Production reduced 10% quarter on quarter to 77,450oz in the June period due to lower oxide grades and power plus mechanical interruptions at Syama in Mali, as well as a cutback at Mako in Senegal.
All-in sustaining costs were US$1319/oz, with the expected cost range for the year now put at $1290-1365/oz.
Gold production for the year was previously forecast to be 350,000-375,000oz at AISC of $1200-1275/oz.
Cash and bullion at the end of the quarter stood at $88.8 million, while total borrowings sat at $308.6 million.
Shares in Resolute were down 4.5% to A54c in morning trade, capitalising the company at $596 million.