The company was established in 1905 as Norsk Hydro – the world's first producer of mineral nitrogen fertilizers – and de-merged as Yara International ASA on March 25, 2004. Yara is listed on the Oslo Stock Exchange and has its headquarters in Oslo. Yara Pilbara Fertilizers is a wholly owned subsidiary of Yara International ASA. Yara Pilbara Nitrates is a joint Venture Between Yara International ASA and Orican Investments Pty Ltd