Koch Equity Development to invest $450m in Platinum Equity-backed Jostens.

Koch Equity Development, the investment and acquisition subsidiary of Koch, agreed to invest $450m in Platinum Equity-backed Jostens, a company in the student commemoration market providing products, services and experiences. "The Jostens management team, in partnership with Platinum Equity, has done a tremendous job growing Jostens over the past five years. We are excited to partner with the current owners as the company continues to innovate and deliver value for its customers," Tony Streich, KED Managing Director.