 CHICAGO--BUSINESS WIRE--R.R. Donnelley Sons Company NYSE:RRD RRD or the Company announced today that it will report second quarter results after the close of business on Tuesday, August 3, 2021 and host a conference call and webcast on Wednesday, August 4, 2021 at 11:00 am Eastern time. The full earnings release and a slide presentation will be available on the Investors section of the RRD website or by clicking this link. Participants must register in advance in order to either 