Sept 12 (Reuters) - Oil Search Ltd (OSH) :
- Appoints Mel Togolo, Cbe, as a director of the company
- Announces retirement of Bart Philemon as a director of the company
- Ziggy Switkowski has notified the board that he intends to retire as a director at the end of 2016
- Fiona Harris has agreed to rejoin the board upon dr switkowski's retirement
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