The National Assembly Speaker said she has no regrets about what she did last week.
The EFF has lodged a formal complaint after Parliament’s live TV feed was cut as chaos unfolded in the house.
EFF leader Julius Malema has accused the ruling party of compromising the integrity of Parliament.
Malema said yesterday's chaos in the National Assembly has put South Africa in a constitutional crisis.
Shivambu said he raised his middle finger to show his disgust at the loss of workers' lives at Marikana.
The party's representatives on the committee stormed out soon after the hearing resumed.