On January 28, 2016, Jay T. Flatley, Chief Executive Officer of Illumina Inc., was elected Chairman of the Board of Directors following the resignation of William H. Rastetter, Ph.D. The Board intends to appoint a lead independent director. Dr. Rastetter stepped off the Board after 17 years of service as a Board member and 11 years as Chairman, in compliance with Illumina governance practices, in order to invest in and serve as an Illumina representative on the board of directors of GRAIL Inc.