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Gilead Sciences Announces Expiration of Hart-Scott-Rodino Waiting Period for Immunomedics Tender Offer

GILD | October 14, 2020

CA-GILEAD-SCIENCES,-INC.

Gilead Sciences, Inc. (Nasdaq: GILD) today announced that the required waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR Act) with respect to Gilead’s cash tender offer for Immunomedics, Inc. expired at 11:59 p.m. on October 13, 2020.

On September 25, 2020, Gilead and Immunomedics filed the Premerger Notification and Report Forms required under the HSR Act with the Federal Trade Commission and the Antitrust Division of the U.S. Department of Justice.

The expiration of the HSR waiting period satisfies one of the conditions to consummate the tender offer. Other conditions remain to be satisfied, including, among others, a minimum tender of shares of common stock of Immunomedics representing a majority of the total number of outstanding shares of common stock of Immunomedics. Unless the tender offer is extended, the offer and withdrawal rights will expire at one minute after 11:59 p.m., Eastern Time, on October 22, 2020.

About Gilead Sciences

Gilead Sciences, Inc. is a research-based biopharmaceutical company that discovers, develops and commercializes innovative medicines in areas of unmet medical need. The company strives to transform and simplify care for people with life-threatening illnesses around the world. Gilead has operations in more than 35 countries worldwide, with headquarters in Foster City, California. For more information on Gilead Sciences, please visit the company’s website at www.gilead.com .

Forward-Looking Statements

This communication contains forward-looking statements related to Gilead, Immunomedics and the acquisition of Immunomedics by Gilead that are subject to risks, uncertainties and other factors. All statements other than statements of historical fact are statements that could be deemed forward-looking statements, including all statements regarding: the intent, belief or current expectation of the companies’ and members of their senior management team. Forward-looking statements include, without limitation, statements regarding the business combination and related matters, prospective performance and opportunities, post-closing operations and the outlook for the companies’ businesses, including, without limitation, the ability of Gilead to advance Immunomedics’ product pipeline, including Trodelvy; expectations for achieving full FDA approval based on Immunomedics’ confirmatory data for Trodelvy and Immunomedics’ development of Trodelvy for additional indications; clinical trials (including the anticipated timing of clinical data, the funding therefor, anticipated patient enrollment, trial outcomes, timing or associated costs); the possibility of unfavorable results from clinical trials; regulatory applications and related timelines, including the filing and approval timelines for Biologics License Applications and supplements; filings and approvals relating to the transaction; the expected timing of the completion of the transaction; the ability to complete the transaction considering the various closing conditions; difficulties or unanticipated expenses in connection with integrating the companies; and any assumptions underlying any of the foregoing. Investors are cautioned that any such forward-looking statements are not guarantees of future performance and involve risks and uncertainties and are cautioned not to place undue reliance on these forward-looking statements. Actual results may differ materially from those currently anticipated due to a number of risks and uncertainties. Risks and uncertainties that could cause the actual results to differ from expectations contemplated by forward-looking statements include: uncertainties as to the timing of the tender offer and merger; uncertainties as to how many of Immunomedics’ stockholders will tender their stock in the offer; the possibility that competing offers will be made; the possibility that various closing conditions for the transaction may not be satisfied or waived, including that a governmental entity may prohibit, delay or refuse to grant approval for the consummation of the transaction; the effects of the transaction on relationships with employees, other business partners or governmental entities; the difficulty of predicting the timing or outcome of FDA approvals or actions, if any; Immunomedics’ ability to meet post-approval compliance obligations (on topics including but not limited to product quality, product distribution and supply chain requirements, and promotional and marketing compliance); imposition of significant post-approval regulatory requirements on Immunomedics’ products, including a requirement for a post-approval confirmatory clinical study, or failure to maintain (if received) or obtain full regulatory approval for Immunomedics’ products due to a failure to satisfy post-approval regulatory requirements, such as the submission of sufficient data from a confirmatory clinical study; the impact of competitive products and pricing; other business effects, including the effects of industry, economic or political conditions outside of the companies’ control; transaction costs; actual or contingent liabilities; adverse impacts on business, operating results or financial condition in the future due to pandemics, epidemics or outbreaks, such as COVID-19; and other risks and uncertainties detailed from time to time in the companies’ periodic reports filed with the U.S. Securities and Exchange Commission (the “SEC”), including current reports on Form 8-K, quarterly reports on Form 10-Q and annual reports on Form 10-K, as well as the Schedule 14D-9 filed on September 24, 2020 by Immunomedics and the Schedule TO and related tender offer documents filed on September 24, 2020 by Gilead and Maui Merger Sub, Inc. (“Purchaser”), a wholly owned subsidiary of Gilead. All forward-looking statements are based on information currently available to Gilead and Immunomedics, and Gilead and Immunomedics assume no obligation and disclaim any intent to update any such forward-looking statements.

Additional Information and Where to Find It

This communication is for informational purposes only and is neither an offer to purchase nor a solicitation of an offer to sell shares of Immunomedics. Gilead and Purchaser have filed a Tender Offer Statement on Schedule TO with the SEC containing an offer to purchase all of the outstanding shares of common stock of Immunomedics for $88.00 per share, and Immunomedics has filed a Solicitation/Recommendation Statement on Schedule 14D-9 with the SEC with respect to the tender offer. The tender offer is being made solely by means of the Offer to Purchase, and the exhibits filed with respect thereto (including the Letter of Transmittal), which contain the full terms and conditions of the tender offer. IMMUNOMEDICS’ STOCKHOLDERS AND OTHER INVESTORS ARE URGED TO READ THE TENDER OFFER MATERIALS (INCLUDING THE OFFER TO PURCHASE, THE RELATED LETTER OF TRANSMITTAL AND CERTAIN OTHER TENDER OFFER DOCUMENTS) AND THE SOLICITATION/RECOMMENDATION STATEMENT BECAUSE THEY CONTAIN IMPORTANT INFORMATION WHICH SHOULD BE READ CAREFULLY BEFORE ANY DECISION IS MADE WITH RESPECT TO THE TENDER OFFER. The Offer to Purchase, the related Letter of Transmittal and certain other tender offer documents, as well as the Solicitation/Recommendation Statement, have been sent to all stockholders of Immunomedics at no expense to them. The Tender Offer Statement and the Solicitation/Recommendation Statement are available for free at the SEC’s web site at www.sec.gov . Additional copies may be obtained for free by contacting Gilead or Immunomedics. Free copies of these materials and certain other offering documents are available for request by mail to Gilead Sciences, Inc., 333 Lakeside Drive, Foster City, CA 94404, attention: Investor Relations, by phone at 1-800-GILEAD-5 or 1-650-574-3000, or by directing requests for such materials to the information agent for the offer, Innisfree M&A Incorporated, 501 Madison Avenue, 20 th Floor, New York, New York 10022. Stockholders may call toll free: (888) 750-5834; Banks and Brokers may call collect: (212) 750-5833. Copies of the documents filed with the SEC by Immunomedics are available free of charge under the “Investors” section of Immunomedics’ internet website at Immunomedics.com.

In addition to the Offer to Purchase, the related Letter of Transmittal and certain other tender offer documents, as well as the Solicitation/Recommendation Statement, Gilead and Immunomedics file annual, quarterly and current reports, proxy statements and other information with the SEC. Gilead’s and Immunomedics’ filings with the SEC are also available for free to the public from commercial document-retrieval services and at the website maintained by the SEC at www.sec.gov .

For more information on Gilead Sciences, please visit the company’s website at www.gilead.com , follow Gilead on Twitter (@GileadSciences) or call Gilead Public Affairs at 1-800-GILEAD-5 or 1-650-574-3000.