A protein complex associated with the mitotic spindle pole body during interphase and mitosis and comprises of the proteins of the septation initiation signaling network (SIN) of fission yeast or mitotic exit network (MEN) of budding yeast, organized by two scaffold/adaptor proteins. [ http://www.ncbi.nlm.nih.gov/pubmed/22684255 http://www.ncbi.nlm.nih.gov/pubmed/21131906 http://www.ncbi.nlm.nih.gov/pubmed/22525225 ]