McDermott Reinforces Technology Focus, Completes Minority Investment in Lummus Technology News provided by Share this article Share this article HOUSTON, March 8, 2021 /PRNewswire/ -- McDermott International, Ltd today announced that it has invested in Lummus Technology Holdings I LLC, a holding company of Lummus Technology. Under the terms of the share and asset purchase agreement for the sale of Lummus Technology—entered into with a joint partnership between Haldia Petrochemicals Ltd., a flagship company of The Chatterjee Group, and Rhône Capital (the "Joint Partnership") on January 21, 2020—McDermott was provided the option to purchase a minority common equity ownership interest in the entity purchasing Lummus. McDermott recently exercised its option.