Mo. Rev. Stat. § 380.311: Articles of merger, content — executed by corporate officers.

Upon the approval of the members, articles of merger shall be executed in duplicate by each corporation by its president or a vice president, and verified by him, and the corporate seal of each corporation shall be thereto affixed, attested by its secretary or an assistant secretary, and shall set forth:

(1) The plan of merger;

(2) As to each corporation, the number of members;

(3) As to each corporation, the number of members voting for and against such plan, respectively.