Jan 16 (Reuters) - Sherritt International Corp S.TO :
* Sherritt provides an update on ambatovy joint venture negotiations
* Sherritt international -extension to waiver preventing co from becoming defaulting shareholder for non-funding under terms of shareholders agreement
* Sherritt international corp says waiver has been extended to expire at close of business on february 17, 2017
* Says as negotiations continue which may result in a reduced equity position for sherritt or an orderly exit Source text for Eikon: ID:nMKWcdsTRa Further company coverage: S.TO