The Convention between the United Kingdom and China, Respecting an Extension of Hong Kong Territory,[2] commonly known as the Convention for the Extension of Hong Kong Territory or the Second Convention of Peking, was a lease and unequal treaty signed between Qing China and the United Kingdom in Peking on 9 June 1898, leasing to the United Kingdom for 99 years, at no charge, the New Territories (as the area became known) and northern Kowloon, including 235 islands.[3][4]