extend the maturity date of the undrawn

revolving credit facility by an additional year to

July 2026

. In addition to the one-year extension, the lender

has also agreed to an accordion feature, which will allow the amount of the credit facility to be increased

by

US$30 million

, for a total of

US$80 million

, subject to credit approval and other conditions; and

The standstill agreement between the Tŝilhqot'in Nation and Taseko was most recently extended for a

fourth one-year term in

December 2022

, with the goal of providing time and opportunity for the Tŝilhqot'in

Nation and Taseko to negotiate a final resolution. The dialogue process has made tangible progress in the

past 12 months but is not complete. In agreeing to extend the standstill through 2023, the Tŝilhqot'in Nation

and Taseko acknowledge the constructive nature of discussions to date, and the future opportunity to

conclude a long-term and mutually acceptable resolution of the conflict that also makes an important

contribution to the goals of reconciliation in

Canada

.

*Non-GAAP performance measure. See end of news release.

HIGHLIGHTS

Operating Data (Gibraltar - 100% basis)

Three months ended

December 31,

Year ended

December 31,

2022

2021

Change

2022

2021

Change

Tons mined (millions)

22.9

23.3

(0.4)

88.7

105.4

(16.7)

Tons milled (millions)

7.3

7.4

(0.1)

30.3

29.2

1.1

Production (million pounds Cu)

26.7

28.8

(2.1)

97.0

112.3

(15.3)

Sales (million pounds Cu)

25.5

23.8

1.7

101.3

104.9

(3.6)

Financial Data

Three months ended

December 31,

Year ended

December 31,

(Cdn$ in thousands, except for per share amounts)

2022

2021

Change

2022

2021

Change

Revenues

100,618

102,972

(2,354)

391,609

433,278

(41,669)

Earnings from mining operations before depletion and amortization

*

37,653

61,916

(24,263)

106,217

230,392

(124,175)

Cash flows (used for) provided by operations

(946)

37,231

(38,177)

81,266

174,769

(93,503)

Adjusted EBITDA

*

35,181

52,988

(17,807)

109,035

200,733

(91,698)

Adjusted net income

*

7,146

13,312

(6,166)

1,723

44,745

(43,022)

Per share - basic ("Adjusted EPS")

*

0.02

0.05

(0.03)

0.01

0.16

(0.15)

Net income (loss) (GAAP)

(2,275)

11,762

(14,037)

(25,971)

36,472

(62,443)

Per share - basic ("EPS")

(0.01)

0.04

(0.05)

(0.09)

0.13

(0.22)

*Non-GAAP performance measure. See end of news release.

REVIEW OF OPERATIONS

Gibraltar

mine (75% Owned)

Operating data (100% basis)

Q4

2022

Q3

2022

Q2

2022

Q1

2022

Q4

2021

YE

2022

YE

2021

Tons mined (millions)

22.9

23.2

22.3

20.3

23.3

88.7

105.4

Tons milled (millions)

7.3

8.2

7.7

7.0

7.4

30.3

29.2

Strip ratio

1.1

1.5

2.8

2.6

2.2

1.8

2.5

Site operating cost per ton milled (Cdn$)*

$13.88

$11.33

$11.13

$11.33

$9.94

$11.89

$9.21

Copper concentrate

Head grade (%)

0.22

0.22

0.17

0.19

0.24

0.20

0.23

Copper recovery (%)

83.4

77.1

77.3

80.2

80.4

79.5

82.4

Production (million pounds Cu)

26.7

28.3

20.7

21.4

28.8

97.0

112.3

Sales (million pounds Cu)

25.5

26.7

21.7

27.4

23.8

101.3

104.9

Inventory (million pounds Cu)

5.4

4.2

2.7

4.0

9.9

5.4

9.9

Molybdenum concentrate

Production (thousand pounds Mo)

359

324

199

236

450

1,118

1,954

Sales (thousand pounds Mo)

402

289

210

229

491

1,131

2,000

Per unit data (US$ per pound produced)

*

Site operating costs

*

$2.79

$2.52

$3.25

$2.95

$2.02

$2.85

$1.91

By-product credits

*

(0.40)

(0.15)

(0.15)

(0.18)

(0.30)

(0.23)

(0.27)

Site operating costs, net of by-product credits

*

$2.39

$2.37

$3.10

$2.77

$1.72

$2.62

$1.64

Off-property costs

0.36

0.35

0.37

0.36

0.22

0.36

0.26

Total operating costs (C1)

*

$2.75

$2.72

$3.47

$3.13

$1.94

$2.98

$1.90

Full Year Results

Gibraltar

produced 97.0 million pounds of copper for the year compared to 112.3 million pounds in 2021. Head

grades for the year averaged 0.20% copper, compared to 0.23% in 2021. The copper head grades were

impacted by higher than expected mining dilution. Copper recoveries for 2022 were 79.5%, compared to 82.4%

in 2021.

A total of 88.7 million tons were mined in the year compared to 105.4 million tons mined in the prior year

period. The strip ratio of 1.8 was lower than the prior year as mining operations were focused in the

Gibraltar

pit in 2022 which has a lower strip ratio than the Pollyanna pit.

Total site costs* at

Gibraltar

of

$301.8 million

(which includes capitalized stripping of

$32.0 million

) for Taseko's

75% share were

$40.0 million

higher than 2021, primarily due to higher diesel prices (55% higher than 2021)

and increased diesel volume consumed (21% higher than 2021) due to the longer hauls and higher truck hours

and with grinding media and other input costs also increasing due to inflationary pressures.

*Non-GAAP performance measure. See end of news release.

REVIEW OF OPERATIONS – CONTINUED

Molybdenum production was 1.1 million pounds in the year compared to 2.0 million pounds in the prior year.

Molybdenum prices strengthened in 2022 with an average molybdenum price of

US$18.73

per pound, an

increase of 18% compared to the 2021 average price of

US$15.94

per pound. By-product credits per pound of

copper produced was

US$0.23

in the year compared to

US$0.27

in the prior year. The higher molybdenum

price and favorable provisional price adjustments at year end were offset by lower molybdenum sales in 2022

compared to the prior year.

Off-property costs per pound produced* were US$

0.36

for the year, which is

US$0.10

higher than the prior

year. In 2021 the Company benefited from lower benchmark treatment and refining charges ("TCRC") and

realized lower TCRCs for

spot tenders due to tight copper market conditions last year. Ocean freight costs

also increased in 2022 as the Company entered into a new contract at a higher rate earlier in the year. Also

contributing to the increased off-property costs per pound produced in 2022 is the fact that sales of copper

exceeded production by 4.3 million pounds.

Total operating costs per pound produced (C1)* were

US$2.98

for the year, compared to

US$1.90

in the prior

year as shown in the

bridge graph below

:

Total Operating Costs (C1)* (US$ per pound) (CNW Group/Taseko Mines Limited)

Fourth Quarter Results

Gibraltar

produced 26.7 million pounds of copper for the quarter, a 6% decrease over the third quarter.

Copper production in December was impacted by unplanned mill downtime, including a sitewide power outage

late in the month.

Although the power outage was only 24 hours in duration, the severe cold temperatures of -35° Celsius (-31°

Fahrenheit) immediately froze a number of essential systems in the mills. This extreme weather delayed the

restart of milling operations for several days followed by a gradual return to full capacity by the end of

December. Mill throughput in October and November averaged above design capacity at 88,000 tons per day,

but mill throughput averaged only 63,000 tons per day in December.

Head grades were in line with the prior quarter and management continues to work on reducing the mining

dilution being experienced in the

Gibraltar

pit. Copper recoveries in the fourth quarter were 83%, an

improvement over the prior quarters in 2022 due to improving ore quality as mining advances deeper into the

Gibraltar

pit.

*Non-GAAP performance measure. See end of news release.

REVIEW OF OPERATIONS – CONTINUED

A total of 22.9 million tons were mined in the fourth quarter. The strip ratio of 1.1 was lower than prior quarter

and included some initial stripping activity in the Connector pit. The ore stockpiles increased by 3.8 million tons

in the fourth quarter.

Total site costs* at

Gibraltar

of

$79.7 million

(which includes capitalized stripping of

$3.9 million

) for Taseko's

75% share were

$5.6 million

higher than the average of the first three quarters of 2022 due to higher diesel

costs, timing of repairs and maintenance and year-end wage related costs. Site operating cost per ton milled*

was

$13.88

was higher than the previous quarters in 2022 due to the higher site costs and lower mill

throughput.

Molybdenum production was 359 thousand pounds in the fourth quarter. At an average molybdenum price of

US$21.39

per pound and the impact of favorable provisional price adjustments of

$3.9 million

for Taseko's 75%

share, molybdenum generated a by-product credit per pound of copper produced of

US$0.40

in the fourth

quarter.

Off-property costs per pound produced* were

US$0.36

for the fourth quarter reflecting higher ocean freight

costs (including bunker fuel) and increased treatment and refining charges (TCRC) compared to the same

quarter in the prior year.

Total operating costs per pound produced (C1)* were

US$2.75

for the quarter and was in line with the previous

quarter.

GIBRALTAR

OUTLOOK

Gibraltar

is expected to produce 115 million pounds of copper (+/-5%) in 2023 on a 100% basis. The

Gibraltar

pit will be the sole source of mill feed in 2023 and the quarterly production profile is expected to be less

variable than 2022 due to improving quality and consistency of ore as mining progresses deeper into the pit.

Annual mill throughput is expected to exceed design capacity in 2023 due to the softer ore in

Gibraltar

pit.

Stripping activities are underway in the new Connector pit. While the strip ratio is expected to be in line with

the LOM average, the allocation of costs to capitalized stripping in 2023 will be higher than in 2022. The

primary crusher for mill 1 which overlays the Connector zone is scheduled to be moved to its new location in the

third quarter of this year.

Strong metal prices combined with our copper hedge protection continues to provide tailwinds for robust

financial performance and operating margins at the

Gibraltar

mine over the coming year. Copper prices in 2022

averaged

US$3.99

per pound and have started the current year above these levels. Molybdenum prices are

currently

US$36.95

per pound, 97% higher than the average price in 2022.

The Company currently has copper price collar contracts in place that secure a minimum copper price of

US$3.75

per pound for 72 million pounds of copper until

December 31

, 2023. The Company has also executed

price caps for its share of diesel purchases. Improving production combined with this copper hedge and diesel

price protection program should continue to provide the foundation for stable financial performance and

operating margins at the

Gibraltar

mine in 2023.

*Non-GAAP performance measure. See end of news release.

FLORENCE COPPER

The Company is awaiting the issuance of the final Underground Injection Control permit ("UIC") from the U.S.

Environmental Protection Agency ("EPA"), which is the final permitting step required prior to construction

commencing on the commercial production facility. The EPA is currently addressing comments that were

received during the public comment period, which was held in the fall of 2022. Public comments submitted to

the EPA have demonstrated strong support for the Florence Copper project among local residents, business

organizations, community leaders and state-wide organizations.

In

December 2022

, the Company signed agreements with Mitsui to form a strategic partnership to develop

Florence Copper. Mitsui has committed to an initial investment of

US$50 million

which is conditional on receipt

of the final UIC permit

, with proceeds to be used for construction of the commercial production facility. The

initial investment will be in the form of a copper stream agreement on 2.67% of the copper produced at

Florence Copper. In addition, Mitsui has the option to invest an additional

US$50 million

(for a total investment

of

US$100 million

) for a 10% equity interest in Florence Copper.

Detailed engineering and design for the commercial production facility is substantially completed and

procurement activities are well advanced. The Company has purchased the major processing equipment

associated with the SX/EW plant and the equipment has now been delivered to the Florence site. The

Company is well positioned to transition into construction once the final UIC permit is received. The Company

incurred

$101.3 million

of capital expenditures at the Florence project in 2022 funded from available cash.

LONG-TERM GROWTH STRATEGY

Taseko's strategy has been to grow the Company by acquiring and developing a pipeline of complementary

projects focused on copper in stable mining jurisdictions. We continue to believe this will generate long-term

returns for shareholders. Our other development projects are located in British Columbia.

Yellowhead Copper Project

Yellowhead Mining Inc. ("Yellowhead") has an 817 million tonnes reserve and a 25-year mine life with a pre-tax

net present value of

$1.3 billion

at an 8% discount rate using a

US$3.10

per pound copper price based on the

Company's 2020 NI 43-101 technical report. Capital costs of the project are estimated at

$1.3 billion

over a 2-

year construction period. Over the first 5 years of operation, the copper equivalent grade will average 0.35%

producing an average of 200 million pounds of copper per year at an average C1* cost, net of by-product

credit, of

US$1.67

per pound of copper. The Yellowhead copper project contains valuable precious metal by-

products with 440,000 ounces of gold and 19 million ounces of silver with a life of mine value of over

$1 billion

at current prices.

The Company Is preparing to advance into the environmental assessment process and is undertaking some

additional engineering work in conjunction with ongoing engagement with local communities including First

Nations. The Company is also collecting baseline data and modeling which will be used to support the

environmental assessment and permitting of the project.

LONG-TERM GROWTH STRATEGY – CONTINUED

New Prosperity Gold-Copper Project

In late 2019, the Tŝilhqot'in Nation, as represented by Tŝilhqot'in National Government, and Taseko entered into

a confidential dialogue, with the involvement of the Province of

British Columbia

, in order to obtain a long-term

resolution of the conflict regarding Taseko's proposed copper-gold mine previously known as New Prosperity,

acknowledging Taseko's commercial interests and the Tŝilhqot'in Nation's opposition to the project.

This dialogue has been supported by the parties' agreement, beginning

December 2019

, to a series of one-

year standstills on certain outstanding litigation and regulatory matters relating to Taseko's tenures and the

area in the vicinity of Teztan Biny (Fish Lake). The standstill agreement was most recently extended for a fourth

one-year term in

December 2022

, with the goal of providing time and opportunity for the Tŝilhqot'in Nation and

Taseko to negotiate a final resolution.

The dialogue process has made tangible progress in the past 12 months but is not complete. In agreeing to

extend the standstill through 2023, the Tŝilhqot'in Nation and Taseko acknowledge the constructive nature of

discussions to date, and the future opportunity to conclude a long-term and mutually acceptable resolution of

the conflict that also makes an important contribution to the goals of reconciliation in

Canada

.

Aley Niobium Project

Environmental monitoring and product marketing initiatives on the Aley niobium project continue. The converter

pilot test is ongoing and is providing additional process data to support the design of the commercial process

facilities and will provide final product samples for marketing purposes. The Company has also initiated a

scoping study to investigate the potential production of niobium oxide at Aley to supply the growing market for

Niobium-based batteries.

The Company will host a telephone conference call and live webcast on Friday, February 24, 2023 at 11:00 a.m. Eastern Time (8:00 a.m. Pacific) to discuss these results. After opening remarks by

management, there will be a question and answer session open to analysts and investors.

To join the conference call without operator assistance, you may pre-register at

https://bit.ly/3HbbVpt

to receive an instant automated call back just prior to the start of the conference call. Otherwise,

the conference call may be accessed by dialing 416-764-8688 in Canada, 888-390-0546 in the United States, 08006522435 in the United Kingdom, or online at tasekomines.com/investors/events using

the entry code 613140#.

The conference call will be archived for later playback until March 9, 2023 and can be accessed by dialing 416-764-8677 in Toronto, 888-390-0541 toll free in North America, or online at

tasekomines.com/investors/events and using the entry code 613140#.

Stuart McDonald

President & CEO

No regulatory authority has approved or disapproved of the information in this news release.

NON-GAAP PERFORMANCE MEASURES

This document includes certain non-GAAP performance measures that do not have a standardized meaning

prescribed by IFRS. These measures may differ from those used by, and may not be comparable to such

measures as reported by, other issuers. The Company believes that these measures are commonly used by

certain investors, in conjunction with conventional IFRS measures, to enhance their understanding of the

Company's performance. These measures have been derived from the Company's financial statements and

applied on a consistent basis. The following tables below provide a reconciliation of these non-GAAP measures

to the most directly comparable IFRS measure.

Total operating costs and site operating costs, net of by-product credits

Total costs of sales include all costs absorbed into inventory, as well as transportation costs and insurance

recoverable. Site operating costs are calculated by removing net changes in inventory, depletion and

amortization, insurance recoverable, and transportation costs from cost of sales. Site operating costs, net of

by-product credits is calculated by subtracting by-product credits from the site operating costs. Site operating

costs, net of by-product credits per pound are calculated by dividing the aggregate of the applicable costs by

copper pounds produced. Total operating costs per pound is the sum of site operating costs, net of by-product

credits and off-property costs divided by the copper pounds produced. By-product credits are calculated based

on actual sales of molybdenum (net of treatment costs) and silver during the period divided by the total pounds

of copper produced during the period. These measures are calculated on a consistent basis for the periods

presented.

(Cdn$ in thousands, unless otherwise indicated) –

75% basis

2022

Q4

2022

Q3

2022

Q2

2022

Q1

2022

YE

Cost of sales

73,112

84,204

90,992

89,066

337,374

Less:

Depletion and amortization

(10,147)

(13,060)

(15,269)

(13,506)

(51,982)

Net change in inventories of finished goods

1,462

2,042

(3,653)

(7,577)

(7,726)

Net change in inventories of ore stockpiles

18,050

3,050

(3,463)

(3,009)

14,628

Transportation costs

(6,671)

(6,316)

(4,370)

(5,115)

(22,472)

Site operating costs

75,806

69,920

64,237

59,859

269,822

Less by-product credits:

Molybdenum, net of treatment costs

(11,022)

(4,122)

(3,023)

(3,831)

(21,999)

Silver, excluding amortization of deferred revenue

263

25

36

202

526

Site operating costs, net of by-product credits

65,047

65,823

61,250

56,230

248,349

Total copper produced (thousand pounds)

20,020

21,238

15,497

16,024

72,778

Total costs per pound produced

3.25

3.10

3.95

3.51

3.41

Average exchange rate for the period (CAD/US$)

1.36

1.31

1.28

1.27

1.30

Site operating costs, net of by-product credits

(US$ per pound)

2.39

2.37

3.10

2.77

2.62

Site operating costs, net of by-product credits

65,047

65,823

61,250

56,230

248,349

Add off-property costs:

Treatment and refining costs

3,104

3,302

2,948

2,133

11,486

Transportation costs

6,671

6,316

4,370

5,115

22,472

Total operating costs

74,822

75,441

68,568

63,478

282,307

Total operating costs (C1) (US$ per pound)

2.75

2.72

3.47

3.13

2.98

NON-GAAP PERFORMANCE MEASURES – CONTINUED

(Cdn$ in thousands, unless otherwise indicated) –

75% basis

2021

Q4

2021

Q3

2021

Q2

2021

Q1

2021

YE

Cost of sales

57,258

65,893

74,056

72,266

269,473

Less:

Depletion and amortization

(16,202)

(17,011)

(17,536)

(15,838)

(66,587)

Net change in inventories of finished goods

13,497

762

(4,723)

2,259

11,795

Net change in inventories of ore stockpiles

4,804

6,291

2,259

(8,226)

5,128

Transportation costs

(4,436)

(5,801)

(4,303)

(3,305)

(17,845)

Site operating costs

54,921

50,134

49,753

47,156

201,964

Less by-product credits:

Molybdenum, net of treatment costs

(7,755)

(8,574)

(6,138)

(5,604)

(28,071)

Silver, excluding amortization of deferred revenue

(330)

300

64

(238)

(204)

Site operating costs, net of by-product credits

46,836

41,860

43,679

41,314

173,689

Total copper produced (thousand pounds)

21,590

25,891

20,082

16,684

84,247

Total costs per pound produced

2.17

1.62

2.18

2.48

2.06

Average exchange rate for the period (CAD/USD)

1.26

1.26

1.23

1.27

1.25

Site operating costs, net of by-product credits

(US$ per pound)

1.72

1.28

1.77

1.96

1.64

Site operating costs, net of by-product credits

46,836

41,860

43,679

41,314

173,689

Add off-property costs:

Treatment and refining costs

1,480

3,643

1,879

2,414

9,416

Transportation costs

4,436

5,801

4,303

3,305

17,845

Total operating costs

52,752

51,304

49,861

47,033

200,950

Total operating costs (C1) (US$ per pound)

1.94

1.57

2.02

2.23

1.90

Total Site Costs

Total site costs is comprised of the site operating costs charged to cost of sales as well as mining costs

capitalized to property, plant and equipment in the period. This measure is intended to capture Taseko's share

of the total site operating costs incurred in the quarter at the

Gibraltar

mine calculated on a consistent basis for

the periods presented.

(Cdn$ in thousands, unless otherwise indicated) –

75% basis

2022

Q4

2022

Q3

2022

Q2

2022

Q1

2022

YE

Site operating costs

75,806

69,920

64,237

59,859

269,822

Add:

Capitalized stripping costs

3,866

1,121

11,887

15,142

32,016

Total site costs

79,672

71,041

76,124

75,001

301,838

NON-GAAP PERFORMANCE MEASURES – CONTINUED

(Cdn$ in thousands, unless otherwise indicated) –

75% basis

2021

Q4

2021

Q3

2021

Q2

2021

Q1

2021

YE

Site operating costs

54,921

50,134

49,753

47,156

201,964

Add:

Capitalized stripping costs

12,737

10,882

14,794

21,452

59,865

Total site costs

67,658

61,016

64,547

68,608

261,829

Adjusted net income (loss)

Adjusted net income (loss) removes the effect of the following transactions from net income as reported under

IFRS:

Unrealized foreign currency gains/losses;

Unrealized gain/loss on derivatives; and

Loss on settlement of long-term debt and call premium, including realized foreign exchange gains.

Management believes these transactions do not reflect the underlying operating performance of our core mining

business and are not necessarily indicative of future operating results. Furthermore, unrealized gains/losses on

derivative instruments, changes in the fair value of financial instruments, and unrealized foreign currency

gains/losses are not necessarily reflective of the underlying operating results for the reporting periods

presented.

(Cdn$ in thousands, except per share amounts)

2022

Q4

2022

Q3

2022

Q2

2022

Q1

2022

YE

Net income (loss)

(2,275)

(23,517)

(5,274)

5,095

(25,971)

Unrealized foreign exchange (gain) loss

(5,279)

28,083

11,621

(4,398)

30,027

Unrealized (gain) loss on derivatives

20,137

(72)

(30,747)

7,486

(3,196)

Estimated tax effect of adjustments

(5,437)

19

8,302

(2,021)

863

Adjusted net income (loss)

7,146

4,513

(16,098)

6,162

1,723

Adjusted EPS

0.02

0.02

(0.06)

0.02

0.01

(Cdn$ in thousands, except per share amounts)

2021

Q4

2021

Q3

2021

Q2

2021

Q1

2021

YE

Net income (loss)

11,762

22,485

13,442

(11,217)

36,472

Unrealized foreign exchange (gain) loss

(1,817)

9,511

(3,764)

8,798

12,728

Realized foreign exchange gain on settlement of long-

term debt

-

-

-

(13,000)

(13,000)

Loss on settlement of long-term debt

-

-

-

5,798

5,798

Call premium on settlement of long-term debt

-

-

-

6,941

6,941

Unrealized (gain) loss on derivatives

4,612

(6,817)

370

802

(1,033)

Estimated tax effect of adjustments

(1,245)

1,841

(100)

(3,657)

(3,161)

Adjusted net income (loss)

13,312

27,020

9,948

(5,535)

44,745

Adjusted EPS

0.05

0.10

0.04

(0.02)

0.16

NON-GAAP PERFORMANCE MEASURES – CONTINUED

Adjusted EBITDA

Adjusted EBITDA is presented as a supplemental measure of the Company's performance and ability to service

debt. Adjusted EBITDA is frequently used by securities analysts, investors and other interested parties in the

evaluation of companies in the industry, many of which present Adjusted EBITDA when reporting their results.

Issuers of "high yield" securities also present Adjusted EBITDA because investors, analysts and rating agencies

consider it useful in measuring the ability of those issuers to meet debt service obligations.

Adjusted EBITDA represents net income before interest, income taxes, and depreciation and also eliminates

the impact of a number of items that are not considered indicative of ongoing operating performance. Certain

items of expense are added and certain items of income are deducted from net income that are not likely to

recur or are not indicative of the Company's underlying operating results for the reporting periods presented or

for future operating performance and consist of:

Unrealized foreign exchange gains/losses;

Unrealized gain/loss on derivatives;

Loss on settlement of long-term debt (included in finance expenses) and call premium;

Realized foreign exchange gains on settlement of long-term debt; and

Amortization of share-based compensation expense.

(Cdn$ in thousands)

2022

Q4

2022

Q3

2022

Q2

2022

Q1

2022

YE

Net income (loss)

(2,275)

(23,517)

(5,274)

5,095

(25,971)

Add: