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

SAN FRANCISCO–(BUSINESS WIRE)–#DNA–Twist Bioscience Corporation (NASDAQ: TWST), a company enabling customers to succeed through its offering of high-quality synthetic DNA using its silicon platform, today announced the closing of its upsized underwritten public offering of 5,339,285 shares of its common stock at a price of $28.00 per share, which includes the exercise in full by the underwriters of their option to purchase up to an additional 696,428 shares of common stock in this offering. Twist estimates net proceeds from the offering to be approximately $140.0 million, after deducting underwriting discounts and commissions and estimated offering expenses.

Twist intends to use the net proceeds of the offering, along with its existing cash, cash equivalents and short-term investments to scale investment in its research and development organization, which includes investing in pharmaceutical biologics drug discovery and in DNA data storage, to increase its investment in its commercial organization to support the growth of its NGS, synbio, pharmaceutical biologics drug discovery programs and its global expansion, to scale its NGS operations and to expand its production capacity, with the remainder to be used for working capital and general corporate purposes.

J.P. Morgan Securities LLC, Cowen and Company, LLC and Evercore Group L.L.C. acted as joint book-running managers. Robert W. Baird & Co. Incorporated acted as lead manager.

The public offering was made by Twist pursuant to a shelf registration statement on Form S-3 that was previously filed with and declared effective by the U.S. Securities and Exchange Commission (the “SEC”). This offering was made only by means of a written prospectus and a prospectus supplement that form a part of the registration statement. A preliminary prospectus supplement and accompanying prospectus relating to the offering has been filed with the SEC and is available on the SEC’s website at http://www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus relating to the offering may also be obtained by request from J.P. Morgan Securities LLC c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or by telephone at (866) 803-9204, or by email at [email protected], or from Cowen and Company, LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, Attn: Prospectus Department, by email at [email protected] or by telephone at (833) 297-2926, or from Evercore Group L.L.C. c/o Equity Capital Markets, 55 East 52nd Street, 35th Floor, New York, NY 10055, or by telephone at (888) 474-0200, or by email at [email protected].

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any offer, solicitation, or 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.

Legal Notice Regarding Forward-Looking Statements

This press release contains forward-looking statements. Various statements in this release concerning Twist’s future expectations, plans and prospects, including without limitation, the anticipated use of the net proceeds of the offerings, may constitute forward-looking statements for the purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995 and other federal securities laws and are subject to substantial risks, uncertainties and assumptions. All statements other than statements of historical facts contained herein are forward-looking statements reflecting the current beliefs and expectations of management made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. You should not place reliance on these forward-looking statements, which often include words such as “anticipate,” “believe,” “contemplate,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “seek,” “should,” “suggest,” “target,” “will,” “will give,” “would,” or similar terms, variations of such terms or the negative of those terms. Although Twist believes that the expectations reflected in the forward-looking statements are reasonable, Twist cannot guarantee such outcomes. Such forward-looking statements involve known and unknown risks, uncertainties, and other important factors that may cause Twist Bioscience’s actual results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, the risks and uncertainties of the ability to attract new customers and retain and grow sales from existing customers; risks and uncertainties of rapidly changing technologies and extensive competition in synthetic biology could make the products Twist Bioscience is developing obsolete or non-competitive; uncertainties of the retention of a significant customer; risks of third party claims alleging infringement of patents and proprietary rights or seeking to invalidate Twist Bioscience’s patents or proprietary rights; and the risk that Twist Bioscience’s proprietary rights may be insufficient to protect its technologies. For a further description of the risks and uncertainties that could cause actual results to differ from those expressed in these forward-looking statements, as well as risks relating to Twist Bioscience’s business in general, see Twist Bioscience’s risk factors set forth in Twist Bioscience’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on February 10, 2020. Any forward-looking statements contained in this press release speak only as of the date hereof, and Twist Bioscience specifically disclaims any obligation to update any forward-looking statement, whether as a result of new information, future events or otherwise.

Contacts

Twist Investor Contact:

Argot Partners

Maeve Conneighton

212-600-1902

[email protected]

Twist Media Contact:

Angela Bitting

925-202-6211

[email protected]