April 21 (Reuters) - Cooper Energy Ltd COE.AX :
* REAFFIRMED HY GUIDANCE FOR PRODUCTION AND CAPEX
* MARCH QUARTER SALES REVENUE $15.0 MILLION, DOWN 9% Q/Q
* QTRLY PRODUCTION 0.28 MILLION BOE UP FROM 0.27 MILLION BOE IN PRIOR QUARTER
* INCURRED CAPEX FOR 12 MONTHS TO 30 JUNE EXPECTED TO APPROXIMATE MIDDLE OF PREVIOUS GUIDANCE RANGE OF $86 MILLION TO $93 MILLION
* CASH AT 31 MARCH $142.5 MILLION, VERSUS $150.7 MILLION AT BEGINNING OF QUARTER
* NET DEBT OF $84.4 MILLION AS AT 31 MARCH