It's not that clever because dividends are paid as a result of share holding, so no reason to not pay them because duvidends wouldn't be in the scope...
For future reference, only give permission to represent provided cv is submitted within days. In your case, if x=2, you could give agency b the same...
I agree that it does appear to be saying "don't pay dividends" but one receives dividends as a result of holding shares not as a result of providing...
The only way I would ever turn up on client site without having signed agreed terms in an agency contract is by completely rejecting the agency terms...