Unified Progressive Party

The Unified Progressive Party (UPP; Korean: 통합진보당) is a banned political party in South Korea. It was founded on 13 December 2011 as a merger of the Democratic Labor Party, the People's Participation Party of Rhyu Si-min, and a faction of the New Progressive Party. Until 12 May 2012 it was jointly chaired by Rhyu Si-min, Lee Jung-hee, and Sim Sang-jung.