Exhibit 99.6
www.deltadentalmi.com
March 25, 2014
Interleukin Genetics, Inc.
135 Beaver Street
Waltham, MA 02452
To the Chairman of the Board of Directors:
Effective as of the date hereof, I hereby resign my position as a member of the Board of Directors of lnterleukin Genetics, Inc., and as a member of all committees of such Board of Directors on which I serve.
| Sincerely, |
/s/ Goran Jurkovic |
| Goran Jurkovic |
DELTA DENTAL OF MICHIGAN P.O. Box 30416 Lansing, Ml 48909-7916 | Telephone: (517) 349-6000 Fax: (517) 347-5237 |
