Seven & i says such proposals would hurt long-term value by disrupting its ongoing transformation. It has urged shareholders to back its slate of board nominees. Isaka said 7-Eleven is reliant on staff and know-how from Seven & i's supermarket businesses, such as Ito-Yokado, in developing products for its "Seven Premium" private brand. In overseas markets, not just Japan, there is a correlation between sales of fresh foods such as bento boxed lunches and the number of customers, he said.