Jan 25 (Reuters) - TransAlta Corp TA.TO :
* TRANSALTA ANNOUNCES RETIREMENT PLANS FOR TIMOTHY FAITHFULL AND GORDON GIFFIN
* TRANSALTA CORP - GORDON GIFFIN INTENDS TO RETIRE AS DIRECTOR AND BOARD CHAIR NEXT YEAR
* TRANSALTA CORP - BOARD IS UNDERTAKING A PROCESS TO IDENTIFY A NEW CHAIR THROUGH COURSE OF 2019