Ian Poulter's inclusion means that four of the current Race to Dubai top five have committed to play in the Dubai Duty Free Irish Open in Lahinch in July.
The Ryder Cup star last played in the event in Portstewart two years ago but last competed in the Republic of Ireland in 2006.
And it will be his first competitive appearance in Munster since he was at Fota Island in Cork in 2002.
"I'm very much looking forward to it," said Poulter ahead of the Paul McGinley hosted tournament on July 4-7.
“It’s been a while and to play a run of tournaments leading up to The Open is going to be great.
“Lahinch will be a good test, a great links golf course – I haven’t played it yet but Ireland has some of the world’s best golf courses.
"The Irish are great fans and always have been great fans. They’re true followers of golf, they’re respectful, they know good shots especially in tough conditions and I expect them to be as good as they always are.
“It’s going to be a great tournament with Paul McGinley supporting the event. Paul’s a good friend of mine – I’ve known him now for a very long time as a friend and obviously as a Ryder Cup Captain.
"He’s a guy that I really respect."
Major winner Danny Willett and former world number one Lee Westwood have also been confirmed, meaning the last three winners of Rolex Series events will play the Clare links.
Shane Lowry is the most recent following his win in Abu Dhabi in January.
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