Price Alerts Siegwerk Announces Further Price Increases in EMEA November 6, 2011 SIEGBURG, Germany – Due to continued raw material cost pressure, Siegwerk will raise prices in its packaging market segments on average of 6 percent with immediate effect. Share This Story You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.