Lock Up Agreement

Science Dynamics Inc.

Lock Up Agreement

The undersigned hereby agrees that for a period commencing on the date hereof and expiring twenty-four months from the date hereof, the undersigned will not, directly or indirectly, agree or offer to sell or grant an option for the sale of any shares of the Common Stock of Science Dynamics, Inc. (the “Company”) in the public market, provided, however, this restriction shall not apply to shares of the Company’s Common Stock issued pursuant to stock option or long-term incentive plans that are approved by the Company’s Compensation Committee provided t