Mr. Christopher Hopton reports

SIRONA BIOCHEM ANNOUNCES RESIGNATION OF BOARD DIRECTOR

Michael Rogers has resigned from the board of directors of Sirona Biochem Corp. He has served on the board since December, 2010.

Dr. Howard Verrico, chairman and chief executive officer, commented as follows: "We'd like to thank Mike for his contribution to the company. Mike's experience within the financial sector proved a valuable asset to Sirona. He has been a consistently supportive business adviser to the board and management, helping to lay strategic groundwork for the company. We wish him well in his future endeavours."

We seek Safe Harbor.