X0206 3 2019-03-20 0 0001708035 PQ Group Holdings Inc. PQG 0001771044 INEOS Ltd 38 HANS CRESCENT LONDON X0 SW1X 0LZ UNITED KINGDOM true 0001207553 RATCLIFFE JAMES A APT. 151 QUAI KENNEDY, BOULEVARD LOUIS II MONACO O9 98000 MONACO true Common Stock, par value $0.01 32909062 D James A. Ratcliffe, as the majority owner of INEOS Limited, has the power to control the voting and disposition of the shares of common stock held by INEOS Limited. Mr. Ratcliffe disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of such securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. INEOS LIMITED, /s/ James A. Ratcliffe, Name: James A. Ratcliffe, Title: Director 2019-03-22 JAMES A. RATCLIFFE, /s/ James A. Ratcliffe 2019-03-22