Atlantic Power Announces Cancellation of Convertible Debentureholder Meeting and Intention to Defease Convertible Debentures News provided by Share this article Share this article DEDHAM, Mass., April 29, 2021 /PRNewswire/ -- Atlantic Power Corporation (NYSE: AT) (TSX: ATP) ("Atlantic Power" or the "Company") announced today that it has cancelled the meeting of holders of its 6.00% Series E convertible unsecured subordinated debentures due January 31, 2025 (the "Convertible Debentures") scheduled to be held on April 29, 2021 to consider the previously announced proposed transaction among Atla...