From the Coal Development MOU, 9 August 2010
Mantle and Exergen to execute binding "Substantive Agreements";
o an exploration Joint Venture Agreement (JVA), within 1 year,
o a CHTD Technology Licence Agreement (TLA), within 1 year,
o a Mine Development Heads of Agreement (HOA), within 1 year
o finalising the Mine Development Agreement (MDA), within 2 years.