Attached files
| file | filename |
|---|---|
| S-1/A - AMENDMENT NO.2 TO THE FORM S-1 - Ecovyst Inc. | d382954ds1a.htm |
| EX-23.4 - EX-23.4 - Ecovyst Inc. | d382954dex234.htm |
| EX-23.3 - EX-23.3 - Ecovyst Inc. | d382954dex233.htm |
| EX-23.2 - EX-23.2 - Ecovyst Inc. | d382954dex232.htm |
| EX-16.1 - EX-16.1 - Ecovyst Inc. | d382954dex161.htm |
| EX-10.19 - EX-10.19 - Ecovyst Inc. | d382954dex1019.htm |
| EX-10.13 - EX-10.13 - Ecovyst Inc. | d382954dex1013.htm |
| EX-10.12 - EX-10.12 - Ecovyst Inc. | d382954dex1012.htm |
| EX-10.11 - EX-10.11 - Ecovyst Inc. | d382954dex1011.htm |
| EX-10.10 - EX-10.10 - Ecovyst Inc. | d382954dex1010.htm |
Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the use in this Amendment No. 2 to the Registration Statement on Form S-1 of PQ Group Holdings Inc. of our report dated June 9, 2017 relating to the financial statements, and financial statement schedule, which appears in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
Philadelphia, PA
August 14, 2017