Stabilisation Notice

**NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, DIRECTLY OR INDIRECTLY, IN OR INTO THE UNITED STATES, CANADA, AUSTRALIA OR JAPAN**

For immediate release

HMS Hydraulic Machines & Systems Group plc

End of stabilisation notice

Pursuant to Article 9(3) of Commission Regulation (EC) No. 2273/2003 implementing the Market Abuse Directive (2003/6/EC), and MAR 2.3.5 (3) of the Financial Services Authority Code of Market Conduct, J.P. Morgan Securities Ltd. (Greg Chamberlain; Telephone: +44 (0)207 588 2828) hereby gives notice that the Stabilisation Manager named below undertook stabilisation (within the meaning of the rules of the Financial Services Authority) in relation to the offer of the following securities, as set out below:

Issuer: HMS Hydraulic Machines & Systems Group plc

Securities: Global Depositary Receipts (each representing one ordinary share in HMS Hydraulic Machines & Systems Group plc)

Description of offer: Equity offering

Offer price: $8.25

Stabilisation Manager: J.P. Morgan Securities Ltd.

Stabilisation period: From 09 February 2011 to 09 March 2011

Stabilisation started: 09 February 2011

Stabilisation last occurred: 09 March 2011

For each of the dates during which stabilisation transactions were carried out, the price range was as follows:

This announcement is for information purposes only and does not constitute an invitation or offer to underwrite, subscribe for or otherwise acquire or dispose of any securities of the Company in any jurisdiction.

The information contained in this announcement is restricted and is not for release, publication or distribution in or into, the United States, Canada, Australia or Japan. This announcement does not contain or constitute an offer to sell or the solicitation of an offer to buy or subscribe for securities in the United States, Canada, Australia, Japan or in any other jurisdiction where such offer or solicitation is unlawful.

The offer and sale of the Ordinary Shares referred to herein have not been and will not be registered under the US Securities Act of 1933, as amended (the "Securities Act"), and may not be offered or sold within the United States absent registration under the Securities Act or an exemption from registration. There will be no public offer of the securities referred to herein in the United States.