** Shares of drilling services provider DDH1 Ltd DDH.AX
advance as much as 4.6% to A$1.030, hitting their highest since
April 27
** Reports prelim 1H 2023 operating earnings before
interest, tax, depreciation and amortisation of A$65.6 million
($45 million), up 15.9% from a year earlier urn:newsml:reuters.com:*:nFWN34L02X
** Posts 15.7% jump in HY revenue to A$286 million; says
outlook for FY23 is positive
** Shares see best day since Feb 1
** Stock has risen ~10.7% this year, as of last close
($1 = 1.4474 Australian dollars)
(Reporting by Archishma Iyer in Bengaluru)
((Archishma.Iyer@thomsonreuters.com;))