Pakistan President Asif Ali Zardari and Prime Minister Yousuf Raza Gilani co-chaired a meeting on Wednesday to review the status of the UN international commission to probe the assassination of former premier Benazir Bhutto.
The two leaders expressed satisfaction at the progress on Pakistan's request for a probe by the UN and the support received from the world body for setting up the fact-finding international commission.
The meeting, held at the presidency, was briefed by Pakistan's Permanent Representative to the UN, Hussain Haroon.
Zardari and Gilani thanked UN Secretary General Ban Ki Moon and members of the UN Security Council for their cooperation, said an official statement.
Bhutto was assassinated by a suicide bomber shortly after addressing an election rally in the garrison city of Rawalpindi in December 2007.
The regime of former President Pervez Musharraf blamed Pakistani Taliban commander Baitullah Mehsud for masterminding her killing.
After coming to power in last year's general election, Bhutto's Pakistan People's Party sought a probe by the UN to expose the "hidden hands" behind the assassination.