Comey felt President Trump was directing him to end the probe of retired Gen. Michael Flynn, the former national security advisor, even if Trump did not word his request as a direct order.
"He's a leaker", Trump said dismissively.
Appearing with Romanian President Klaus Iohannis on Friday, Trump also reiterated his call for North Atlantic Treaty Organisation members to meet the guideline - along with his claim that North Atlantic Treaty Organisation members should repay what he regards as underpayments from previous years.
"Yes, absolutely I would be committed to Article 5", he concluded.
"I am committing the United States to Article 5", Trump said at Friday's press conference, referring to the alliance's principle that an attack on one North Atlantic Treaty Organisation nation is an attack on them all. Trump wrote at 6:10 a.m. Asked directly whether he was recording conversations in the Oval Office - a claim he hinted at on Twitter last month - Trump dodged. He hoped the news would trigger the appointment of a special counsel, which it did.
Comey wrote down meticulous notes after his conversations with Trump because he anxious Trump would lie about the interactions.
The attorney is expected to file a complaint with the Justice Department inspector general about the revelation next week, according to a person close to the legal team who agreed to speak before the filing on condition that the person's name is not used. Still, he maintained he had never asked Comey for a pledge of allegiance.
While Trump's staunchest supporters have tried to paint Comey's testimony as vindication for the president, few Republicans who don't work for Trump stepped in to defend the president's version of his contacts with Comey. She called Comey an "honorable individual".
He also offered a blunt assessment Friday of Comey's testimony before the Senate intelligence panel.
"And I think you saw today the overwhelming majority of the intel members, Democrats and Republicans, feel that Jim Comey is credible. He's everything that's wrong in Washington", Lewandowski said.