Revenues for the quarter ended March 31, 2021 were $635.8 million, which generated $217.7 million in earnings from mine operations, which was an increase of $409.5 million and $145.5 million, respectively, over Q1 2020.
Operating cash flows before changes in working capital for the quarter ended Q1 2021 amounted to $265.3 million, or $1.28 per share, an increase of $169.9 million and $0.41 compared to Q1 2020.