** Shares of Australia's Service Stream SSM.AX fall as much as 15.6% to A$1.78, their biggest intraday pct drop in over 4 years

** Stock touches lowest level since April 22, 2025

** Citi says network services provider's HY revenue 3-5% below brokerage's revenue expectations

** Brokerage flags co's HY EBITDA missed Citi estimates by 3% and is slightly below Visible Alpha estimates

** Co posts HY net profit of A$26.8 million ($18.98 million) and HY revenue of A$1.14 billion, down 19% and 6.4% respectively y/y

** All 8 analysts covering the stock rate it "buy" or higher; their median PT is A$2.6 -– LSEG data

** SSM down 8% YTD, including day's moves

($1 = 1.4120 Australian dollars)

(Reporting by Aamir Sheik Khalid in Bengaluru)

((Aamir.SheikKhalid@thomsonreuters.com))