Utilize the input text as a context reference, choose the right relationship between Uniper and Fortum from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

In May, the Annual General Meeting of Uniper confirmed the reorganization of the Supervisory Board with Fortum now having four representatives.

Answer: owned_by