X0306 4 2020-03-04 0 0000029669 RR Donnelley & Sons Co RRD 0001685733 Pecaric John P C/O R.R. DONNELLEY & SONS COMPANY 35 W. WACKER DRIVE CHICAGO IL 60601 0 1 0 0 See Remarks Common Stock 2020-03-04 4 M 0 7483 A 227683 D Common Stock 2020-03-04 4 D 0 7483 3.87 D 220200 D Common Stock 2021-12-22 4 M 0 62002 A 372912 D Common Stock 2021-12-22 4 D 0 62002 10.85 D 310910 D Common Stock 2021-12-22 4 A 0 33674 A 344584 D Common Stock 2021-12-22 4 D 0 33674 10.85 D 310910 D Common Stock 2021-12-22 4 F 0 65739 10.72 D 245171 D Common Stock 2021-12-22 4 A 0 95440 A 340611 D Common Stock 2021-12-22 4 F 0 42281 10.72 D 298330 D Phantom Stock 2020-03-04 4 M 0 7483 D Common Stock 7483 115284 D Phantom Stock 2021-12-22 4 M 0 62002 D Common Stock 62002 75599 D Each share of phantom stock is payable in shares of common stock or cash. The vested phantom stock was settled for cash. Shares acquired upon settlement of phantom Performance Stock Units granted on March 4, 2019. Shares acquired upon settlement of Performance Stock Units granted on March 4, 2019 and March 2, 2020. Phantom stock is payable in shares of common stock or cash in three equal installments, subject to reporting person's continued employment. On December 14, 2021, the Issuer entered into an Agreement and Plan of Merger, by and among the Issuer, Chatham Delta Parent, Inc. and Chatham Delta Acquisition Sub, Inc., providing for the merger of Chatham Delta Acquisition Sub, Inc. with and into the Issuer (the "Merger"), with the Issuer surviving as a wholly owned subsidiary of Chatham Delta Parent, Inc. In connection with the Merger, to mitigate the potential impact of Section 280G and Section 4999 of the Internal Revenue Code of 1986, as amended, on the Issuer and the Reporting Person, the Board of Directors of the Issuer approved the acceleration of vesting of certain equity awards and equity-based awards, as described in this Form 4. Deborah L. Steiner, Attorney-in-Fact for John P. Pecaric 2021-12-27