Pakistan's Army Chief Gen Ashfaq Parvez Kayani was last night given a three-year extension in service, ending months of speculation over his continuance. 58-year-old Kayani, who was to retire on November 29 this year, will continue in the key post till 2013. He had succeeded Gen Pervez Musharraf as the country's 14th army chief in November 2007. The announcement was made by the Pakistan Prime Minister Yusuf Raza Gilani in a televised address to the nation.