Nov 2 (Reuters) - Great Prairie Energy Services Inc GPE.V :
* Additional cost reducing measures and credit facility update
* Says expects will generate additional savings of approximately $0.5 million
annually
* Wishes to announce the resignation of sid dutchak as chief executive officer
* Rob jepson will act as the interim chief executive officer
* Source text for Eikon urn:newsml:reuters.com:*:nCCN9cTjsv
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