Aug 6 (Reuters) - Melior Resources Inc MLR.V :
* EXECUTIVE MANAGEMENT CHANGES
* SAYS CEO MARK MCCAULEY RESIGNED
* SAYS CEO MARK MCCAULEY RESIGNED
* BUTTENSHAW WILL ASSUME POSITION OF INTERIM CEO
* IS IN ACTIVE DISCUSSIONS WITH ITS SENIOR LENDER REGARDING FUNDING OPTIONS
* MCCAULEY WILL REMAIN AS A NON-EXECUTIVE DIRECTOR OF COMPANY