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Oyster Oil and Gas Ltd., an upstream oil and gas company, engages in the acquisition, exploration, and development of oil and gas interests in East Africa. It holds a 100% interest in 4 onshore and offshore blocks covering an area of approximately 3.5 million acres in the Republic of Djibouti; and a working interest in an onshore Antsiranana Block 1101 situated in the Republic of Madagascar. The company was formerly known as Clemson Resources Corp. and changed its name to Oyster Oil and Gas Ltd. in April 2013. Oyster Oil and Gas Ltd. is headquartered in Vancouver, Canada.

Protalix BioTherapeutics, Inc., a biopharmaceutical company, engages in the development, production, and commercialization of recombinant therapeutic proteins based on its proprietary ProCellEx plant cell-based protein expression system in the United States, Australia, Canada, Israel, Brazil, Russia, Turkey, and internationally. The company offers Elelyso for the treatment of Gaucher disease; and Elfabrio for the treatment of adult patients with a confirmed diagnosis of Fabry disease. It is also developing PRX-115, a plant cell-expressed recombinant PEGylated Uricase which is in Phase I trial for the treatment of gout; and PRX-119, a plant cell-expressed PEGylated recombinant human DNase I product candidate that is in preclinical phase for the treatment of NETs-related diseases. The company has agreements and partnerships with Pfizer; Fundação Oswaldo Cruz; and Chiesi Farmaceutici S.p.A. The company was incorporated in 1993 and is headquartered in Karmiel, Israel. Protalix BioTherapeutics, Inc. is a subsidiary of Protalix Ltd.

Royal Helium Ltd. engages in the exploration and development of helium properties in Canada. It holds approximately 1,000,000 acres of prospective helium land across southern Saskatchewan and southeastern Alberta. The company is headquartered in Saskatoon, Canada.

Rosehill Resources Inc., an independent oil and natural gas company, focuses on the acquisition, exploration, development, and production of unconventional oil and associated liquids-rich natural gas reserves in the Permian Basin. As of December 31, 2018, its portfolio included 67 gross operated producing horizontal wells in the Northern Delaware Basin and 4 gross operated producing horizontal wells in the Southern Delaware Basin; and working interests in approximately 6,665 gross acres in the Northern Delaware Basin and 9,219 gross acres in the Southern Delaware Basin, as well as 513 gross operated and 53 non-operated potential horizontal drilling locations in the Northern and Southern Delaware Basin. The company was founded in 2015 and is headquartered in Houston, Texas. Rosehill Resources Inc. is a subsidiary of Tema Oil & Gas Company.