Company: TNRSF
Filing Date: 2025-08-01
Form Type: 6-K
Source: 0001171843-25-004943
Chunk: 18

Company: TENARIS SA
Filing Date: 2025-08-01
Form: 6-K
Chunk 18
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 Saudi Arabia by the Company’s subsidiary Global Pipe Company, in which Saudi Steel Pipe Company (“SSPC”) holds a
57.3% interest.

| 13 |

| 12 | Intangible assets, net |

| Six-month period ended June 30,          |     | 2025        
 (Unaudited) |           |   |     | 2024 |           |   |
|:-----------------------------------------|:----|:------------|----------:|:--|:----|:-----|----------:|:--|
| Opening net book amount                  |     |             | 1,357,749 |   |     |      | 1,377,110 |   |
| Currency translation adjustment          |     |             |     1,000 |   |     |      |      (142 | ) |
| Changes due to business combinations (*) |     |             |         - |   |     |      |   (28,212 | ) |
| Additions                                |     |             |    30,248 |   |     |      |    28,103 |   |
| Transfers / Reclassifications            |     |             |    (1,053 | ) |     |      |     4,129 |   |
| Amortization charge                      |     |             |   (25,682 | ) |     |      |   (29,282 | ) |
| At June 30,                              |     |             | 1,362,262 |   |     |      | 1,351,706 |   |

For the six-month period ended June 30, 2024, related to
the adjustments resulting from the purchase price allocation of Mattr’s pipe coating business unit acquisition.

| 13 | Right-of-use assets, net and lease liabilities |

Right-of-use assets, net evolution

| Six-month period ended June 30, |     | 2025        
 (Unaudited) |         |   |     | 2024 |         |   |
|:--------------------------------|:----|:------------|--------:|:--|:----|:-----|--------:|:--|
| Opening net book amount         |     |             | 148,868 |   |     |      | 132,138 |   |
| Currency translation adjustment |     |             |   1,090 |   |     |      |    (247 | ) |
| Additions                       |     |