** Shares of Woodside Energy WDS.AX fall 1.9% to A$25.25, their lowest since Jan. 9
** Australia's top oil and gas producer says softer realised prices and higher costs impacted full-year revenue, down 6% YoY
** WDS flags 2025 production between 186 million and 196 million barrels of oil equivalent (mmboe), in line with fiscal 2024's record output of 193.9 mmboe
** "When digging deeper, there are some nuances that suggest the underlying business performance is tracking a touch weaker," - Citi
** Stock biggest loser in the energy sub-index index .AXEJ
** Stock rose as much as 2.6% earlier in the day, marking its worst intraday drop since Nov. 26
** Stock up 2.6% this year, including the day's move
(Reporting by Roushni Nair in Bengaluru)
((Roushni.nair@thomsonreuters.com;))