Notice of Results and Analyst Briefing

Notice of Results and Analyst Briefing

Pressure Technologies plc will announce its preliminary results for the year ended Saturday, 2 October 2010 on Tuesday, 7 December 2010. An analyst briefing will be held on that date at 9 am prompt at:

Fairfax IS PLC46 Berkeley SquareMayfairLondon

W1J 5AT

Analysts interested in attending the briefing should contact Sally Annakin at Rawlings Financial PR Limited by e-mail: [email protected] or tel: 01653 618016.

For further information, please contact:

Company description:

Pressure Technologies is the holding company for Chesterfield Special Cylinders Limited ("CSC"). CSC designs, manufactures and offers retesting and refurbishment services for a range of speciality high pressure, seamless steel gas cylinders for global energy and defencemarkets. The business has been conducted under the "Chesterfield" brand which is a long established name in the cylinders and specialised pressure vessel market.

Chesterfield BioGas, an operating division of Pressure Technologies, formed in November 2008 following the signing of a co-operation agreement with Greenlane® Biogas Limited, the world leader in biogas upgrading from raw biogas to vehicle quality fuel, gives Pressure Technologies exclusive rights to market Greenlane® equipment in the UK and Eire. Chesterfield BioGas will provide turnkey solutions for the cleaning, storage and dispensing of biomethane, produced from waste water treatment and anaerobic digestion of organic waste.

Al-Met is a niche manufacturer of specialised, precision engineered valve wear parts used in the oil and gas industries, which was acquired by Pressure Technologies in February 2010. Itsproducts are used in high-pressure choke and flow control valves, designed to regulate flow volumes in extremely demanding applications in the subsea and surface oil and gas industries. The business, which was established in 1985, has developed a leading edge capability in precision machining carbides, high grade stainless steels and superalloys.

The Hydratron group of companies ("Hydratron"), acquired on 15 October 2010, designs, manufactures and sells a range of air operated high pressure hydraulic pumps, gas boosters, power packs, hydraulic control panels and test rigs. Hydratron has sales and manufacturing companies in Altrincham, UK, and Houston, USA and a spread of third party distributors in key locations around the world. Formed in 1981, Hydratron has since established itself as a leading supplier of quality high pressure equipment to the oil and gas industries. The full range of Hydratron products may be viewed at www.hydratron.co.uk.