Director/PDMR Shareholding

28 May 2013

Mycelx Technologies Corporation

("Mycelx" or the "Company" (AIM: MYX)

Dealing by Director

The Company announces that on 24 May 2013, Haluk Alper, a Director of the Company, exercised options over 108,678 common shares of US$0.025 each ("Common Shares") under the Company's Omnibus Performance Incentive Plan 2011 at a price of US$3.44 per Common Share.

The Company further announces that it was notified by Mr Alper on 24 May 2013 that, on that day, he sold 108,678 Common Shares at a price of 530p per Common Share. Following this transaction, he continues to be interested in 1,240,769 Common Shares representing 9.43 per cent of the present issued capital of the Company and in 54,339 options over the Company's Common Shares.

Total Voting Rights

Following the issue of 108,678 new Common Shares referred to above, the total number of voting rights in the Company's Common Shares is 13,161,638 which may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Mycelx under the Financial Conduct Authority's Disclosure and Transparency Rules. The Company does not hold any Common Shares in treasury.

Enquiries

MyCelx Technologies Corporation +1 888 306 6843

Connie Mixon - CEO

Mark Clark - CFO

Numis Securities Limited +44 207 260 1000

Corporate Finance/Nominated Adviser

Stuart Skinner

Jamie Loughborough

Corporate Broking

James Black

Ben Stoop