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Property, plant and equipment
12 Months Ended
Dec. 31, 2025
Property, plant and equipment  
Property, plant and equipment

Note 18     Property, plant and equipment

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Furniture,

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Production

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Buildings

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  ​ ​

Exploration

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Oil & gas

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equipment

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facilities and

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and

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Construction in

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and evaluation

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Amounts in US$’000

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properties

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and vehicles

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machinery

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improvements

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progress

​

assets(a)

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Total

Cost as of January 1, 2023

​

1,079,257

​

19,093

​

222,727

​

11,027

​

16,480

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113,041

​

1,461,625

Additions / ARO change

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9,744

(b)

1,683

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12

​

17

​

116,304

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73,160

​

200,920

Write-off / Impairment

​

(13,332)

(c)

—

​

—

​

—

​

—

​

(29,563)

(d)

(42,895)

Transfers

​

171,538

​

93

​

21,262

​

93

​

(116,905)

​

(76,081)

 

—

Currency translation differences

​

3,477

​

46

​

277

​

8

​

21

​

22

​

3,851

Disposals

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—

​

(1,223)

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—

​

(2,150)

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(119)

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—

​

(3,492)

Assets held for sale (Note 34.7)

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(330,024)

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(6,559)

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(74,491)

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(4,948)

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—

​

—

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(416,022)

Cost as of December 31, 2023

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920,660

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13,133

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169,787

​

4,047

​

15,781

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80,579

​

1,203,987

Additions / ARO change

​

2,319

(b)

1,252

​

—

​

—

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126,746

​

63,312

 

193,629

Write-off / Impairment

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—

​

—

​

—

​

—

​

—

​

(14,779)

(e)

(14,779)

Transfers

​

122,437

​

90

​

23,616

​

352

​

(118,410)

​

(28,085)

​

—

Currency translation differences

​

(10,570)

​

(140)

​

(901)

​

(25)

​

—

​

(72)

 

(11,708)

Disposals

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—

​

(104)

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—

​

(11)

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—

​

—

 

(115)

Cost as of December 31, 2024

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1,034,846

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14,231

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192,502

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4,363

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24,117

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100,955

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1,371,014

Additions / ARO change

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4,026

(b)

842

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—

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13

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68,498

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29,005

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102,384

Acquisitions of business (Note 34.1)

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115,689

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122

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—

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—

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—

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—

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115,811

Write-off / Impairment

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(18,111)

(c)

—

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—

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—

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—

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(26,300)

(f)

(44,411)

Transfers

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48,059

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5

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19,410

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12

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(59,818)

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(7,668)

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—

Currency translation differences

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3,024

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39

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253

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7

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21

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17

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3,361

Disposals

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—

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(538)

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—

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(94)

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—

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—

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(632)

Divestment of long-term assets (Note 34)

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(97,529)

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(193)

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(8,148)

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—

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(329)

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—

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(106,199)

Cost as of December 31, 2025

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1,090,004

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14,508

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204,017

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4,301

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32,489

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96,009

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1,441,328

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​

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Depreciation and write-down as of January 1, 2023

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(642,280)

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(16,799)

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(129,073)

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(6,594)

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—

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—

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(794,746)

Depreciation

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(95,369)

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(1,304)

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(12,896)

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(503)

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—

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—

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(110,072)

Currency translation differences

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(3,179)

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(41)

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(277)

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(8)

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—

​

—

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(3,505)

Disposals

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—

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1,189

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—

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1,877

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—

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—

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3,066

Assets held for sale (Note 34.7)

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310,683

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6,488

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68,765

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2,158

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—

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—

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388,094

Depreciation and write-down as of December 31, 2023

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(430,145)

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(10,467)

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(73,481)

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(3,070)

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—

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—

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(517,163)

Depreciation

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(109,093)

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(1,550)

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(13,116)

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(191)

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—

​

—

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(123,950)

Currency translation differences

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9,520

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131

​

838

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24

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—

​

—

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10,513

Disposals

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—

​

77

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—

​

—

​

—

​

—

​

77

Depreciation and write-down as of December 31, 2024

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(529,718)

​

(11,809)

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(85,759)

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(3,237)

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—

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—

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(630,523)

Depreciation

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(97,128)

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(1,548)

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(14,821)

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(247)

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—

​

—

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(113,744)

Currency translation differences

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(2,663)

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(39)

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(236)

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(8)

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—

​

—

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(2,946)

Disposals

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—

​

509

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—

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94

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—

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—

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603

Divestment of long-term assets (Note 34)

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73,283

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187

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7,498

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—

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—

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—

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80,968

Depreciation and write-down as of December 31, 2025

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(556,226)

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(12,700)

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(93,318)

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(3,398)

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—

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—

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(665,642)

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Carrying amount as of December 31, 2023

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490,515

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2,666

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96,306

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977

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15,781

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80,579

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686,824

Carrying amount as of December 31, 2024

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505,128

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2,422

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106,743

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1,126

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24,117

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100,955

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740,491

Carrying amount as of December 31, 2025

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533,778

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1,808

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110,699

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903

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32,489

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96,009

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775,686

(a)Exploration wells movement and balances are shown in the table below; mining property associated with unproved reserves and resources, seismic and other exploratory assets amount to US$ 83,352,000 (US$ 95,268,000 in 2024 and US$ 72,581,000 in 2023).

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Amounts in US$ ‘000

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Total

Exploration wells as of December 31, 2023

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7,998

Additions

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31,134

Write-offs

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(11,721)

Transfers

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(21,724)

Exploration wells as of December 31, 2024

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5,687

Additions

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19,868

Write-offs

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(5,886)

Divestment (Note 34.3)

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(3,393)

Transfers

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(3,619)

Exploration wells as of December 31, 2025

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12,657

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As of December 31, 2025, the carrying amount included three exploratory wells that have been capitalized for a period less than three years amounting to US$ 12,657,000 (two exploratory wells of US$ 5,687,000 in 2024 and two exploratory wells of US$ 7,998,000 in 2023). After the balance sheet date, one of these wells, the Vencejo well in the Llanos 104 Block, was determined to be dry in January 2026 and will be written off in the first quarter of 2026.

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(b)Corresponds to the effect of change in estimate of assets retirement obligations.
(c)See Note 35.
(d)Corresponds to three exploratory wells drilled in the Llanos 87 Block (Colombia), an exploratory well drilled in the Llanos 124 Block (Colombia) and other exploration costs incurred in the Llanos 94, Coati and Llanos 124 Blocks (Colombia).

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(e)Corresponds to two exploratory wells drilled in the CPO-5 Block (Colombia) and two exploratory wells drilled in the Espejo Block (Ecuador).

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(f)Corresponds to one exploratory well drilled in the PUT-8 Block in Colombia of US$ 5,883,000, other exploration costs incurred in previous years in the Putumayo Basin in Colombia of US$ 7,539,000, and an impairment charge related to the divestment process in Ecuador of US$ 12,878,000 (see Notes 34.3 and 35).