BRIEF-Rio Tinto says Anne Lauvergeon and Simon Thompson will join boards of Rio Tinto PLC and Rio Tinto Ltd

March 6 (Reuters) - Rio Tinto Ltd RIO.AX :

* Rio Tinto announces board changes RIO.AX

* Says Anne Lauvergeon and Simon Thompson will join the boards of Rio Tinto Plc and Rio Tinto Limited as non-executive directors

* Says retirement of vivienne cox as a non-executive director on 15 April 2014

* Source text for Eikon News Search ID:nASX5Ck3wP

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