IR RELEASE

Moscow, December 11, 2017

HMS Hydraulic Machines & Systems Group plc

(the “Company”, and together with its subsidiaries, the “HMS Group”)

Moscow, Russia

December 11, 2017

HMS Group signs EUR 15.6M contract

HMS Group announces that it has entered into agreement to deliver API 610 process pumps to a refinery owned by a major Russian oil & gas company. The total contract value is c. 15.6 million EUR.

The project is planned to be executed in 2018 - 1H 2019.

For more information, please, contact:

Inna Kelekhsaeva, Deputy Head of Capital markets

Phone: +7 (495) 730-6601 x 1318, Email: kelekhsaeva@hms.ru

Anna Obotnina, Head of Marketing communications

Phone: +7 (495) 730-6601 x (600)3304, Email: obotnina@hms.ru

About HMS Group

HMS Group is the leading pump and compressor manufacturer, as well as provider of flow control solutions and related services for the oil and gas, petrochemistry, nuclear and thermal power generation, water and wastewater sectors in Russia and the CIS headquartered in Moscow, Russia. HMS Group’s products are mission-critical elements of projects across a diverse range of industries. HMS has a listing on the London Stock Exchange in the form of global depositary receipts (LSE: HMSG).

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