Company: TNRSF
Filing Date: 2025-08-01
Form Type: 6-K
Source: 0001171843-25-004951
Chunk: 4

Company: TENARIS SA
Filing Date: 2025-08-01
Form: 6-K
Chunk 4
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 of extreme weather events, chronic climate changes and long-term shifts in weather patterns;  |

| · | our                                                                                            
 ability to absorb cost increases and to secure supplies of essential raw materials and energy; |

| · | our                                                                             
 ability to adjust fixed and semi-fixed costs to fluctuations in product demand; |

| · | the                                                                                
 impact of the world’s economy on the energy sector in general, or our business and 
 operations;                                                                        |

| · | general                                                                                        
 macroeconomic conditions, including renewed inflation or high inflation rates, inflation       
 containment measures and foreign exchange measures, as well as, international conflicts,       
 public health epidemics and other political, social, or economic conditions and developments   
 in the countries in which we operate or distribute pipes, including developments in connection 
 with the Russia-Ukraine war and Middle East armed conflicts; and                               |

| · | changes                                                                                      
 to applicable laws and regulations, including the imposition of recent or additional tariffs 
 or quotas or other trade barriers.                                                           |

By their nature, certain disclosures relating to these and other risks are only estimates and could be materially different from what actually occurs in the future. As a result, actual future gains or losses or other occurrences or developments that may affect our financial condition and results of operations could differ materially from those that have been estimated. You should not place undue reliance on forward-looking statements, which speak only as of the date of this half-year report. Except as required by law, we are not under any obligation, and expressly disclaim any obligation to, update or alter any forward-looking statements, whether as a result of new information, future events or otherwise.

| Half-year report 2025 - Interim management report |

TABLE OF CONTENTS

| INTERIM MANAGEMENT REPORT                           |  4 |
| Company Overview                                    |  4 |
| Principal Risks and Uncertainties                   |  5 |
| Outstanding Legal Proceedings                       | 11 |
| Business Overview                                   | 12 |
| Other Significant Events of the Period              | 17 |
| Related Party Transactions                          | 20 |
| MANAGEMENT CERTIFICATION                            | 21 |
| FINANCIAL INFORMATION                               | 22 |
| Consolidated Condensed Interim Financial Statements | 23 |
| EXHIBIT I – ALTERNATIVE PERFORMANCE MEASURES        | 53 |

| 3 |

| Half-year report 2025 - Interim management report |

INTERIM MANAGEMENT REPORT

Company Overview

Tenaris is a leading global manufacturer and supplier of steel pipe products and related