Ohio Rev. Code Ann. § 1701.74
(A) If an amendment does any of the following, then shareholders are entitled to relief to the extent provided in division (B) of this section:
(B) In the cases provided for in divisions (A)(1) and (2) of this section, dissenting holders of shares of such particular class, and, in the cases provided for in divisions (A)(3) and (4) of this section, dissenting holders of shares of any class, shall be entitled to relief under section 1701.85 of the Revised Code, subject to the following exceptions: