"I'm no longer astonished by the spreading of unfounded rumours aimed at tarnishing my image at an important moment for the future of football.
"Nothing surprises me any longer," the European football boss responded.
The Daily Telegraph alleged that the French football legend had held "a secret meeting" with Mohamed Bin Hammam, the controversial Qatari accused of making slush fund payments to secure support for Qatar's 2022 campaign.
The paper said Platini, who may challenge Sepp Blatter as boss of world football's ruling body FIFA next year, held private talks with Bin Hammam "shortly before FIFA awarded the 2022 World Cup to Qatar".
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Platini accepted that he had met Bin Hammam.
"I find it incredible that talks with a FIFA executive committee member colleague at the time can be transformed into a state conspiracy.
- proof of 'transparency' -
===========================
"I certainly met Mr Mohamed Bin Hammam several times in 2010 as we were both of us executive committee members since 2002.
"In these conversations....The object of the discussions was the candidacy for the FIFA presidency," he added.
"Mr Bin Hammam was in fact seeking to convince me to stand for the FIFA presidency in the 2011 elections."
"That's proof of my total transparency, and that no one has dictated my behaviour.