** Shares of Australia's Service Stream SSM.AX rise as much as 4.2% to A$2.23, their highest level since February 23
** The network services company secures new agreements worth A$455 million ($324.14 million), including a A$405 million contract for maintenance services with Yarra Valley Water, which is the Victoria state's retail water corporation
** Agreements also include two contracts at a power station in Queensland, with an estimated combined value of A$50 million
** Stock down 0.5%, YTD
($1 = 1.4037 Australian dollars)
(Reporting by Shruti Agarwal in Bengaluru)
((Shruti.Agarwal@thomsonreuters.com))