Exhibit 99.1 Page 1 First Quarter 2024 Earnings Release RPC, Inc. Reports First Quarter 2024 Financial Results And Declares Regular Quarterly Cash Dividend ATLANTA, April 25, 2024 - RPC, Inc. (NYSE: RES) ("RPC" or "the Company"), a leading diversified oilfield services company, announced its unaudited results for the first quarter ended March 31, 2024. * Non-GAAP and adjusted measures, including adjusted operating income, adjusted net income, adjusted earnings per share (diluted), EBITDA and adjusted EBITDA ...