Exhibit 10.7 [LETTERHEAD OF RICHARD CASSIM & ASSOCIATES] Date: 24 December 2010 Our Ref: R Cassim Your Ref: Dr Lisa Ramakrishnan Dear Sir, ISSUE OF SHARES: MOXISIGN (PTY) LIMITED We confirm that in that in terms of the memorandum of understanding dated the 7 July 2010, you may now advise your auditors to proceed to issue 49% (forty nine percent) of the authorized and issued shares in Moxisign (PTY) Ltd ("Moxisign") to Hestifor (Pty) limited ("Hestifor"). I hereby confirm I am the attorney of record and agent for service for Hestifor, the now confirmed BEE shareholder of Moxisign. Once issued, would you kindly have the Hestifor share certificate confirming the 49% shareholding in Moxisign shares sent to my office. Should you have any queries, please do not hesitate contacting the writer. Yours truly, Richard Cassim & Associates /s/ R Cassim - -------------------------- Per: R Cassim