Asked if he would repeat his claims about Comey under oath, Trump said: "100%".
TRUMP: 100%. I didn't say under oath - I hardly know the man, I'm not going to say I want you to pledge allegiance.
The remarks, at a bilateral press conference with Romania's president, are Trump's first extensive public comments since Comey's bombshell testimony on Thursday that Trump demanded his "loyalty" and in a later meeting brought up Flynn and said he hoped Comey would "let this go".
Trump was expected to face journalists later Friday in a joint news conference with Romanian President Klaus Iohannis, who is visiting the White House. "Frankly, James Comey confirmed a lot of what I said, and some of the things he said just weren't true".
He portrayed Trump as a chief executive dismissive of the FBI's independence and made clear that he interpreted Trump's request to end an investigation into his former national security adviser as an order coming from the president. But the president accusing the former FBI director of a felony is sure to pique the interest of Special Counsel Robert Mueller, whose investigation into possible collusion between the Trump campaign and Russian Federation is picking up momentum.
Trump ignored a question on how he could accuse Comey of lying on one hand, and being truthful on the other. If Trump hadn't violated all good sense and asked for a private session with Comey to ask (allegedly) for loyalty and for him to drop the Flynn investigation, Comey would have had little to testify about, given that he can't talk about the Russian Federation investigation. I mean, I will tell you I didn't say that.
But, the President added, "There would be nothing wrong if I did say it, according to everybody that I've read today, but I did not say that".
TRUMP: I didn't say that.
Karl: When will you tell us about the recordings? "Lordy, I hope there are tapes", he said to the senators.
But Trump refused to answer.
Now, asking your own campaign supporters to pledge to vote for you is, well, very different from asking the head of the Federal Bureau of Investigation to pledge his loyalty to you, but Wolf Blitzer said, "He says he would never ask anyone for a pledge, he clearly asked those folks for a pledge".
"Well, I'll tell you about that maybe sometime in the very near future", Trump said.
While disputing Comey's testimony, Trump castigated the entire hearing as "just an excuse" for Democrats to blame their election loss on a false narrative about Russian Federation. "Yesterday showed no collusion, no obstruction", Trump said.
But his appearance had been billed as Watergate and the Clinton impeachment rolled into one, another step toward Trump getting permanently helicoptered out of the White House in a Nixonian tableau, and by this standard, his testimony didn't deliver.
Detailing one-on-one talks with a sitting president - which under normal circumstances are private - Comey said he took painstaking notes for fear Trump might "lie" about the unusual encounters.
Congressional staffers say the committee would reserve the opportunity to ask Mr Kushner for documents or to answer further questions at a later date.
For the past month, Trump and his aides have repeatedly stonewalled on whether the president actually routinely had his White House conversations recorded - a practice that ended amid the Watergate scandal that led to President Richard Nixon's resignation.