Biodel, Albireo, their respective directors and executive officers and other persons may be deemed to be participants in the solicitation of proxies from Biodel's stockholders in connection with Biodel's 2016 Annual Meeting of Stockholders under the rules of the SEC. Information about these participants, and a description of their direct and indirect interests, by security holdings or otherwise, may be found in the definitive proxy statement that Biodel filed with the SEC on September 19, 2016 relating to its 2016 Annual Meeting of Stockholders. The definitive proxy statement was mailed to all stockholders of record as of the record date set for the 2016 Annual Meeting of Stockholders and can also be obtained free of charge from the sources indicated above. Other information regarding participants in the proxy solicitation may be contained in other relevant materials filed by Biodel with the SEC.