EX-HBO Chief Executive Richard Plepler has his next project in the works.

The well-connected exec is starting his own company, dubbed “RLP & Company,” The Post has learned.

Sources suggested that Plepler could consult with brands but there are few details available on the execs new gig. Sources close to the exec said he is bound by a non-compete agreement that prohibits working for any HBO competitors.

Plepler meanwhile has been spotted walking the grounds of the Sun Valley Resort at Allen & Co,’s annual conference here, known by media types and locals here as “billionaires summer camp.”

Plepler exited HBO in February amid a broader shake-up at WarnerMedia, its parent company. At the time, AT&T, which acquired WarnerMedia, then known as Time Warner, was in the process of retooling executive leadership at the entertainment unit.

Under WarnerMedia CEO John Stankey, the company brought on former NBC Entertainment chairman Bob Greenblatt to oversee HBO, Turner and WarnerMedia’s upcoming streaming service.

Plepler, who worked at the company for 28 years, stepped down amid the reshuffling, following longtime Turner president David Levy out the door.

For media types, a Plepler sighting could be the stuff of media gossip, as his former boss Stankey is expected to attend the conference as well.

But chasing down Stankey may be more newsworthy. On Tuesday, company brass said it was launching HBO Max, a subscription video service loaded with content from HBO, TBS, TNT, Cartoon Network and CNN. The service is meant to compete with the likes of Netflix, Hulu and Disney’s Disney+ service, among others.

Shari Redstone rumored to be center of media merger

There’s one name on the lips of every media reporter covering Sun Valley this year, and it’s Shari Redstone.

The heiress, whose family owns a majority stake in CBS and Viacom, is at the center of what is rumored to be the next big media merger.

But Redstone was mum when The Post approached her as she power-walked towards the Sun Valley Inn.

“Of course you can ask anything in the universe but this is Sun Valley, and I don’t have to answer,” she said with a smile. “Have a nice day!”

While Redstone wasn’t too keen on talking business, she did divulge that she’s very into audio and wants to make it a priority for Viacom, too. The heiress invested early in the podcast company Wondery and Headspace, a meditation app.

“I focus on meditation because of you guys,” she said, referring to the gaggle of reporters chasing her this week.

Barry Diller grumbles past reporters

Barry Diller, with his wife, designer Diane von Furstenberg, grumbled past reporters Wednesday morning to make sure he didn’t miss breakfast before Allen & Co.’s conference programming began.

“I’m so hungry. What do you want?” Diller griped.

Moments later, Haim Saban, who controls Spanish-language broadcaster Univision, walked briskly by.

“Want to talk Univision?” The Post and other reporters shouted out.

“Good morning. Good morning,” repeated Saban with his head down.

Guess not.