Oct 28 (Reuters) - Mirvac Group MGR.AX :
* "The group expects to achieve its target development roic of 12 per cent by FY 2017"
* Mirvac reaffirms its FY 2016 operating earnings guidance of 12.7 to 13.0 cents per stapled security
* "Mirvac reaffirms its FY 2016 distribution guidance of 9.7cpss to 9.9cpss"
* Source text for Eikon ID:nASX3lPwkf