AnaptysBio Files Registration Statement for Proposed Public Offering

SAN DIEGO, Oct. 10, 2017 -- AnaptysBio, Inc. (NASDAQ:ANAB), a clinical stage biotechnology company developing first-in-class antibody product candidates focused on unmet medical needs in inflammation, today announced that it intends to offer and sell 3,000,000 shares of its common stock in an underwritten public offering. In addition, AnaptysBio intends to grant the underwriters a 30-day option to purchase up to an additional 450,000 shares of common stock. The offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

Credit Suisse, Jefferies and Stifel are acting as joint book-running managers for the proposed offering.

The offering will be made only by means of a prospectus. When available, copies of the preliminary prospectus relating to the offering may be obtained by contacting Credit Suisse Securities (USA) LLC, Attention: Prospectus Department, Eleven Madison Avenue, New York, NY 10010, or by telephone at (800) 221-1037, or by email at [email protected]; or Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 2^nd Floor, New York, NY 10022, or by telephone at (877) 821-7388, or by email at [email protected]; or Stifel, Nicolaus & Company, Incorporated, Attention: Syndicate, One Montgomery Street, Suite 3700, San Francisco, CA 94104, or by telephone at (415) 364-2720, or by email at [email protected].

A registration statement relating to these securities has been filed with the SEC, but has not yet become effective. These securities may not be sold, nor may offers to buy be accepted, prior to the time the registration statement becomes effective.

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

Forward-Looking Statements
This press release contains forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to: the size and completion of the proposed offering. Statements including words such as “plan,” “continue,” “expect,” or “ongoing” and statements in the future tense are forward-looking statements. These forward-looking statements are subject to risks and uncertainties that may cause the company’s actual activities or results to differ materially from those expressed or implied in such forward-looking statements, including risks and uncertainties described under the heading “Risk Factors” in documents the company files from time to time with the Securities and Exchange Commission. These forward-looking statements speak only as of the date of this press release, and the company undertakes no obligation to revise or update any forward-looking statements to reflect events or circumstances after the date hereof.

Contact:
Monique Allaire
THRUST Investor Relations
617.895.9511
[email protected]

Chelcie Lister
THRUST Investor Relations
910.777.3049
[email protected]