Equity Offerings

Novavax, Inc. (NASDAQ: NVAX) today announced that it has priced an underwritten public offering of 6,800,000 shares of its common stock at a price to the public of $3.30 per share. The approximately $21 million of net proceeds, after deducting the underwriting discounts and commissions, will be used for preclinical studies and clinical trials of our VLP-based vaccines, internal research and development programs, working capital, capital expenditures and other general corporate purposes. The offering is expected to close on or about November 25, 2009, subject to the satisfaction of customary closing conditions.

Piper Jaffray & Co. and Lazard Capital Markets LLC are acting as joint book running managers.

Medidata Solutions, Inc. (NASDAQ: MDSO) today announced that it filed a registration statement with the Securities and Exchange Commission for a proposed public offering of 4.5 million shares of common stock of the company. The shares are being offered by certain stockholders of the company, including funds affiliated with Insight Venture Partners. Medidata Solutions will not receive any of the proceeds from the intended offering. To the extent that the underwriters sell more than 4.5 million shares of common stock, the selling stockholders intend to grant the underwriters an option for a period of 30 days to purchase up to 675,000 additional shares of common stock.

Citigroup Global Markets, Inc. and Credit Suisse Securities (USA) LLC are acting as joint bookrunning managers for the proposed offering. Jefferies & Company, Inc. and Needham & Company, LLC are acting as co-managers.

Emergency Medical Services Corporation (NYSE: EMS) today announced that certain of its equity holders, primarily affiliates of Onex Corporation, have priced a public secondary offering of 8,000,000 shares (increased from 6,000,000) of class A common stock at $48.31 per share. The underwriters will have a 30-day option to purchase up to an additional 1,200,000 shares of class A common stock. The offering is expected to close on November 25, 2009, subject to customary closing conditions.

EMSC will not receive any proceeds from the offering. The shares are being offered primarily by affiliates of Onex Corporation (the "Onex Entities"). The Onex Entities' shares represent approximately 35% of the Onex Entities' equity interests in EMSC. After giving effect to this offering, the Onex Entities will own approximately 35% of the equity interests in EMSC and approximately 84% of the combined voting power, not including the impact of any exercise by the underwriters of the 30-day option to purchase additional shares of class A common stock.

BofA Merrill Lynch, Goldman, Sachs & Co. and J.P. Morgan Securities Inc. are acting as joint bookrunners for the offering.

Novavax, Inc. (NASDAQ: NVAX) today announced that it intends to offer shares of its common stock in an underwritten public offering. Piper Jaffray & Co. and Lazard Capital Markets LLC are acting as joint book running managers.

HF Financial Corp. (NASDAQ: HFFC) today announced the pricing of an underwritten public offering of 2.5 million shares of its common stock at a public offering price of $8.00 per share, for gross proceeds of $20 million. The net proceeds of the offering after deducting underwriting discounts and commissions and estimated offering expenses are approximately $17.939 million.

The Company expects to close the sale of common stock, subject to customary conditions, on or about November 25, 2009.

Sandler O'Neill + Partners, L.P. acted as the sole underwriter for the offering. The Company has granted the underwriter a 30-day option to purchase up to an additional 375,000 shares of the Company's common stock to cover over-allotments, if any.