Allion Healthcare, Inc. Announces Pricing Of Initial Public Offering

NEW YORK, June 22 /PRNewswire-FirstCall/ -- Allion Healthcare, Inc. today announced its initial public offering of 4,000,000 shares of common stock, which was priced at $13.00 per share. In addition, the Company has granted the underwriters an option, exercisable until July 21, 2005, to purchase up to an additional 600,000 shares at the initial public offering price to cover over-allotments. The common stock will be listed on the Nasdaq National Market on Wednesday, June 22, 2005 under the symbol “ALLI.”

The shares are being offered by an underwriting group managed by Thomas Weisel Partners LLC and co-managed by William Blair & Company, L.L.C. and First Albany Capital Inc. When available, a final prospectus related to the offering may be obtained by contacting Thomas Weisel Partners LLC, One Montgomery Street, Suite 3700, San Francisco, California 94104, Attn: Syndicate Desk (Tel.: (415) 364-2500; Fax: (415) 364-2529), or William Blair & Company, L.L.C., 222 West Adams Street, Chicago, Illinois 60606, Attn: Syndicate Desk (Tel.: (312) 236-1600) and First Albany Capital Inc., One Penn Plaza, 42nd Floor, New York, New York 10119, Attn: Syndicate Desk (Tel.: (212) 273-7100).

A registration statement relating to these securities was filed with and declared effective by the Securities and Exchange Commission. The public offering is being made by means of a prospectus. This press release shall not constitute an offer to sell or the solicitation of an offer to buy common stock of Allion Healthcare, Inc., nor shall there be any sale of the securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification of the securities under the securities laws of any such state or jurisdiction.

About Allion Healthcare, Inc. -- Allion Healthcare, Inc. is a national provider of specialty pharmacy and disease management services focused on HIV/AIDS patients. Allion Healthcare sells HIV/AIDS medications, ancillary drugs and nutritional supplies under the trade name MOMS Pharmacy. Allion Healthcare works closely with physicians, nurses, clinics and AIDS Service Organizations, and with government and private payors, to improve clinical outcomes and reduce treatment costs for its patients. Most of Allion Healthcare’s patients rely on Medicaid and other state-administered programs, such as the AIDS Drug Assistance Program, to pay for their HIV/AIDS medications.

CONTACT: James G. Spencer of Allion Healthcare, Inc., +1-631-870-5126.

Allion Healthcare, Inc.

CONTACT: James G. Spencer of Allion Healthcare, Inc., +1-631-870-5126