Beattie has 18 months left on his current contract, having arrived at the Britannia Stadium in January, 2009.
On Monday Stoke said they would hold an investigation into the incident, which occurred after Pulis told his players he expected them to train on Monday despite having previously agreed to give them the day off to attend a Christmas party.
Subsequent reports suggested Beattie had apologised to Pulis but it emerged on Tuesday that this was not the case.
He did not train with the rest of the Stoke squad on Monday, although he did spend around 30 minutes at the club's training ground before departing.
Beattie became a big favourite at the club when his seven goals during last season's run-in played a significant part in keeping Stoke in the Premier League.
And while he has only scored twice this season, in October's 2-1 win over West Ham, Beattie has still been a key member of a squad that currently sits in 11th, seven points off the relegation zone.
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