For general information or inquiries regarding our products, services, or technology, please contact us using one of the methods below.


Email SunEdison Semiconductor

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General Inquiries


Corporate Headquarters

501 Pearl Drive (City of O'Fallon)
St. Peters, MO 63376
Phone: +1 636 474 5000


Investor/Media Inquiries

Chris Chaney
Director, Investor Relations & Corporate Communications
SunEdison Semiconductor
Phone: +1 636 474 5226


Other Inquiries

Phone: +1 636 474 5000