EX-10.4
from 10-Q
2 pages
October 28, 2014 Relypsa, Inc. 5301 Patrick Henry Drive Santa Clara, Ca 95054 Dear Sir or Madam: Sincerely, /S/ Stuart L. Watt Stuart L. Watt Vp, Law and Intellectual Property Officer Acknowledged and Agreed: Relypsa, Inc. By: /S/ Ronald Krasnow Name: Ronald Krasnow Title: Svp, General Counsel Contract Number: 2007511785-001-011
12/34/56