Dec 22 (Reuters) - Transalta Corp TA.TO :
* TransAlta Corp says in conjunction with execution of new contract, TransAlta has agreed to terminate, effective December 31, 2016
* TransAlta Corp- expect accounting for new contract and termination of existing contract will have no impact to 2016 earnings on a comparable basis
* TransAlta signs new agreement for mississauga cogeneration facility
* TransAlta Corp- new contract will come into effect on January 1, 2017 Source text for Eikon: ID:nCCN6kBwDZ Further company coverage: TA.TO