Sandisk 8-K Departure of Directors or Certain Officers

Exhibit 99.1

August 20, 2014

Judy Bruner, Executive Vice President, Administration and Chief Financial Officer

SanDisk Corporation

951 SanDisk Drive

Milpitas, CA 95035

Dear Judy:

I write this letter to notify you of my resignation as Chief Legal Officer, Senior Vice President Technology Licensing and Corporate Secretary of SanDisk, effective September 5, 2014.  

While I am leaving to pursue another opportunity, I have nothing but affection for this incredible company and its employees and will be expecting to hear great things about SanDisk over the years ahead.  

Wishing you all the best -

/s/ Eric S. Whitaker