Note 13 - Related Party Transactions

During the years ended September 30, 2017 and 2016, building lease payments of $1,040,000 and $1,000,000, respectively were paid to Charles River Realty, dba Bachrach, Inc., which is owned by Gerald Entine and family. Dr. Entine is a former director and employee of the Company, as well as a greater than 5% beneficial owner of the Company’s stock.

In October 2013, the Company’s subsidiary, Dynasil Biomedical, formed Xcede Technologies, Inc., a joint venture with Mayo Clinic, to spin out and separately fund the development of its tissue sealant technology. Xcede issued $5.1 million of convertible promissory notes in order to fund its operations, including $2.2 million to the Company, which were eliminated in the consolidated financial statements. Peter Sulick (Dynasil President, CEO and Director) and family members invested $1,065,000, Mr. Lawrence Fox (Dynasil Director) invested, $150,000, Dr. Zuckerman (Xcede CEO) and family invested $125,000, Dr. Hagan (Dynasil Director) invested $25,000, Kanai Shah (RMD President) invested $25,000 and Dr. Entine’s Family Trust invested $100,000 in Xcede and were issued convertible promissory notes in those original principal amounts. In November 2016, the Company converted these promissory notes into preferred stock.

As of September 30, 2017, Mr. Sulick and family own the equivalent of 12.0% of Xcede’s outstanding common stock, Mr. Fox owns the equivalent of 1.7% of Xcede’s outstanding common stock, Dr. Zuckerman and family own the equivalent of 1.4% of Xcede’s outstanding common stock, Dr. Hagan owns the equivalent of 0.3% of Xcede’s outstanding common stock, Dr. Shah owns the equivalent of 0.3% of Xcede’s outstanding common stock and Dr. Entine owns the equivalent of 1.2% of Xcede’s outstanding common stock.