March 18 (Reuters) - Serco Group PLC SRP.L :
* SERCO SIGNS NEW AU$115M CONTRACT TO OPERATE ARC
* ESTIMATED TOTAL CONTRACT VALUE TO SERCO OVER AN INITIAL SEVEN-YEAR TERM IS AU$115M
* CONTRACT TERM CAN BE EXTENDED BY UP TO FIVE YEARS.
* SERCO SAYS CO, THROUGH ITS AUSTRALIAN SUBSIDIARY, SIGNED A NEW CONTRACT WITH SOUTH AUSTRALIAN GOVERNMENT TO OPERATE AND MANAGE ADELAIDE REMAND CENTRE