CALGARY, Alberta, Dec. 23, 2025 (GLOBE NEWSWIRE) -- This press release is being issued in accordance with the early warning requirements of applicable Canadian securities laws. On December 23, 2025, Ronald P. Mathison together with MATCO Investments Ltd. ("MATCO") acquired beneficial ownership and control of an aggregate of 508,322 common shares ("Common Shares") in the capital of Calfrac Well Services Ltd. ("Calfrac" or the "Corporation") pursuant to a rights offering to the Corporation's shareholders (the ...