Company: TNRSF
Filing Date: 2025-02-21
Form Type: 6-K
Source: 0001171843-25-000987
Chunk: 103

Company: TENARIS SA
Filing Date: 2025-02-21
Form: 6-K
Chunk 103
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, a private foundation located                        
 in the Netherlands (Stichting) (“RP STAK”) held voting shares in San Faustin sufficient in number to control San Faustin. |

| § | No person or group of persons controls RP STAK. |

Based on the information most recently available to the Company, Tenaris’s
directors and senior management as a group owned 0.07% of the Company’s share capital and 0.08% of the voting rights.

Transactions and balances disclosed as with “associated companies”
are those with companies over which Tenaris exerts significant influence in accordance with IFRS, but does not have control. Transactions
and balances disclosed as with “joint ventures” are those with companies over which Tenaris exerts joint control in accordance
with IFRS, but does not have control. All other transactions and balances with related parties which are not non-consolidated parties
and which are not consolidated are disclosed as “other related parties”.

|     | (i)                                                       | Transactions | Year ended December 31, |    2024 |     |     |    2023 |     |     |    2022 |
|:----|:----------------------------------------------------------|:-------------|:------------------------|--------:|:----|:----|--------:|:----|:----|--------:|
|     | (a) Sales of goods, services and other transactions       |              |                         |         |     |     |         |     |     |         |
|     | Sales of goods to associated companies                    |              |                         |  37,551 |     |     |  56,152 |     |     | 100,019 |
|     | Sales of goods to other related parties                   |              |                         |  83,250 |     |     | 121,679 |     |     | 151,884 |
|     | Sales of services and others to associated companies      |              |                         |   3,456 |     |     |   1,564 |     |     |   1,472 |
|     | Sales of services and others to joint ventures            |              |                         |     139 |     |     |     135 |     |     |     131 |
|     | Sales of services and others to other related parties     |              |                         | 127,940 |     |     | 109,553 |     |     | 109,123 |
|