Was only a matter of time before Trump began throwing supporters under the bus
Trump released Bannon from the privilege in a Saturday letter to Costello, saying: "If you reach an agreement on a time and place for your testimony, I will waive executive privilege for you, which will allow for you to in and testify truthfully and fairly as per the request of the Unselect Committee of political Thugs and Hacks."
https://www.usatoday.com/story/news/politics/2022/07/10/steve-bannon-testify-jan-6-committee-trump/10025135002/Although I wouldn't expect the answer to any relevant question to be other than "The Fifth". But it will get him Steve Bannon out from under the Contempt of Congress charges and an opportunity to repeat the Holy Grail in an opening statement. Was pretty hard for him to claim executive privilege when the White House Counsel managed to find a way to answer the subpoena while honoring both executive privilege and lawyer-client privilege.