The Privy Council Office indeed participated vigorously in both summits. There were a number of places in the Privy Council Office that supported the Prime Minister in the most recent meeting in early January, including the operations secretariat, where the policy experts on aboriginal issues would be housed, including many people in my own branch, to support the meeting actually taking place, to facilitate it—everything from the room, to food, to access to the building.
On April 25th, 2013. See this statement in context.