Three likely Republican presidential contenders will appear together on a panel Sunday in this year's first forum of likely candidates. 

Sens. Ted CruzRafael (Ted) Edward CruzOvernight Energy: Oil giants meet with Trump at White House | Interior extends tenure of controversial land management chief | Oil prices tick up on hopes of Russia-Saudi deal Oil giants meet at White House amid talk of buying strategic reserves Florida sheriff asks for new leads in disappearance of Carole Baskin's former husband after Netflix's 'Tiger King' drops MORE (Texas), Rand PaulRandal (Rand) Howard PaulGeorgia governor says he didn't know asymptomatic people could spread coronavirus McConnell: Impeachment distracted government from coronavirus threat Warren knocks McConnell for forcing in-person Senate vote amid coronavirus pandemic MORE (Ky.) and Marco RubioMarco Antonio RubioThe Hill's Morning Report - Presented by Facebook - US officials expect 'saddest week,' glimmers of COVID-19 relief Momentum grows to change medical supply chain from China Confusion surrounds launch of 9B in small-business loans MORE (Fla.) will appear at the forum, moderated by ABC's Jonathan Karl. 

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The panel, titled the "American Recovery Policy Forum" is part of the winter meeting of Freedom Partners, a conservative, free-market group aligned with the mega-donors Charles and David Koch. It will take place in Palm Springs, Calif.

"Our members care deeply about the future of our nation and we're honored to host some of today's most influential and respected leaders in shaping public policy," James Davis, a spokesman for the group, said in a statement. "We hope that this panel will give each participant the opportunity to lay out their vision for a more free and prosperous society." 

While the official Republican presidential primary debates do not begin until August, the panel is a sign that joint appearances could begin before that. 

Cruz will also appear at the Iowa Freedom Summit, hosted by Rep. Steve King (R-Iowa), on Saturday. Other possible presidential contenders, including New Jersey Gov. Chris Christie, Wisconsin Gov. Scott Walker, and former Texas Gov. Rick Perry will also speak there. 

The events are a further indication that the jockeying for the nomination has begun even before any candidate has officially announced a candidacy. 

Rubio and Paul, in particular, have clashed over President Obama's move to open relations with Cuba, and they will now appear side-by-side at the event Sunday. 

The panel will be live streamed at 11:30 p.m. Sunday on ABCNews.com.

This post was updated at 4:44 p.m.