Knauf Encouraged that the USG Board Authorized Management to Enter into Discussions Regarding Knauf's Offer

IPHOFEN, Germany, May 1, 2018 /PRNewswire/ -- Gebr. Knauf KG ("Knauf") today commented on USG Corporation's (NYSE: USG) ("USG") willingness to enter into a confidentiality agreement to facilitate discussions regarding Knauf's $42 per share cash offer. Knauf issued the following...