Yokohama FC Hong Kong
On 9 June 2013, Annan joined Kitchee on a free transfer along with his former Tai Po strike partner Alex. On 3 September 2013, Annan made his debut for Kitchee in a 6–2 victory against Sun Hei. On 19 October 2013, Annan scored his first goal for Kitchee by netting the winner in a 1–0 victory against Yokohama FC Hong Kong.