This Amendment No. 1 to Registration Statement on Form S-3 (File No. 333-217288) is being filed solely to (1) incorporate by reference the
registrants filings under the Securities Exchange Act of 1934, as amended, filed with the Securities and Exchange Commission after the initial filing of the Registration Statement; (2) update the last reported sale price of the
registrants common stock; and (3) give effect to the name change of the registrants Fluid Services operating segment to its new name, Water Logistics. No other changes have been made to the prospectus included in
the Registration Statement.