Free Writing Prospectus

Filed pursuant to Rule 433

Registration Statement No. 333-215400

Dated April 16, 2018

Supplementing the

Preliminary Prospectus Supplements dated April 16, 2018

(To Prospectus dated April 16, 2018)



Clovis Oncology Announces Pricing of Public Offerings of Convertible Senior Notes and Common Stock

BOULDER, Colo., April 16, 2018 – Clovis Oncology, Inc. (NASDAQ:CLVS) announced today the upsizing and pricing of an underwritten public offering of $300 million aggregate principal amount of its 1.25% convertible senior notes due 2025 at a price to the public of 100% of the principal amount of the notes, before underwriting discounts and commissions. Clovis also granted to the underwriters a 30-day option to purchase up to an additional $45 million aggregate principal amount of the notes on the same terms and conditions. The notes will bear interest at a rate of 1.25% per annum, payable semi-annually on May 1 and November 1 of each year. The notes will mature on May 1, 2025 unless earlier converted, redeemed or repurchased. The holders of the notes may convert their notes at their option at any time prior to the close of business on the business day immediately preceding the maturity date at an initial conversion rate of 13.1278 shares of Clovis Oncology’s common stock per $1,000 principal amount of notes, which is equivalent to the initial conversion price of approximately $76.17 per share of common stock.

Clovis also announced today the pricing of 1,837,898 shares of its common stock in an underwritten public offering at a price to the public of $54.41 per share for gross proceeds of approximately $100 million, before underwriting discounts and commissions. Clovis also granted to the underwriters a 30-day option to purchase up to an additional 275,684 shares of its common stock on the same terms and conditions.

The offerings are expected to close on April 19, 2018, subject to customary closing conditions. The closing of each offering is not contingent on the closing of the other offering.

J. P. Morgan Securities LLC and BofA Merrill Lynch are acting as joint book-running managers for each of these offerings.

Clovis Oncology intends to use the combined net proceeds of the offerings for general corporate purposes, including sales and marketing expenses associated with Rubraca® (rucaparib) in the United States and, if approved by the European Commission, in Europe, funding of its development programs, general and administrative expenses, acquisition or licensing of additional product candidates or businesses and working capital.

The common stock and the convertible notes are being offered pursuant to an effective shelf registration statement that Clovis has filed with the Securities and Exchange Commission (“SEC”). Before you invest, you should read the prospectus in that registration statement and other documents Clovis has filed with the SEC for more complete information about Clovis and these offerings. Each offering is being made only by means of a prospectus supplement and the related prospectus relating to such offering. Copies of the applicable prospectus supplement and related prospectus relating to each offering may be obtained from J. P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 or by calling toll-free (866) 803-9204, or from BofA Merrill Lynch, NC1-004-03-43, 200 North College Street, 3rd floor, Charlotte NC 28255-0001, Attn: Prospectus Department, or by calling 1-800-294-1322 or by email to dg.prospectus_requests@baml.com. You may also obtain these documents free of charge when they are available by visiting EDGAR on the SEC’s website at www.sec.gov.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor will 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.

About Clovis Oncology

Clovis Oncology, Inc. is a biopharmaceutical company focused on acquiring, developing and commercializing innovative anti-cancer agents in the U.S., Europe and additional international markets. Clovis Oncology targets development programs at specific subsets of cancer populations, and simultaneously develops, with partners, diagnostic tools intended to direct a compound in development to the population that is most likely to benefit from its use. Clovis Oncology is headquartered in Boulder, Colorado and has additional offices in San Francisco, California and Cambridge, United Kingdom.

To the extent that statements contained in this press release are not descriptions of historical facts regarding Clovis Oncology, they 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. Such forward-looking statements involve substantial risks and uncertainties that could cause our actual results, performance or achievements to differ significantly from those expressed or implied by the forward-looking


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statements. Such risks and uncertainties include, among others, the conditions affecting the capital markets, general economic, industry, or political conditions, and the satisfaction of customary closing conditions related to the proposed public offerings. Clovis Oncology undertakes no obligation to update or revise any forward-looking statements. 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 the business of the company in general, see the prospectus supplement and related prospectus for these offerings as well as Clovis Oncology’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and its other reports filed with the Securities and Exchange Commission.


Anna Sussman    Breanna Burkart
303.625.5022    303.625.5023
asussman@clovisoncology.com    bburkart@clovisoncology.com

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