(ShareCast News) - Mobeus Income & Growth announced on Friday that its chairman Keith Niven was to step down and retire from the board with immediate effect, on health grounds.The AIM-traded company confirmed that as a result he will not be standing for re-election at the forthcoming annual general meeting on 23 May.Its board said it now intends to recommend that the related fifth resolution on the notice to convening the AGM be withdrawn."The board is pleased to announce that Clive Boothman, an existing non-executive director of the company, has been appointed independent non-executive chairman of the company with immediate effect," it said in a statement.