Publication of Annual Report

22 December 2016

Pressure Technologies plc

("Pressure Technologies" or the "Group")

Publication of Annual Report

Pressure Technologies (AIM: PRES) has today published its Annual Report for the year ended 1 October 2016 and it is now available on the Group's website http://www.pressuretechnologies.com/investor-relations/company-reports-and-documents. It will be posted to shareholders who have elected to receive hard copies, in early January 2017.

For further information, please contact:

COMPANY DESCRIPTION

Company description - www.pressuretechnologies.com

With its head office in Sheffield, Pressure Technologies was founded on its leading market position as a designer and manufacturer of high-pressure systems serving the global energy, defence and industrial gases markets. Today it continues to serve those markets from a broader engineering base with specialist precision engineering businesses and has a worldwide presence in Alternative Energy as a global leader in biogas upgrading. On this foundation, the company is building a highly profitable group of companies through a combination of organic initiatives and acquisitions.

Pressure Technologies has four divisions, Precision Machined Components, Engineered Products, Cylinders and Alternative Energy, serving four markets: oil and gas, defence, industrial gases and alternative energy.

Precision Machined Components

· Al-Met, Mid Glamorgan, acquired in 2010 www.almet.co.uk

· Roota Engineering, Rotherham, acquired in March 2014 www.roota.co.uk

· Quadscot, Glasgow, acquired in October 2014 www.quadscot.co.uk

· Martract Limited, Barton-on-Humber, acquired in December 2016 www.martract.co.uk

Engineered Products

· Hydratron, Manchester, acquired in 2010 www.hydratron.com

Cylinders

· Chesterfield Special Cylinders, Sheffield, IPO cornerstone in 2007 www.chesterfieldcylinders.com

· Kelley GTM Manufacturing, Amarillo, USA - 40% stake acquired by the Group in December 2013 www.kelleygtm.com

Alternative Energy

· Chesterfield BioGas, Sheffield, founded in 2008. Renamed Greenlane Biogas UK on 5 June 2015

· Greenlane, Vancouver, Canada and Auckland, New Zealand, acquired in October 2014 www.greenlanebiogas.com