June 15 (Reuters) - ** Fertilizer producer's shares up 40 pct at 9 Canadian cents in Toronto
** Company says has received revised proposals from third parties involved in fertilizer, agriculture sectors
** MBAC and lenders evaluating proposals to address liquidity requirements
** MBAC conducting review considering a strategic partner, sale of company or assets and other options.
** Company says two lawsuits filed against its subsidiary (Reuters Messaging: email@example.com)