** Shares of Australia's Origin Energy ORG.AX fall 4% to A$10.75, their lowest level since Dec. 23

** Power producer downgrades fiscal 2025 APLNG production forecast by 2%-3% due to poor due to field performance

** Brokerage Citi attributed share price dip to missed consensus on gas volumes, higher-than-expected cash tax and lack of update on the APLNG price review

** Stock second biggest percentage loser in the benchmark S&P/ASX 200 index .AXJO

** Stock fell as much as 4.7% earlier in the day, marking its worst intraday drop since Aug. 15

** Stock up 2.8% this year, as of last close

(Reporting by Roushni Nair in Bengaluru)

((Roushni.nair@thomsonreuters.com))