Koppers Holdings Inc. to Acquire Wood Preservation and Railroad Services Businesses From Osmose Apr 15, 2014 at 10:00 AM EDT Click here for webcast Supporting Materials Acquisition of Osmose Wood Preservation Group & Railroad Services Presentation 2.8 MB Live Teleconference Information Primary # - 877-941-8609 Secondary # - 480-629-9692 Passcode - 4678963 Replay Teleconference Information Start Date - Apr 15, 2014 at 1:00 PM EDT Primary # - 800-406-7325 Secondary # - 303 590 3030 Passcode - 4678963