The Coalition of Progressive Organizations (, COP) was an electoral alliance formed in Formentera by the Socialist Party of the Balearic Islands, United Left of the Balearic Islands and The Greens to contest the 1999 and 2003 regional elections.
Composition Party Socialist Party of the Balearic Islands (PSIB–PSOE) United Left of the Balearic Islands (EUIB) The Greens (EV)