EXHIBIT 4.2 TENARIS PREMIUM CONNECTIONS TECHNOLOGY LICENSE AGREEMENTLicense Agreement • June 30th, 2003 • Tubes of Steel of Mexico Sa • Steel works, blast furnaces & rolling mills (coke ovens)
EXHIBIT 4.1 ATLAS BRADFORD TECHNOLOGY SUBLICENSE AGREEMENT by and between TENARIS CONNECTIONS BV.Technology Sublicense Agreement • June 30th, 2003 • Tubes of Steel of Mexico Sa • Steel works, blast furnaces & rolling mills (coke ovens) • New York
