HONOR CODE

CERTIFICATE

Jorge Muract Manager, steeluniversity Professor, Mechanical Department at Universidad Nacional de Río Cuarto

Santiago Bonfanti Escuela Técnica Roberto Rocca Director

Eduardo Vandoorne Vallejo

Rolando Lange TenarisUniversity Director

successfully completed and received a passing grade in

CNC.ETRRx: Introducción al Control Numérico por Computadora a course of study offered by TenarisUniversityX, an online learning initiative of TenarisUniversity through edX.

HON OR COD E CE RTI F I CATE Issued June 10, 2015

Verify the authenticity of this certificate at https://verify.edx.org/cert/c64cbb5255994dcb934ce2a227d0a775