 At the 2011 local elections Matute was placed 25th on the Bildu's list of candidates in Barakaldo but the allaince only managed to win four seats in the municipality and as a result he failed to get elected.He contested the 2012 regional election as an EH Bildu electoral alliance candidate in the Province of Biscay and was re-elected to the Basque Parliament.Matute contested the 2016 general election as an EH Bildu candidate in the Province of Biscay and was elected to the Congress of Deputies.