Calumet Specialty Products Partners, L.P. reported net income for the quarter ended June 30, 2015 of $2.5 million compared to a net loss of $8.3 million for the same quarter in 2014. Excluding special items, Calumet reported Adjusted Net Income of $31.5 million for the second quarter 2015. Adjusted EBITDA was $95.0 million for the second quarter 2015, versus $39.3 million for the prior year period.

Gross profit for Specialty products (lubricants, solvents, waxes) for the second quarter was $105.6 million compared to $70.2 million for the second quarter of last year. Gross profit for the first half year was $205.8 million compared to $168.4 for the first half of 2014.

Calumet said it continues to make progress on a project designed to more than double the production capacity of its Louisiana, Missouri esters plant from 35 million to 75 million pounds per year. The company expects this project to be completed during the third quarter 2015. Esters are a key base stock used in the aviation, refrigerant and automotive lubricants markets. The total estimated annual EBITDA contribution from this project is estimated to be $8.0 million to $12.0 million, subject to market conditions.

HollyFrontier Corporation last Wednesday reported second quarter net income attributable to HollyFrontier stockholders of $360.8 million for the quarter ended June 30, 2015, compared to $176.4 million for the quarter ended June 30, 2014. Included in the current quarter results was a non-cash inventory valuation adjustment that increased earnings by $82.7 million, after-tax.