X0206 3 2017-09-29 0 0001708035 PQ Group Holdings Inc. PQG 0001718055 Randolph Scott C/O PQ GROUP HOLDINGS INC. 300 LINDENWOOD DRIVE MALVERN PA 19355 0 1 0 0 See Remarks Common Stock 80235 D Common Stock 30334 I By investment corporation Option (Right to Buy) 8.04 2016-05-04 2026-05-04 Common Stock 38079 D Option (Right to Buy) 8.04 2016-12-01 2026-05-04 Common Stock 38079 D Option (Right to Buy) 8.04 2017-12-01 2026-05-04 Common Stock 38080 D Option (Right to Buy) 8.04 2018-12-01 2026-05-04 Common Stock 38080 D Executive Vice President and Group President-Performance Materials and Chemicals Exhibit 24.1 - Power of Attorney /s/ Joseph S. Koscinski, attorney-in-fact 2017-09-29