This news release does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval. This news release relates to a business combination transaction with Tenet proposed by CHS, which may become the subject of a registration statement filed with the SEC. CHS intends to file a proxy statement with the SEC in connection with Tenet's 2011 annual meeting of shareholders. Any definitive proxy statement will be mailed to shareholders of Tenet.