Athens, August 27, 2013

ANNOUNCEMENT

ANNOUNCEMENT DATE OF HY 2013

FINANCIAL RESULTS

SIDENOR S.A. informs the investment community that that it will release and publish its HY 2013 Financial Results on Wednesday August 28, 2013, after the end of ATHEX trade session. It is noted that the Data and Information and the Mid-Year Financial Report under IFRS for the period 1/1/2013 – 30/6/2013 will be published on the company's website www.sidenor.gr, as well as on the ATHEX website www.athex.gr.

Note: More information regarding SIDENOR SA is available at the company's website (www.sidenor.gr).