Company: TNRSF
Filing Date: 2025-08-01
Form Type: 6-K
Source: 0001171843-25-004951
Chunk: 2

Company: TENARIS SA
Filing Date: 2025-08-01
Form: 6-K
Chunk 2
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 Mazars, Cabinet de révision agréé, the Company’s statutory auditor, in accordance with the lnternational Standard on Review Engagements 2410, " Review of lnterim Financial lnformation Performed by the lndependent Auditor of the Entity" issued by the lnternational Auditing and Assurance Standards Board. Whenever necessary, certain comparative amounts have been reclassified to conform to changes in presentation in the current period. Rounding Certain monetary amounts, percentages and other figures included in this half-year report have been subject to rounding adjustments. Accordingly, figures shown as totals in certain tables may not be the arithmetic aggregation of the figures that precede them, and figures expressed as percentages in the text may not total 100% or, as applicable, when aggregated may not be the arithmetic aggregation of the percentages that precede them. Our Internet Website is Not Part of this Half-Year Report We maintain an Internet website at www.tenaris.com. Information contained in or otherwise accessible through our Internet website is not a part of this half-year report. All references in this half-year report to this Internet site are inactive textual references to these URLs, or “uniform resource locators” and are for informational reference only. We assume no responsibility for the information contained on our Internet website. This version of the half-year report is the only authoritative version and is available on the Luxembourg Stock Exchange website: https://my.luxse.com/FIRST Industry Data Unless otherwise indicated, industry data and statistics (including historical information, estimates or forecasts) in this half year report are contained in or derived from internal or industry sources believed by Tenaris to be reliable. Industry data and statistics are inherently predictive and are not necessarily reflective of actual industry conditions. Such statistics are based on market research, which itself is based on sampling and subjective judgments by both the researchers and the respondents, including judgments about what types of products and transactions should be included in the relevant market. In addition, the value of comparisons of statistics for different markets is limited by many factors, including that (i) the markets are defined differently, (ii) the underlying information was gathered by different methods and (iii) different assumptions were applied in compiling the data. Such data and statistics have not been independently verified, and the Company makes no representation as to the accuracy or completeness of such data or any assumptions relied upon therein.

CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS This half-year report and any other oral or written statements made by us to the public may contain “