FORM OF PRESS RELEASE
AveXis, Inc. (the Company) announced today that Goldman, Sachs & Co. and Jefferies LLC, the representatives of the several underwriters in the Companys recent public sale of shares of common stock, are [waiving] [releasing] a lock-up restriction with respect to shares of the Companys common stock held by [certain officers or directors] [an officer or director] of the Company. The [waiver] [release] will take effect on , 20 , and the shares may be sold on or after such date.
This press release is not an offer for sale of the securities in the United States or in any other jurisdiction where such offer is prohibited, and such securities may not be offered or sold in the United States absent registration or an exemption from registration under the United States Securities Act of 1933, as amended.
FORM OF LOCK-UP AGREEMENT
Goldman, Sachs & Co.
As representatives of the several Underwriters
named in Schedule I of the Underwriting Agreement
c/o Goldman, Sachs & Co.
200 West Street
New York, NY 10282-2198
c/o Jefferies LLC
520 Madison Avenue
New York, NY 10022
Re: AveXis, Inc. Lock-Up Agreement
Ladies and Gentlemen:
The undersigned understands that you, as representatives (the Representatives), propose to enter into an Underwriting Agreement on behalf of the several Underwriters named in Schedule I to such agreement (collectively, the Underwriters), with AveXis, Inc., a Delaware corporation (the Company), providing for a public offering (the Public Offering) of the common stock of the Company (the Shares) pursuant to a Registration Statement on Form S-1 to be filed with the Securities and Exchange Commission (the SEC).
In consideration of the agreement by the Underwriters to offer and sell the Shares, and of other good and valuable consideration the receipt and sufficiency of which is hereby acknowledged, the undersigned agrees that, during the period specified in the following paragraph (the Lock-Up Period), the undersigned will not offer, sell, contract to sell, pledge, grant any option to purchase, make any short sale or otherwise dispose of (each, a Transaction) any shares of common stock of the Company (Common Stock), or any options or warrants to purchase any shares of Common Stock of the Company, or any securities convertible into, exchangeable for or that represent the right to receive shares of Common Stock of the Company, whether now owned or hereinafter acquired, owned directly by the undersigned (including holding as a custodian) or with respect to which the undersigned has beneficial ownership within the rules and regulations of the SEC (collectively the Undersigneds Shares), or exercise any right with respect to the registration of any of the Undersigneds Shares, or