June 13 (Reuters) - Elliott -
* Elliott says released statement regarding growing calls for change from BHP shareholders as company prepares to announce a new chairperson
* Elliott says, over past few weeks, BHP's shareholders have made clear that substantial and meaningful change is needed
* Elliott says shareholder frustration is understandable "considering BHP's sustained underperformance"
* Elliott says "appointment of a strong, experienced, and visionary chairperson would be a welcomed first step for BHP" Source text for Eikon: Further company coverage: