Original filing text · Part I

Item 4 — Business

Tenaris SA · 20-F · FY 2025 · Period ended Dec 31, 2025

This is the extracted source text from the SEC filing. Formatting may differ from the original document.

4.A History and Development of the Company Information on the Company - History and Development of the Company 4.B Business Overview Information on the Company - Business Overview 4.C Organizational Structure and Subsidiaries Information on the Company - Organizational Structure and Subsidiaries 4.D Property, Plant and Equipment Information on the Company - Business Overview