Oct 26 (Reuters) - Siltronic Ag
* Says production of 300 mm and 200 mm wafers has already been fully loaded for five consecutive quarters
* Says q3 sales up 9 percent on previous quarter
* Says q3 ebitda up 46 percent on previous quarter
* Says q3 ebitda margin of 35 percent
* Says forecast raised slightly
* Says slightly raises 2017 forecast and now expects sales of at least eur 1.16 billion and an ebitda margin of at least 29 percent Source text for Eikon: Further company coverage: (Frankfurt newsroom)
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