Wilson has alleged the move was an act of revenge by the White House for his opposition to the Iraq war.
On March 6, Lewis "Scooter" Libby, former chief of staff of Dick Cheney, the US vice-president, was found guilty of perjury and obstruction of justice in the case.
He faces up 25 years in prison. Sentencing is set for June 5.
When she discovered her cover was blown in the newspaper, Plame said: "I felt like I had been hit in the gut.
"It (my career) was over in an instant. And I immediately thought of my family's safety, the agents, networks that I had worked with."
The former CIA operative also said her covert job seeking intelligence about Iraq's weapons of mass destruction and ability to make secret missions overseas was abruptly ended by the disclosure.
Plame said she could not discuss details in public as she appeared before the House Oversight and Government Reform Committee.
She also said though she believed other operatives had also been affected, an internal CIA review was not shared with her.