The company is accused by the US Environmental Protection Agency of using software to falsify emission test results for its diesel-engine cars.
Wolfgang Porsche, the chairman of family-owned Porsche Automobil Holding SE, will address thousands of workers in Wolfsburg at 9.30 a.m. local time (08:30 GMT), The Sunday Business Post reported Tuesday.
The meeting comes amid news that Volkswagen employees must take two weeks of forced leave without pay during the Christmas holidays due to a drop in sales.
Other supervisory board members, Louise Kiesling, Hans-Michel Piech and Ferdinand Oliver Porsche will also attend the staff meeting, the newspaper added.
In mid-November, the Association of European Carmakers said that the number of cars sold by the group in the European Union in October decreased 0.8 percent compared to October 2014.
Volkswagen announced it would set aside over $7 billion to mitigate the effects of the emission scandal.