But it is believed that he made up his mind about joining Barca as early as January.
Aubameyang, 30, will have only one year left on his current deal by the end of the season.
If he does not sign a new deal, the Gunners will be faced with the dilemma of keeping him until he is a free agent or selling.
The Gabon striker is currently the Premier League’s joint-top goalscorer with 17 goals.
Aubameyang has also been linked with Real Madrid and Inter Milan.
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