Company: TNRSF
Filing Date: 2025-10-30
Form Type: 6-K
Source: 0001171843-25-006841
Chunk: 10

Company: TENARIS SA
Filing Date: 2025-10-30
Form: 6-K
Chunk 10
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:------------------------|----------:|:----|:----|----------:|
|                                      |     | -Unaudited              |           |     |     |           |
| Net sales                            |     |                         |           |     |     |           |
| North America                        |     |                         | 4,216,456 |     |     | 4,394,746 |
| South America                        |     |                         | 1,809,385 |     |     | 1,947,546 |
| Europe                               |     |                         |   680,640 |     |     |   892,735 |
| Asia Pacific, Middle East and Africa |     |                         | 2,279,543 |     |     | 2,443,681 |
| Total                                |     |                         | 8,986,024 |     |     | 9,678,708 |

Allocation of net sales to geographical information is based on the final destination of the products sold.

| 9 |

There are no revenues from external customers attributable to the Company’s country of incorporation (Luxembourg). The principal countries from which the Company derives its revenues are USA, Argentina, Canada, Saudi Arabia, United Arab Emirates and Brazil.

No single customer comprised more than 10% of Tenaris’s net sales in the nine-month period ended September 30, 2025, and 2024.

Revenue is mainly recognized at a point in time to direct customers, when control has been transferred and there is no unfulfilled performance obligation that could affect the acceptance of the product by the customer.In the nine-month period ended September 30, 2025, and 2024, revenues related to governmental institutions represented approximately 25% and 29%, respectively.

Tubes segment revenues by market:

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

|                              | Revenues Tubes | Nine-month period ended 
 September 30,           |  2025 |     |     |  2024 |
|:-----------------------------|:---------------|:------------------------|------:|:----|:----|------:|
|                              |                | -Unaudited              |       |     |     |       |
| Oil & Gas                    |                |                         | 7,646 |     |     | 8,267 |
| Oil & Gas processing plants  |                |                         |   443 |     |     |   423 |
| Industrial, Power and Others |                |