AveXis Announces Closing of Public Offering of Common Stock and Full Exercise of Underwriters’ Option to Purchase Additional Shares

CHICAGO, Jan. 22, 2018 -- AveXis, Inc. (NASDAQ:AVXS) today announced the closing of its previously announced underwritten public offering of 4,509,840 shares of its common stock at a price to the public of $102.00 per share before underwriting discounts and commissions, including 588,240 shares sold pursuant to the underwriters’ full exercise of their option to purchase additional shares. The net proceeds to AveXis from the offering, after deducting the underwriting discounts and commissions and other offering expenses payable by AveXis, are estimated to be approximately $431.9 million.

AveXis intends to use its existing cash and cash equivalents and the net proceeds of the offering to fund its research, manufacturing and clinical activities to support its programs in SMA, Rett syndrome and ALS, to fund its pre-commercial activities, including medical affairs, development of commercial initiatives for the potential launch of AVXS-101 and licensing activities, and for general corporate purposes and working capital.

Goldman Sachs & Co. LLC, Jefferies LLC and BofA Merrill Lynch acted as joint book-running managers. BMO Capital Markets Corp. acted as lead manager.

The offering was made pursuant to a shelf registration statement on Form S-3 that was filed by AveXis with the Securities and Exchange Commission (“SEC”) and became automatically effective on March 17, 2017. The offering was made only by means of a written prospectus and prospectus supplement that form a part of the registration statement. A final prospectus supplement and accompanying prospectus relating to and describing the terms of the offering has been filed with the SEC. Copies of the final prospectus supplement and accompanying prospectus may be obtained for free by visiting EDGAR on the SEC’s website at www.sec.gov. Alternatively, copies of the final prospectus supplement and the accompanying prospectus may also be obtained for free from the offices of Goldman Sachs & Co. LLC, Attention: Prospectus Department, 200 West Street, New York, NY 10282; by telephone at 1-866-471-2526; or by email at [email protected], Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 2nd Floor, New York, NY 10022; by phone at 1-877-821-7388; or by email at [email protected], or BofA Merrill Lynch at NC1-004-03-43, 200 North College Street, 3rd floor, Charlotte, NC 28255-0001, Attention: Prospectus Department or by email at [email protected].

This press release shall not constitute an offer to sell or a solicitation of an offer to buy any of these securities, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the applicable securities laws of such state or jurisdiction.

About AveXis, Inc.
AveXis is a clinical-stage gene therapy company developing treatments for patients suffering from rare and life-threatening neurological genetic diseases. The company’s initial proprietary gene therapy candidate, AVXS-101, is in the pivotal phase of study for the treatment of SMA Type 1, and a Phase 1 trial for SMA Type 2. The company also intends to expand its development of gene therapy into two additional rare neurological monogenic disorders: Rett syndrome and a genetic form of amyotrophic lateral sclerosis caused by mutations in the superoxide dismutase 1 gene.

Media Inquiries:
Lauren Barbiero
W2O Group
646-564-2156
[email protected]

Investor Inquiries:
Jim Goff
AveXis, Inc.
650-862-4134
[email protected]