​

  ​ ​ ​

​

  ​ ​ ​

​

  ​ ​ ​

​

  ​ ​ ​

​

  ​ ​ ​

Impairment

  ​ ​ ​

Effects of

  ​ ​ ​

​

​

​

Balance at 1

​

​

​

​

​

​

​

expenses/

​

 movements in 

​

Balance at 31

Cost

​

January 2025

​

Additions

​

Disposals

​

Transfers

  ​ ​ ​

(reversals)

  ​ ​ ​

exchange rates

​

December 2025

Telecommunication licenses

129,024,942

​

239,593

​

(32)

​

—

​

—

​

(43,206)

​

129,221,297

Computer software

211,255,967

15,961,770

(214,970)

561,008

—

​

2,051,117

229,614,892

Transmission line software

2,013,857

3,132

—

—

—

​

12,033

2,029,022

Indefeasible right of usage

2,064,237

​

10,284

—

—

—

​

1

2,074,522

Brand name

15,897

​

—

​

—

​

—

​

—

​

738

​

16,635

Customer base

65,029

​

—

​

—

​

—

​

—

​

(4,709)

​

60,320

Goodwill

770,907

​

—

​

—

​

—

​

—

​

—

​

770,907

Subscriber acquisition cost

82,886,223

​

10,740,077

​

—

​

—

​

—

​

756,434

​

94,382,734

Electricity production license

​

1,140,206

​

—

​

—

​

1,140,203

​

—

​

(269,104)

​

2,011,305

Others

2,766,364

​

401,502

​

(10,329)

​

(1,140,203)

​

—

​

251,711

​

2,269,045

Construction in progress

476,472

​

452,058

​

—

​

(551,339)

​

—

​

1,787

​

378,978

Total

432,480,101

​

27,808,416

​

(225,331)

​

9,669

​

—

​

2,756,802

​

462,829,657

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Accumulated amortization

​

  ​

  ​

  ​

  ​

​

  ​

​

Telecommunication licenses

98,511,899

​

7,416,434

​

(31)

​

—

​

—

​

718,278

​

106,646,580

Computer software

163,236,794

​

12,568,970

​

(115,424)

​

(117,361)

​

558,903

​

483,949

​

176,615,831

Transmission line software

2,031,398

​

6,400

​

—

​

—

​

—

​

(10,435)

​

2,027,363

Indefeasible right of usage

1,309,287

​

51,396

​

—

​

—

​

—

​

439

​

1,361,122

Brand name

3,632

​

—

​

—

​

—

​

—

​

6,239

​

9,871

Customer base

34,010

​

401

​

—

​

—

​

—

​

8,403

​

42,814

Subscriber acquisition cost

58,141,692

​

10,419,947

​

—

​

—

​

—

​

(7,533)

​

68,554,106

Electricity production license

​

179,803

​

57,663

​

—

​

78,096

​

—

​

(6,527)

​

309,035

Others

​

1,866,945

​

369,078

​

(10,317)

​

39,265

​

128

​

17,931

​

2,283,030

Total

​

325,315,460

​

30,890,289

​

(125,772)

​

—

​

559,031

​

1,210,744

​

357,849,752

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Net book value

107,164,641

​

(3,081,873)

​

(99,559)

​

9,669

​

(559,031)

​

1,546,058

​

104,979,905

​

  ​ ​ ​

​

  ​ ​ ​

​

  ​ ​ ​

​

  ​ ​ ​

​

  ​ ​ ​

​

​

​

  ​ ​ ​

​

​

​

​

​

​

​

​

​

​

​

Impairment

​

Effects of

​

​

​

​

Balance at 1

​

​

​

​

​

​

​

expenses/

​

movements in

​

Balance at 31

Cost

  ​ ​ ​

January 2024

  ​ ​ ​

Additions

  ​ ​ ​

Disposals

  ​ ​ ​

Transfers

  ​ ​ ​

(reversals)

  ​ ​ ​

exchange rates

  ​ ​ ​

December 2024

Telecommunication licenses

129,086,912

​

1,343

​

(82,130)

​

—

​

—

​

18,817

​

129,024,942

Computer software

195,942,049

13,811,239

(43,107)

382,537

—

​

1,163,249

​

211,255,967

Transmission line software

1,990,425

1,465

(662)

—

—

​

22,629

​

2,013,857

Indefeasible right of usage

1,919,358

​

144,879

—

—

—

​

—

2,064,237

Brand name

20,350

​

—

​

—

​

—

​

—

​

(4,453)

​

15,897

Customer base

73,883

​

—

​

—

​

—

​

—

​

(8,854)

​

65,029

Goodwill

770,907

​

—

​

—

​

—

​

—

​

—

​

770,907

Subscriber acquisition cost

72,791,783

​

9,653,267

​

—

​

—

​

—

​

441,173

​

82,886,223

Electricity production license

​

1,262,381

​

—

​

—

​

—

​

—

​

(122,175)

​

1,140,206

Others

​

2,357,311

​

369,171

​

(2,603)

​

(46,977)

​

—

​

89,462

​

2,766,364

Construction in progress

495,555

​

384,488

​

(2,136)

​

(382,537)

​

—

​

(18,898)

​

476,472

Total

406,710,914

​

24,365,852

​

(130,638)

​

(46,977)

​

—

​

1,580,950

​

432,480,101

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Accumulated amortization

  ​

  ​

  ​

  ​

​

​

  ​

  ​

Telecommunication licenses

90,877,046

​

7,446,046

​

(19,530)

—

—

​

208,337

​

98,511,899

Computer software

151,201,408

​

11,194,611

​

(13,683)

—

154,681

​

699,777

​

163,236,794

Transmission line software

1,971,530

​

42,044

​

—

—

—

​

17,824

​

2,031,398

Indefeasible right of usage

1,214,529

​

97,610

​

(1,792)

—

—

​

(1,060)

1,309,287

Brand name

18,547

​

—

​

—

—

—

​

(14,915)

​

3,632

Customer base

53,561

​

826

​

—

—

—

​

(20,377)

​

34,010

Subscriber acquisition cost

49,080,253

​

9,765,186

​

—

—

—

​

(703,747)

​

58,141,692

Electricity production license

​

99,108

​

57,171

​

—

​

—

​

—

​

23,524

​

179,803

Others

1,619,661

​

292,667

​

(2,309)

—

1,012

​

(44,086)

​

1,866,945

Total

296,135,643

​

28,896,161

​

(37,314)

—

155,693

​

165,277

​

325,315,460

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Net book value

110,575,271

​

(4,530,309)

​

(93,324)

(46,977)

(155,693)

​

1,415,673

​

107,164,641