An Extinction Rebellion protester has locked himself to a car outside a resource sector women's day breakfast, briefly blocking a Brisbane city street.

The man locked himself to a car outside the event about 7am on Thursday, forcing the closure of eastbound lanes of Gregory Terrace after Brunswick Street.

The protester locked to a car outside an International Women’s Day breakfast hosted by the Queensland Resources Council. Credit:Lydia Lynch

The man was removed about 7.15am and taken into police custody, with the road reopened about 20 minutes later.

A police spokeswoman said the man was charged with parallel parking on the road and released on bail ahead of his scheduled appearance in the Brisbane Magistrates Court on March 20.