Any purchase or other acquisition of securities by a registered investment company pursuant to the exercise of warrants or rights to subscribe to or to purchase securities shall be exempt from the provisions of section 10(f) (section 10(f), 54 Stat. 807; 15 U.S.C. 80a-10 ) of the Act, Provided, That the warrants or rights so exercised (a) were offered or issued to such company as a security holder on the same basis as all other holders of the class or classes of securities to whom such warrants or rights were offered or issued, and (b) do not exceed 5 percent of the total amount of such warrants or rights so issued.
17 C.F.R. §270.10f-2