that is resistant to European corn borers. 1995 Pioneer stock is listed on the NYSE as PHYB. 1996 Pioneer acquires 20% stake in Sunseeds Co. (a hybrid vegetable seed producer) in exchange for Pioneer's vegetable seed operation. 1997 DuPont acquires a 20% stake in Pioneer and the companies form a joint venture called Optimum Quality Grains LLC. 1999 DuPont purchases the remaining 80% of Pioneer for $7.7 billion. 2006 DuPont and Syngenta announce GreenLeaf Genetics LLC, a joint venture to market seed genetics and biotech traits. 2010 DuPont and Syngenta end their joint venture, GreenLeaf Genetics LLC, with Syngenta retaining complete ownership. 2012 Pioneer announces update to business name to be DuPont Pioneer. 2012 Lawsuit regarding pesticides and dust by 200 residents of Waimea, Kauai against Pioneer Hi-Bred International, a DuPont company. 2012 DuPont Pioneer completes acquisition of Panaar Seeds 2013 DuPont agrees to pay Monsanto Co. at least $1.75 billion in a new licensing deal and both companies have agreed to dissolve their bitter legal battles over rights to technology for genetically modified seeds. 2014 S&W Seed Company announces closing of acquisition of DuPont Pioneer alfalfa research and production assets. 2017 Merges with Dow Agrosciences to form the Agriculture Division of DowDuPont. 2019 The agriculture division is named Corteva and spun off from DowDuPont. Today The headquarters of DuPont Pioneer are located in Johnston, Iowa, with additional offices around the world. Pioneer produces, markets and sells hybrid seed corn in nearly 70 countries worldwide. The company also markets and sells hybrids or improved varieties of sorghum, sunflower, soybean, alfalfa, canola, rice and wheat, as well as forage and grain additives. Worldwide, Pioneer sells products through a variety of organizations, including wholly owned subsidiaries (Curry Seed, NuTech Seed, Hoegemeyer Hybrids, Doeblers Seed, Seed Consultants Inc, Terral Seeds, AgVenture Inc) joint ventures, sales representatives, and independent dealers (Burrus Hybrids, Beck's Superior Hybrids). Pioneer makes and sells hybrid seed and genetically modified seed, some of which goes on to become genetically modified food. Genes engineered into their products include the LibertyLink gene, which provides resistance to Bayer's Ignite/Liberty herbicides; the Herculex I Insect Protection gene which provides protection against various insects; the Herculex RW insect protection trait, which provides protection against other insects; the YieldGard Corn Borer gene, which provides resistance to another set of insects; and the Roundup Ready Corn 2 trait, which provides crop resistance against glyphosate herbicides. In 2010