 OKLAHOMA CITY, Dec. 08, 2020 GLOBE NEWSWIRE -- Mammoth Energy Services, Inc. Mammoth or the Company NASDAQ:TUSK today announced that it has received and posted to its website additional information related to its work in Puerto Rico obtained from the Federal Emergency Management Agency FEMA through a Freedom of Information Act request FOIA. The presentations, reports and additional data add further validation that the work performed by Cobra Acquisitions LLC Cobra for the Puerto Rico Electric Power Authority PREPA significantly aided the restoration of power to millions of residents of Puerto Rico under very harsh conditions. 