Press Release

Exelixis and Ipsen to Host Investor and Media Briefing to Discuss Data Presented at the ESMO 2016 Congress

October 3, 2016

-- Presentation to be webcast on www.exelixis.com --

SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Oct. 3, 2016-- Exelixis, Inc. (NASDAQ:EXEL) today announced that the company and its partner Ipsen will jointly host a live investor and media briefing at the European Society for Medical Oncology (ESMO) 2016 Congress. The event will be held on Monday, October 10, 2016, with the program beginning at 19:00 CEST (local Copenhagen time) / 1:00 p.m. EDT / 10:00 a.m. PDT following on-site registration starting at 18:30 CEST.

During the briefing, Exelixis and Ipsen management and invited guests will discuss and provide context for clinical data for cabozantinib presented at the ESMO 2016 Congress. Key topics will include CABOSUN, the randomized phase 2 trial of cabozantinib compared with sunitinib in patients with previously untreated advanced renal cell carcinoma, which will be the subject of a late-breaking oral presentation during ESMO’s Presidential Symposium 3 earlier in the day. Presenters will also review data from the ongoing phase 1b trial evaluating the combination of cabozantinib and nivolumab in patients with genitourinary tumors.

The briefing will also be webcast live and available via conference call starting at 19:00 CEST / 1:00 p.m. EDT / 10 a.m. PDT on Monday, October 10. To access the webcast link, log onto www.exelixis.com and proceed to the Event Calendar page under Investors & Media. Please connect to the company’s website at least 15 minutes prior to the webcast to ensure adequate time for any software download that may be required to listen to the event. To participate by phone, please dial 855-299-5224 (domestic) or 631-267-4890 (international/toll dial) and use passcode 234-026-024. Please see the Event Calendar page for details on replay options once available.

About Exelixis

Exelixis, Inc. (Nasdaq: EXEL) is a biopharmaceutical company committed to the discovery, development and commercialization of new medicines with the potential to improve care and outcomes for people with cancer. Since its founding in 1994, three medicines discovered at Exelixis have progressed through clinical development to receive regulatory approval. Currently, Exelixis is focused on advancing cabozantinib, an inhibitor of multiple tyrosine kinases including MET, AXL and VEGF receptors, which has shown clinical anti-tumor activity in more than 20 forms of cancer and is the subject of a broad clinical development program. Two separate formulations of cabozantinib have received regulatory approval to treat certain forms of kidney and thyroid cancer and are marketed for those purposes as CABOMETYX™ tablets (U.S. and EU) and COMETRIQ® capsules (U.S. and EU), respectively. Another Exelixis-discovered compound, COTELLIC® (cobimetinib), a selective inhibitor of MEK, has been approved in major territories including the United States and European Union, and is being evaluated for further potential indications by Roche and Genentech (a member of the Roche Group) under a collaboration with Exelixis. For more information on Exelixis, please visit www.exelixis.com or follow @ExelixisInc on Twitter.

Exelixis, the Exelixis logo, COMETRIQ and COTELLIC are registered U.S. trademarks, and CABOMETYX is a U.S. trademark.

Source: Exelixis, Inc.

Exelixis, Inc.
Susan Hubbard, 650-837-8194
Investor Relations and Public Affairs
shubbard@exelixis.com
or
For Exelixis, Inc.
Hal Mackins, 415-994-0040
hal@torchcomllc.com