Siegwerk will need to increase prices for publication gravure inks from high single-digit up to low double-digit percentages, depending on the color code. Customers with contracted raw material clauses will see price adjustments accordingly. Other customers can expect to see price increases as part of the next negotiations, at the latest. The costs of raw materials have continued to rise and further price increases are anticipated during the course of 2018.   Due to stricter environmental regu...