Minn. Stat. § 302A.455: SHAREHOLDER VOTING AGREEMENTS.

A written agreement among persons who are then shareholders or subscribers for shares to be issued, relating to the voting of their shares, is valid and specifically enforceable by and against the parties to the agreement. The agreement may override the provisions of section 302A.449 regarding proxies and is not subject to the provisions of section 302A.453 regarding voting trusts.