- Volkswagen wants to increase executive board members' pay by up to 25%.
- Some investors are concerned about CEO Oliver Blume's dual role at VW and Porsche.
- Shareholders will vote on the proposed pay rise in May.
- The supervisory board members could also see a significant pay rise.
- Union Investment plans to engage with VW on the proposed executive remuneration strategy.
VW plans 25% pay increase for executive board members
Move comes amid wider concerns over chief Oliver Blume’s role as boss of both VW and Porsche
