certificate
TRANSCRIPT
Technical Sales Manager and ProfessorTenaris
Mario Vespa
Director TenarisUniversity
Rolando Lange
HONOR CODE CERTIFICATE Verify the authenticity of this certificate at
CERTIFICATEHONOR CODE
Marwan Shehata Mohamed Zeitoun
successfully completed and received a passing grade in
PIPE01x: Introduction to Oil Country Tubular Goods(OCTG)
a course of study offered by TenarisUniversity, an online learning
initiative of TenarisUniversity through edX.
Issued September 19, 2015 https://verify.edx.org/cert/c33eb70f969d4f5883ff2e59662e8685