07:57 AM EDT, 05/10/2024 (MT Newswires) -- Calumet Specialty Products Partners ( CLMT ) said Friday that its Q1 swung to a net loss of $0.51 per diluted unit, from earnings of $0.23 a year earlier.

Sales for the quarter ended March 31 were $1.01 billion, down from $1.04 billion a year earlier.

Analysts' estimates weren't immediately available for comparison.