Company: TNRSF
Filing Date: 2025-08-01
Form Type: 6-K
Source: 0001171843-25-004943
Chunk: 10

Company: TENARIS SA
Filing Date: 2025-08-01
Form: 6-K
Chunk 10
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 results, net.

There were no significant changes in valuation techniques during the period
and there have been no changes in any risk management policies since the year ended December 31, 2024.

If necessary, comparative amounts have been reclassified to conform to
changes in presentation in the current period.

None of the accounting pronouncements applicable after December 31, 2024,
and as of the date of these Consolidated Condensed Interim Financial Statements had a material effect on the Company’s financial
condition or result of its operations.

| 8 |

| 3 | Segment information |

Reportable operating segments

(All amounts in millions of U.S. dollars)

| Six-month period ended June 30, 2025 - (Unaudited)                            |     | Tubes |       |     | Other |     |     | Total |       |   |
|:------------------------------------------------------------------------------|:----|:------|------:|:----|:------|----:|:----|:------|------:|:--|
| Management view - operating income                                            |     |       | 1,055 |     |       |  68 |     |       | 1,123 |   |
| Difference in cost of sales                                                   |     |       |       |     |       |     |     |       |    17 |   |
| Differences in selling, general and administrative expenses                   |     |       |       |     |       |     |     |       |    (5 | ) |
| Differences in other operating income (expenses) and others                   |     |       |       |     |       |     |     |       |    (2 | ) |
| IFRS - operating income                                                       |     |       |       |     |       |     |     |       | 1,133 |   |
| Financial income (expense), net                                               |     |       |       |     |       |     |     |       |    67 |   |
| Income before equity in earnings of non-consolidated companies and income tax |     |       |       |     |       |     |     |       | 1,200 |   |
| Equity in earnings of non-consolidated companies                              |     |       |       |     |       |     |     |       |    47 |   |
| Income before income tax                                                      |     |       |       |     |       |     |     |       | 1,246 |   |
| Net