Athens, August 10, 2012

ANNOUNCEMENT

ANNOUNCEMENT DATE OF THE HY 2012

FINANCIAL RESULTS

(CORRECT RESUBMISSION)

SIDENOR S.A. informs the investment community that that it will release its HY2012 Financial Results on Thursday August 30, 2012, while the analyst conference call regarding these results will be held on Monday September 3, 2012 instead of the originally announced date of August 30^th 2012.

The Data and Information, the Mid-Year Financial Report under IFRS for the period 1/1/2012 – 30/6/2012, as well as the respective press release will be posted on the company's website www.sidenor.gr, as well as on the ATHEX website www.athex.gr.