** Atomo Diagnostics AT1.AX soars as much as 11.1% to A$0.020; biggest intraday gain since Dec. 5, 2024

** Medical devices maker executes new long-term supply agreement for its HIV self-test device

** Five-year deal with existing distribution partner Newfoundland Diagnostics worth ~A$5.4 mln ($3.4 mln)

** Deal grants Newfoundland exclusive distribution rights to supply Atomo's test in the UK and non-exclusive rights for the EU and Colombia

** AT1 up 5.3% YTD

($1 = A$1.6184)

(Reporting by Adwitiya Srivastava in Bengaluru)

((Adwitiya.Srivastava@thomsonreuters.com;))