In 2009 and 2010, the US and EU fined the company, along with eight other memory chip manufacturers, for its part in a price-fixing scheme that occurred between 1999 and 2002. Other companies fined included Infineon Technologies, Elpida Memory and Micron Technology.[23][24][25][26][27] In December 2010, the EU granted immunity to Samsung Electronics for acting as an informant during the investigation (LG Display, AU Optronics, Chimei InnoLux, Chunghwa Picture Tubes and HannStar Display were implicated as result of the company's intelligence).[28][29]