Tubes of Steel of Mexico Sa Sample Contracts

EXHIBIT 4.2 TENARIS PREMIUM CONNECTIONS TECHNOLOGY LICENSE AGREEMENT

License Agreement • June 30th, 2003 • Tubes of Steel of Mexico Sa • Steel works, blast furnaces & rolling mills (coke ovens)

• Contract Type
  License Agreement
• Filed
  June 30th, 2003
• Company
  Tubes of Steel of Mexico Sa
• Industry
  Steel works, blast furnaces & rolling mills (coke ovens)

ARTICLE I DEFINITIONS

Deposit Agreement • May 28th, 2003 • Tubes of Steel of Mexico Sa • Steel works, blast furnaces & rolling mills (coke ovens) • New York

• Contract Type
  Deposit Agreement
• Filed
  May 28th, 2003
• Company
  Tubes of Steel of Mexico Sa
• Industry
  Steel works, blast furnaces & rolling mills (coke ovens)
• Jurisdiction
  New York

EXHIBIT 4.1 ATLAS BRADFORD TECHNOLOGY SUBLICENSE AGREEMENT by and between TENARIS CONNECTIONS BV.

Sublicense Agreement • June 30th, 2003 • Tubes of Steel of Mexico Sa • Steel works, blast furnaces & rolling mills (coke ovens) • New York

• Contract Type
  Sublicense Agreement
• Filed
  June 30th, 2003
• Company
  Tubes of Steel of Mexico Sa
• Industry
  Steel works, blast furnaces & rolling mills (coke ovens)
• Jurisdiction
  New York