Ramelius Resources (ASX:RMS) reported group gold production of 80,455 ounces at an all-in sustaining cost of AU$1,492 per ounce in the March quarter, compared with gold production of 86,928 ounces at an AISC of AU$1,344 per ounce in the prior-year period, according to a Tuesday Australian bourse filing.

Its gold sales during the period came in at 84,200 ounces at a revenue of AU$357.9 million.

It upgraded its full year guidance to gold production of 290,000 ounces to 300,000 ounces at an AISC of AU$1,550 to AU$1,650 per ounce from the previous forecast of 270,000 to 300,000 gold ounces at an AISC of AU$1,500 to AU$1,700 per ounce.

Its acquisition of Spartan Resources (ASX:SPR) is proceeding to plan, and it has a proposed implementation date of late July or early August.

Its shares climbed past 2% in recent trading on Tuesday.