One copy of Schedule 14N (§ 240.14n-101) filed pursuant to §§ 240.14n-1 and 240.14n-2 shall be mailed by registered or certified mail or electronically transmitted to the registrant at its principal executive office. Three copies of the material must at the same time be filed with, or mailed for filing to, each national securities exchange upon which any class of securities of the registrant is listed and registered.