11.05.2011

Annual information update

Moscow, Russia – May 11, 2011 – HMS Group (LSE: HMSG), the leading pump manufacturer and provider of flow control solutions and related services in Russia and the CIS, today announces in accordance with Prospectus Rule 5.2, the Company sets out below a summary of the information which has been published or made available to the public over the previous 12 months in compliance with European Community and national laws and rules dealing with the regulation of securities, issuers of securities and securities markets.

This Annual Information Update is required by, and is being made pursuant to, Article 10 of the European Prospectus Directive as implemented in the United Kingdom and not for any other purpose and neither the Company, nor any other person, takes any responsibility for, or makes any representation, express or implied, as to the accuracy or completeness of, the information which it contains. This information is not necessarily up to date as at the date of this Annual Information Update and the Company does not undertake any obligation to update any such information in the future. Furthermore, such information may have been prepared in accordance with the laws or regulations of a particular jurisdiction and may not comply with or meet the relevant standards of disclosure in any other jurisdiction. This Annual Information Update does not constitute an offer of any securities addressed to any person and should not be relied on by any person.

The Company has submitted the following UK regulatory announcements via a Regulatory Information Service (RIS) for the previous 12 months. Full details of these announcements can be found at http://www.londonstockexchange.com/exchange/prices-and-news/news/market-news/market-news-home.html.

Announcements made via RIS also available in the Investor Relations section of the Company’s website http://grouphms.com on or around the dates indicated.

Date of publication

Topic of the announcement

09.02.2011

STABILISATION NOTICE

09.02.2011

PUBLICATION OF PROSPECTUS

14.02.2011

ADMISSION TO TRADING

10.03.2011

STABILISATION NOTICE

11.03.2011

HMS GROUP ANNOUNCES EXPIRY OF OVER-ALLOTMENT OPTION EXERCISE PERIOD

16.03.2011

HMS GROUP ANNOUNCES REPAYMENT OF RUR 3.3 BILLION OF INDEBTEDNESS

21.03.2011

DIRECTOR/PDMR SHAREHOLDING

22.03.2011

DIRECTOR/PDMR SHAREHOLDING

14.04.2011

CONFERENCE CALL TO DISCUSS FULL YEAR 2010 IFRS FINANCIAL RESULTS

27.04.2011

FINAL RESULTS

28.04.2011

ANNUAL FINANCIAL REPORT

06.05.2011

HMS GROUP DECREASES INTEREST RATES ON LOANS

The following documents have been filed by the Company with the Financial Services Authority (FSA) during the previous 12 months to National Storage Mechanism (NSM). The copy of the document submitted can be viewed online at: www.hemscott..com/nsm.do

Date of filing

Document

28.04.2011

2010 ANNUAL REPORT OF HMS HYDRAULIC MACHINES AND SYSTEMS GROUP PLC (PREPARED IN ACCORDANCE WITH THE DISCLOSURE REQUIREMENTS OF FSA) APPROVED BY THE BOARD OF DIRECTORS


For further information, please visit www.grouphms.com or contact:

Alexander Rybin

Head of Capital Markets and IR

Tel: +7 (495) 730-66-12

ir@hms.ru

Nozima Karimova

Head of Press Service

Tel: +7 (495) 730-66-01

karimova@hms.ru


The HMS Group is the leading pump manufacturer and provider of flow control solutions and related services to the oil and gas, nuclear and thermal power generation and water utilities sectors in Russia and the CIS. The HMS Group’s products are mission-critical elements of projects across a diverse range of industries. It has participated in a number of large-scale infrastructure projects in Russia, including providing pumps and modular equipment to the Vankor oil field and pumping stations on recent trunk pipelines projects linking Russia’s core oil producing areas to export ports on the Pacific Ocean and Baltic Sea. The Group reported revenues of RUB 23.1 billion, adjusted EBITDA of RUB 3.5 billion and profit for the year of RUB 1.6 billion for the full year of 2010. The HMS Group’s global depositary receipts (“GDRs”) are listed under the symbol “HMSG” on the London Stock Exchange.

The forward-looking statements contained herein are based upon various assumptions, many of which are based, in turn, upon further assumptions, which may include without limitation, the HMS Group’s examination of historical operating trends, data contained in the HMS Group’s records and other data available from third parties. By their very nature, forward-looking statements involve inherent risks and uncertainties, both general and specific, and risks exist that the predictions, forecasts, projections and other forward-looking statements will not be achieved. Given these risks and uncertainties, you are cautioned not to place undue reliance on such forward-looking statements. The HMS Group does not intend to provide any representation or warranty and does not assume any obligation to update any forward-looking statement contained herein.