Exhibit 99.1
Information Relating to Part II.
Item 14. — Other Expenses of Issuance and Distribution
The expenses in connection with the offer and sale of common stock of Ecovyst Inc., registered pursuant to the Registration Statement on Form S-3ASR (Registration No. 333-255514) filed on April 26, 2021, other than underwriting discounts and commissions, are set forth in the following table. All amounts are estimated except the Securities and Exchange Commission registration fee.
| SEC Registration Fee |
$ | 13,017.02 | ||
| Legal fees and expenses |
410,000 | |||
| Accounting fees and expenses |
125,000 | |||
| Blue Sky fees and expenses |
10,000 | |||
| Printing expenses |
50,000 | |||
| Miscellaneous |
7,982.98 | |||
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| Total |
$ | 616,000 | ||
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