PTR [PETROCHINA CO] 6-K: 中國石油天然氣股份有限公司 PETROCHINA COMPANY LIMITED (a joint stock limited
[中國石油天然氣股份有限公司 PETROCHINA COMPANY LIMITED (a joint stock limited company incorporated in the Peoples Republic of China with limited liability) (Stock Code: 857) Price Sensitive Information Company Notice On 30 December 2011, PetroChina Company Limited (the The general ideas of this pilot reform on price are as follows: (i) to change the current prevailing cost-plus pricing method to netback market] [99.1 Announcement dated January 5, 2012 relating to price sensitive information. PetroChina Company Limited Dated: January 5, 2012]