Serica Energy plc announced that first production has been achieved from Columbus. Hydrocarbons from the C1z development well started flowing into the Arran subsea system on 24 November. The comingled Arran and Columbus production streams are now being exported to the Shearwater platform for processing and onward export to the gas and liquid sales points. Columbus is expected to be producing at its potential by early December. Further information on flow rates will be issued as part of an Operations Update in mid-December.