Holding(s) in Company

Plant Impact plc

("Plant Impact" or the "Company")

Notice of Interest

Plant Impact announces that it has received notice that City Natural Resources High Yield Trust plc has acquired 3,571,428 ordinary shares in the Company on 13 December 2012, and accordingly City Natural Resources High Yield Trust plc is directly interested in a total of 3,571,248 ordinary shares representing 6% of the total issued share capital of the Company and 6% of the total voting rights of the Company.

The Company also announces that Fitel Nominees Limited, through its UK Growth EIS Fund, also acquired 3,571,428 ordinary shares in the Company on 13 December 2012, and accordingly Fitel Nominees Limited is indirectly interested in, and its UK Growth EIS Fund is directly interested in, a total of 3,571,248 ordinary shares representing 6% of the total issued share capital of the Company and 6% of the total voting rights of the Company.

John Brubaker, Plant Impact CEO, commented "We are pleased to announce the interest of these new institutional shareholders, who - along with other current and new institutional backers - have participated in the £1.255 million placing announced earlier this month. I and the Board are deeply committed to managing our business in a way which increases shareholder value, and we are confident that our existing investors will recognise this via their commitment to our ongoing Open Offer."

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Plant Impact develops and markets crop yield enhancement products. Plant Impact products improve crop yields and quality by reducing plant stresses associated with excessive temperature, salinity, drought and UV light. The Company sells its products directly and through licensing agreements with international agrochemical companies. The Directors believe that Plant Impact is differentiated from its competitors by its offer of safe and effective products in this new sector which provide compelling returns to growers.

For further information please visit www.plantimpact.com