X0206 3 2018-06-01 1 0001722287 Covia Holdings Corp CVIA 0001572119 Decat Kurt C/O COVIA HOLDINGS CORPORATION 8834 MAYFIELD ROAD CHESTERLAND OH 44026 1 0 0 0 Kurt Decat (the "Reporting Person") is the Chief Financial Officer of SCR-Sibelco NV, a shareholder of Covia Holdings Corporation (formerly known as Unimin Corporation, the "Company"). The Reporting Person disclaims beneficial ownership of any securities of the Company reported by SCR-Sibelco NV except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for the any other purpose. Exhibit 24 - Power of Attorney /s/ Andrew D. Eich under a power of attorney 2018-06-04