 In late February 2009, Sibir Energy suspended its chief executive with immediate effect and launched an investigation into property dealings that the company had agreed with one of its former largest shareholders Shalva Chigirinsky.The company is suing Shalva Chigirinsky for at least US$325 million for a failed bid to sell his real estate assets to the company.On July 8 2009, Russian police raided into the company's Moscow office and took away some corporate documents.