Dec 17 (Reuters) - Transurban Group TCL.AX :
* TO SELL A 50% INTEREST IN ITS TRANSURBAN CHESAPEAKE ASSETS TO AUSTRALIANSUPER, CANADA PENSION PLAN INVESTMENT BOARD, UNISUPER
* GROSS SALE PROCEEDS OF AUD2.8 BILLION
* DEAL INVOLVES POTENTIAL EARN-OUT BETWEEN FY24 AND FY26 OF UP TO AUD93 MILLION