CTI BioPharma Prices Underwritten Public Offering of $45 Million of Convertible Preferred Stock

SEATTLE, June 6, 2017 /PRNewswire/ -- CTI BioPharma Corp. ("CTI") (NASDAQ and MTA: CTIC) today announced the pricing of an underwritten public offering of 22,500 shares of its Series N-3 Preferred Stock, offered at a price to the public of $2,000 per share of Series N-3 Preferred Stock (the "Offering"). Each share of Series N-3 Preferred Stock is convertible at the option of the holder, at any time subject to certain limitations, into shares of our common stock at a conversion price of $3.00  per share of common stock, for a total of approximately 15.0 million shares of common stock.

The gross proceeds to CTI from this Offering are expected to be $45 million, before deducting  underwriting discounts and commissions and other estimated offering expenses payable by CTI.  CTI plans to use the net proceeds from this Offering to conduct the PAC203 clinical trial, submit a new Marketing Authorization Application for pacritinib to the European Medicines Agency, conduct additional research concerning the possible application of pacritinib in indications outside of myelofibrosis, and complete the PIX306 clinical trial, as well as for general corporate purposes, which may include funding research and development, conducting preclinical and clinical trials, acquiring or in-licensing potential new pipeline candidates, preparing and filing possible new drug applications and general working capital. The Offering is expected to close on or about June 9, 2017, subject to customary closing conditions.

Jefferies LLC  is acting as sole book-running manager for the Offering. BTIG, LLC is acting as lead manager for the Offering.

The securities described above are being offered by CTI pursuant to a shelf registration statement  previously filed with the U.S. Securities and Exchange Commission (the "SEC"), which the SEC declared effective on December 8, 2014. The final prospectus supplement related to the Offering will be filed with the SEC and will be available on the SEC's website located at http://www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus relating to the Offering, when available, may be obtained from Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 2nd floor, New York, NY 10022 or by telephone at 877-821-7388 or by email at Prospectus_Department@Jefferies.com.

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 sale of these securities in any state or other 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 other jurisdiction. The shares of Series N-3 Preferred Stock (and the shares of common stock into which each share of Series N-3 Preferred Stock will be convertible) will not be offered, sold or distributed, directly or indirectly, in Italy in an offer to the public of financial products under the meaning of Article 1, paragraph 1, letter t) of Legislative Decree No. 58 of February 24, 1998, as amended (the "Financial Services Act"), unless an express exemption from compliance with the restrictions on offers to the public, including, without limitation, as provided under Article 100 of the Financial Services Act and Article 34-ter of CONSOB Regulation No. 11971 of May 14, 1999, as amended, applies.

About CTI BioPharma Corp.

CTI BioPharma Corp. is a biopharmaceutical company focused on the acquisition, development and commercialization of novel targeted therapies covering a spectrum of blood-related cancers that offer a unique benefit to patients and healthcare providers. CTI BioPharma has a late-stage development pipeline, including pacritinib for the treatment of patients with myelofibrosis. CTI BioPharma is headquartered in Seattle, Washington.

Forward-Looking Statements

This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements are subject to a number of risks and uncertainties, the outcome of which could materially and/or adversely affect actual future results and the trading price of CTI's securities. Such statements include, but are not limited to, statements regarding CTI's expectations with respect to the completion and timing of its proposed Offering and use of the net proceeds from the Offering. The statements are based on assumptions about many important factors and information currently available to us to the extent we have thus far had an opportunity to fully and carefully evaluate such information in light of all surrounding facts, circumstances, recommendations and analyses. Risks that contribute to the uncertain nature of the forward-looking statements include, among others, risks associated with market conditions and the satisfaction of customary closing conditions related to the proposed Offering, the biopharmaceutical industry in general and with CTI and its product and product candidate portfolio in particular including, among others, risks associated with the following: that CTI cannot predict or guarantee the outcome of preclinical and clinical studies, the potential failure of pacritinib to prove safe and effective as determined by the FDA and/or the European Medicines Agency, changes to study protocol or design or sample size to address any patient safety, efficacy or other issues raised by the FDA or otherwise, that clinical trial results observed to date may differ from future results or that different conclusions or considerations may qualify such results once existing data has been more fully evaluated, that CTI may not obtain favorable determinations by other regulatory, patent and administrative governmental authorities, that CTI  may experience delays in the commencement of preclinical and clinical studies, that the costs of developing  pacritinib and CTI's other product candidates may rise, other risks, including, without limitation, competitive factors, technological developments, that CTI may not be able to sustain its current cost controls or further reduce its operating expenses, that CTI may not achieve previously announced goals, contractual milestones and objectives as or when projected, that CTI's average net operating burn rate may increase, that CTI will continue to need to raise capital to fund its operating expenses, but may not be able to raise sufficient amounts to fund its continued operation as well as other risks listed or described from time to time in CTI 's most recent filings with the SEC on Forms 10-K, 10-Q and 8-K. Except as required by law, CTI does not intend to update any of the statements in this press release upon further developments.

Contact:
Ed Bell
+1 206-272-4345
ebell@ctibiopharma.com

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SOURCE CTI BioPharma Corp.