Caribou Biosciences Announces Proposed Public Offering of Common Stock

BERKELEY, Calif., July 13, 2023 (GLOBE NEWSWIRE) -- (Nasdaq: CRBU), a leading clinical-stage CRISPR genome-editing biopharmaceutical company, today announced it has commenced an underwritten public offering of $100 million of shares of its common stock. Caribou intends to grant the underwriters a 30-day option to purchase up to an additional $15 million of shares of its common stock at the public offering price, less the underwriting discounts and commissions. All of the shares in the proposed offering will be offered by Caribou. The proposed 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 proposed offering.

BofA Securities, Leerink Partners, Evercore ISI, and RBC Capital Markets are acting as book-running managers for the proposed offering.

The securities are being offered by Caribou pursuant to an effective shelf registration statement on Form S-3 that was previously filed with the U.S. Securities and Exchange Commission (SEC) on August 9, 2022. A preliminary prospectus supplement and accompanying prospectus relating to and describing the terms of the offering will be filed with the SEC and will be available on the SEC’s website at Copies of the preliminary prospectus supplement and accompanying prospectus relating to the proposed public offering may be obtained, when available, from: BofA Securities, NC1-022-02-25, 201 North Tryon Street, Charlotte, NC 28255-0001, Attention: Prospectus Department, or by email at ; Leerink Partners, 53 State Street, 40^th Floor, Boston, MA 02109, or by email at ; Evercore ISI, Attention: Equity Capital Markets, 55 East 52^nd Street, 35^th Floor, New York, NY 10055, by telephone at (888) 474-0200 or by email at ; Attention: Equity Capital Markets, 200 Vesey Street, 8^th Floor, New York, NY, 10281, or by telephone at (877) 822-4089 or by email at .

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

About Caribou Biosciences, Inc.

Caribou Biosciences is a clinical-stage CRISPR genome-editing biopharmaceutical company dedicated to developing transformative therapies for patients with devastating diseases. The company’s genome-editing platform, including its Cas12a chRDNA technology, enables superior precision to develop cell therapies that are armored to potentially improve antitumor activity. Caribou is advancing a pipeline of off-the-shelf cell therapies from its CAR-T and CAR-NK platforms as readily available treatments for patients with hematologic malignancies and solid tumors.

Forward-looking statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, without limitation, statements related to Caribou’s expectations with respect to the size, completion and timing of the closing of the offering. No assurance can be given that the offering discussed above will be completed on the terms or timing described in this release or at all. Management believes that these forward-looking statements are reasonable as and when made. However, such forward-looking statements are subject to risks and uncertainties, and actual results may differ materially from any future results expressed or implied by the forward-looking statements. Risks and uncertainties include, without limitation, changes in market conditions and the satisfaction of customary closing conditions, as well as other risk factors described from time to time in Caribou’s filings with the SEC, including its Annual Report on Form 10-K for the year ended December 31, 2022, and subsequent filings. In light of the significant uncertainties in these forward-looking statements, you should not rely upon forward-looking statements as predictions of future events. Except as required by law, Caribou undertakes no obligation to update publicly any forward-looking statements for any reason.

Caribou Biosciences, Inc. contacts:

Investors:

Amy Figueroa, CFA

Media:

Peggy Vorwald, PhD