OREANDA-NEWS. On 16 June 2009 JSC SITRONICS (SITRONICS or the “Group”) (LSE: SITR), a leading provider of telecommunications, information technology and microelectronic solutions in Russia and the CIS, with a growing presence in other EEMEA emerging markets, announced that it has submited its Annual Information Update, which refers to information that has been published or made available to the public over the twelve months ended May 14, 2009.

Certain information referenced below may be out of date.

1. Announcements are available in the Investor Relations section and the News section of SITRONICS’ website at www.sitronics.com

14.05.2008 - English - "Kvazar-Micro" has completed the project of modernization of contact-center of Network of travel agencies "êóäà.ru"

14.05.2008 - Russian - SITRONICS announced that its full audited financial results are available on the Company’s website

21.05.2008 -English - SITRONICS sets AGM Agenda

29.05.2008 - English - Director General of JSC "NIIME i Micron" Gennady Krasnikov was elected as active member of the Russian Academy of Sciences

03.06.2009 -English - New INTRACOM TELECOM’s implementation in Europe and CIS

07.06.2008 -English - "Kvazar-Micro" has become the laureate of World Salon “Integrated security system 2008” (ISSE-2008)

10.06.2008 -English - Unaudited Financial Results for the first quarter, ended March 31, 2008

11.06.2008 - English - The company INTRAÑOM TELECOM enters the Indian market

17.06.2008 - English - "Micron" has received ecological certificate ISO 14001:2004

18.06.2008 - English - JSC SITRONICS has updated its visual style

18.06.2008 - English - SITRONICS Information Technologies – the new name of "Kvazar-Micro"

23.06.2008 - Russian - The company GENESYS named INTRACOM TELECOM the best partner 2007 in EEMEA

26.06.2008 -English - AGM

30.06.2008 - English - SITRONICS Board of directors elects new management Board

01.07.2008 - English - SITRONICS appoints Marina Zabolotneva as CFO

01.07.2008 - English - SITRONICS Information Technologies received the status of Certified Partner of Axios Systems

02.07.2008 - English - INTRACOM TELECOM Signs a ? 150 million Bond Loan Agreement

08.07.2008 - English - Gennady Krasnikov has presented a report în nanoelectronics on the III Nobel laureates meeting in Saint Petersburg

11.07.2008 - English - The company "Kvazar-Micro" has received the top partner status Sun Microsystems – SPA sale Executive

11.07.2008 - English - JSC SITRONICS has negotiated agreements in the Republic of Tatarstan on cooperation in the field of information processing technologies, telecommunications and microelectronics

16.07.2008 - English - SITRONICS Information Technologies has completed the implementation of Oracle E-Business Suite in “KOMSTAR - UTS”

28.07.2008 - English - SITRONICS Information Technologies will build a network of mobile WiMAX for “KOMSTAR - UTS”

29.07.2008 - English - SITRONICS Information Technologies has completed the project on organization of communications infrastructure for the company "Emerson"

31.07.2008 - English - SITRONICS Telecom Solutions has developed a new product of the family TENNET - IP Multimedia Subsystem

04.08.2008 - English - SITRONICS Telecom Solutions and “ Smart Technologies Group” will implement the system of centralized public transport control in Nizhnevartovsk

05.08.2008 - English - SITRONICS Information Technologies has become a status of official reseller of the company Exanet

08.08.2008 - English - SITRONICS to support a future Olympic sport

25.08.2008 - English - MTS and SITRONICS implement a project on on-line monitoring of automotive transport for Moscow underground railway

29.08.2008 - English - SITRONICS Information Technologies has concluded the reseller agreement with the corporation Firetide

02.09.2008 - English - SITRONICS Smart Technologies has received the certification Visa International and MasterCard International

05.09.2008 - English - SITRONICS creates the first private-state Research and Development Establishment

09.09.2009 - English - JSC SITRONICS announces unaudited financial results for the second quarter and first six months 2008

10.09.2009 - English - SITRONICS establishes joint venture with ZTE corporation

11.09.2008 - English - SITRONICS has made a donation of mobile computer classroom to the schools of South Ossetia

16.09.2008 - English - SITRONICS Information Technologies has developed a Line of DATERIUM Mobile Data Centers

18.09.2008 - English - INTRACOM TELECOM signed a ?122.5 mln contract with the Ministry of Education of Romania

23.09.2008 – English - SITRONICS took part in the VII International Investment Forum in Sochi

25.09.2008 – English - SITRONICS deployed a radio network for Shyam Telelink in Rajasthan in three months

02.10.2008 - English - SITRONICS Research Institute to support the Conference of the young scientists of Russia

08.10.2008 - English - Oksana Kovalevskaya appointed Vice-President of JSC SITRONICS, Strategy

09.10.2008 - English - SITRONICS BOD announces its decisions

10.10.2008 - English - SITRONICS to take part in Science Festival

14.10.2008 - Russian - Gennady Krasnikov took part in Council of Chairman of State Duma of Russian Federation

17.10.2008 - English - JSC SITRONICS recognized the largest Russian hi-tech company by level of capitalization

22.10.2008 - English - SITRONICS to take part in InfoCom-2008

24.10.2008 - English - SITRONICS to launch sales of MDPC Daterium ™

28.10.2008 - English - SITRONICS to develop cooperation with Chinese CMC

29.10.2008 - English - SITRONICS Information Technologies completed a project on updating the communications infrastructure for MONT

04.11.2008 - English - SITRONICS Information Technologies (Kvazar-Mikro Company) to launch system for compiling consolidated statements in System Capital Management

12.11.2008 - English - JSC SITRONICS included in Top 25 of the largest Russian transnational companies

13-14.11.2008 - Russian - Nice, France, XXII Russia - EU Summit

14.11.2008 - Russian - JSC SITRONICS took part in XXII Russia - EU Sammit

14.11.2008 - Russian - Kvazar-Mikro, KOMSTAR – UTS and AMT-group have completed the development of multiservice Network in Ukraine

14.11.2008 - Russian - IT Exhibition – Forum GSM>3G AfricaCom

17.11.2008 - English - President of JSC SITRONICS Sergey Aslanian to present a paper at the 10th IBM business forum "Enterprise of the future"

17.11.2008 - English - President of JSC SITRONICS Sergey Aslanian presented a paper at Russia-EU Summit

21.11.2008 - Russian - SITRONICS Information Technologies signed a contract for sublicensing with company Perimetrix

24.11.2008 - English - The company SITRONICS Information Technologies received the highest partner status of Hewlett-Packard - GOLD Preferred Partner 2009

26.11.2008 - English - "SITRONICS" introduces IPTV solution in Canada

28.11.2008 - English - The Council for innovation in the State Duma of Russia held a meeting at Micron

01.12.2008 - English - SITRONICS signs a USD  230 million credit facility agreement with VNESHECONOMBANK

04.12.2008 - Russian - SITRONICS is included in Deloitte Technology Fast 500 rating

05.12.2008 - English - SITRONICS took part in the International Forum on Nanotechnologies

09.12.2008 - English - SITRONICS ANNOUNCES UNAUDITED FINANCIAL RESULTS FOR THE THIRD QUARTER AND FIRST NINE MONTHS OF 2008

10.12.2008 - English - "SITRONICS Information technologies" will construct data-processing centres for MTS in macro-regions

15.12.2008 - English - SITRONICS Information Technologies was awarded with Certification trademark “Children Get Best”

15.12.2008 - English - SITRONICS signed a USD  24 mln contract with K-Telecom

22.12.2008 - English - The President of JSC SITRONICS Sergey Aslanian has met with the Prime Minister of Armenia Tigran Sarkisyan

23.12.2008 - English - SITRONICS BOARD SETS DATE OF EGM

23.12.2008 - Russian - Gennady Krasnikov has been awarded "Order of Merit for the Motherland"

26.12.2008 - English - JSC SITRONICS has entered the list of backbone enterprises of Russia

30.12.2008 - Russian -Gennady Krasnikov will represent the interests of microelectronics at the meeting of leading scientist's and developers council under the Government of the Russian Federation

13.01.2009 - English - INTRACOM TELECOM delivered a ? 2.5 million project to Polkomtel

02.02.2009 - RussianSITRONICS, MTS-Ukraine and Alcatel-Lucent provide Internet access 100 subcribers in Ukraine

05.02.2009 - English - SITRONICS Information Technologies improves "Portal of MTS dealers"

11.02.2009 - English - Gennady Krasnikov took part in the first meeting of the Board of General and Chief Designers

11.02.2009 - English - Micron’s confirmed conformance to ISO 9001:2000 standard

16.02.2009 - Russian - JSC SITRONICS took part in 3GSM Mobile World Congress

16.02.2009 - English - Mikhail Minkovsky has given the interview on the theme Mobile Datacenter "Daterium" to publishing house "Otkritie Sistemy".

17.02.2009 - English - SITRONICS supplies convergent services platform to MTS Uzbekistan

02.03.2009 - English - SITRONICS Information Technologies completed modernization project of IT-infrastructure in MARINE TRANSPORT BANK

03.03.2009 - Russian - EastWind has supported X championship for sport programming of Ural University

10.03.2009 - English - "SITRONICS IT" confirmed status of APC Certified Gold Reliability Provider

10.03.2009 -English - Conklin-Intracom Announces Cisco Systems Integrator Reseller Agreement

19.03.2009 - English - SITRONICS IT completed the information infrastructure project for the State Statistics Committee of Ukraine

20.03.2009 - Russian - JSC SITRONICS has repaid loan of Dresdner Bank AG in full

24.03.2009 - English - SITRONICS EXTRAORDINARY SHAREHOLDER MEETING ELECTS NEW BOARD OF DIRECTORS

24.03.2009 - Russian - JSC SITRONICS has paid off third coupon income

26.03.2009 - Russian - JSC SITRONICS has satisfied liabilities of buying off rouble bonds of type 01 in full

26.03.2009 - English - SITRONICS Information Technologies completed project for modernization of IT infrastructure of 39 outlets for the First Ukrainian International Bank

26.03.2009 - English - Micron received a citation from the Main Internal Affairs Department of Moscow

30.03.2009 - English - EastWind billing system has successfully passed certification tests

06.04.2009 - English - SITRONICS introduces new solutions for monitoring of automotive transport

06.04.2009 - English - Andrey Volodin will head SITRONICS Information Technologies in Russia

08.04.2009 - English - EastWind extends cooperation with CJSC Shupashkar-GSM

09.04.2009 - English - SITRONICS establishes subsidiary in India

13.04.2009 - English - ÀÊ&Ì Rating Agency confirmed the national scale rating of JSC SITRONICS at 'B++' level

15.04.2009 - English - Expert RA estimated the creditworthiness of JSC SITRONICS

16.04.2009 - English - SITRONICS will supply the solution for housing and communal services in Austria

17.04.2009 - Russian - Rus-Rating Agency confirmed rating of JSC SITRONICS at 'B++' level

17.04.2009 - Russian - NRA Rating Agency confirmed individual rating of the creditworthiness of JSC SITRONICS at 'A+' level

17.04.2009 -English -SITRONICS supplies RUIM cards for MTS India

20.04.2009 - English - SITRONICS is the largest IT-company in Russia throughout 2008 according to EXPERT RA ratings

22.04.2009 - English - SITRONICS TO DELIVER CRM AND BILLING SYSTEM FOR SISTEMA SHYAM TELESERVICES

23.04.2009 - English - EastWind hold a working seminar "EastWind Plus Formula. Skylink 2009 Session"

24.04.2009 - English - JSC SITRONICS ANNOUNCES UNAUDITED FINANCIAL RESULTS FOR THE FOURTH QUARTER AND FULL YEAR 2008

25.04.2009 – Russian - Press conference on the unaudited financial results for the fourth quarter and full year 2008 of JSC SITRONICS

28.04.2009 -Russian -SITRONICS Information technologies established IT-infrastructure for ASTRA-Bank

30.04.2009 -English - SITRONICS BOARD OF DIRECTORS ELECTS NEW CHAIRMAN

13.05.2009 -English -SITRONICS’ ANNUAL FINANCIAL REPORT 2008

2. Announcements made in accordance with the Russian legislation and available in the news tape http://www.e-disclosure.ru and at our website www.sitronics.com:

14.05.2008 JSC SITRONICS has posted the annual information review at www.sitronics.com

14.05.2008 JSC SITRONICS posted the press release: JSC SITRONICS announced that audited financial results for 2007 is available at www.sitronics.com

14.05.2008 On publication of the annual consolidated accounting reports by the Joint Stock Company, prepared in compliance with the IFRS and US GAAP

15.05.2008 Name of the document in the public domain: Quarterly report for Q1 2008

21.05.2008 Information regarding resolution made by the Board of Directors regarding the recommendations on amount of dividends payable per share and the procedure of the payment.

21.05.2008 Information regarding resolution made by the Board of Directors to convene the Annual General Shareholder Meeting (“AGM”), including the approval of the AGM’s agenda.

21.05.2008 On expiration of the authorities of the members of the Collegial Executive Body of the Joint Stock Company

21.05.2008 JSC Sitronics posted the press-release: JSC SITRONICS announced AGM Agenda

10.06.2008 JSC Sitronics posted the press-release: Unaudited financial results of JSC Sitronics for the first quarter, ending 31.03.2008 11.06.2008 JSC Sitronics posted the press-release: JSC SITRONICS provided the AGM documentation to the foreign regulating authority

19.06.2008 On change of the stake holdings of the persons, holding position of the members of the Board of Directors (Supervisory Board), member of the Collegial Executive Body of the Joint Stock Company, and of the person, holding the position (performing the duties of) the ultimate executive body of the Joint Stock Company, as well as of the managing company or the position of the corporate executive, in the Charter capital of the Joint Stock Company, as well as in the Charter capital of its subsidiaries and dependant companies, and/or on change of the percentage of the common shares of the Joint Stock Company, its subsidiaries and dependent companies of the mentioned persons

20.06.2008 JSC SITRONICS has bought back a part of shares from the members of the Board of JSC SITRONICS

25.06.2008 Disclosure of information through the Internet sent to the foreign security market regulatory body, foreign organizer and/or other organizations for the purpose of its disclosure.

Type (name) of the document, which text is published by the Russian issuer on the web-page in the Internet: Notifications on transactions of management body’s members, Officers with management authorities and Affiliated persons

26.06.2008 JSC SITRONICS Annual General Shareholder Meeting

27.06.2008 Event (events), that resulted in one-time reduction of the value of the assets of the issuer by more than 10 percent:Granting corporate guarantee of JSC SITRONICS in ensuring performance of 51% of the obligations of Intracom s.a. Telecom Solutions for the credit transaction

27.06.2008 Interested party transaction “On making a transaction with interested party by joint stock company which has to be approved by the authorized management body of the company in accordance with the legislation of the Russian Federation in case cost of the transaction is 5 and more percents of company book value stipulated on the last reporting date based on accounting report before the approval of this transaction by the authorized management body of the company

30.06.2008 Information regarding the resolution made by the Board of Directors: Establishment of Collegial Executive Body

30.06.2008 The expiry of the term of members of the executive board: On the expiry of the term of members of Collegial Executive Body

30.06.2008 JSC Sitronics posted the press-release: Board of Directors of JSC SITRONICS elected new management Board

01.07.2008 JSC SITRONICS posted the press-release: JSC SITRONICS appoints Marina Zabolotneva as CFO

02.07.2008 JSC SITRONICS posted the press-release:INTRACOM TELECOM Signs a ? 150 million Bond Loan Agreement

09.07.2008 Decisions made by General Meeting

Type of the General Meeting (Annual, extraordinary): Annual

29.07.2008 On change of the stake holdings of the persons, holding position of the members of the Board of Directors (Supervisory Board), member of the Collegial Executive Body of the Joint Stock Company, and of the person, holding the position (performing the duties of) the ultimate executive body of the Joint Stock Company, as well as of the managing company or the position of the corporate executive, in the Charter capital of the Joint Stock Company, as well as in the Charter capital of its subsidiaries and dependant companies, and/or on change of the percentage of the common shares of the Joint Stock Company, its subsidiaries and dependant companies of the mentioned persons

29.07.2008 JSC SITRONICS posted the press-release: Change of the stake holdings of the management Board and Board of Directors of JSC SITRONICS

30.07.2008 Event (events) that resulted in one-time increase (decrease) of the net profit or net losses of the issuer by more than 10 percent: decrease of the net losses of the issuer in Q2 2008 by more than 10% compared to Q1 2008 is due to seasonality and resulted from an increase of the expenses for ordinary activities

31.07.2008 Information regarding notifications about transactions of members of authorities, officials, management authorized and affiliated persons

14.08.2008 Name of the document in the public domain: Quarterly report for Q2 2008

09.09.2008 On publication of the accounting reports by the Joint Stock Company, prepared in compliance with the IFRS and US GAAP

09.09.2008 JSC SITRONICS posted the press-release: JSC SITRONICS announces unaudited financial results for the second quarter and first six months 2008 in compliance with the US GAAP

10.09.2008 On purchase by the Joint Stock Company of the share in charter capital of the other commercial organization (share fund), representing not less than 5 percent, or purchase of the common shares of the other company, constituting not less than 5 percent by the Joint Stock Company, as well as the change of such a share, if it becomes higher or lower than 5, 10, 15, 20, 25, 30, 50 and 75 percent due to such change

10.09.2008 JSC SITRONICS posted the press-release: SITRONICS establishes joint venture with ZTE corporation

18.09.2008 JSC SITRONICS posted the press-release: INTRACOM TELECOM signed a ?122.5 mln contract with the Ministry of Education of Romania

23.09.2008 Dividends payment on securities: series 01 non-convertible interest-bearing central bonds payable to bearer with obligatory centralized care

25.09.2008 JSC SITRONICS posted the press-release: SITRONICS deployed a radio network for Shyam Telelink in Rajasthan in three months

08.10.2008 JSC SITRONICS posted the press-release: Oksana Kovalevskaya appointed Vice-President of JSC SITRONICS, Strategy”

22.10.2008 JSC SITRONICS posted the press-release regarding the resolution made by the Board of Directors: Alexander Nikolaevich Lutsenko was excluded from the composition of the Board of Directors and Oksana Vasilievna Kovalevskaya was introduced. Evgeniy Vladimirovich Utkin was appointed Chairman of the Audit Committee of the Board of Directors of JSC SITRONICS. The Board of Directors approved credit agreement conditions with Dresdner Bank AG or its affiliated person.

22.10.2008 JSC SITRONICS posted the press release: SITRONICS Board of Directors announces its decisions

23.10.2008 On purchase by the Joint Stock Company of the share in charter capital of the other commercial organization (share fund), representing not less than 5 percent, or purchase of the common shares of the other company, constituting not less than 5 percent by the Joint Stock Company, as well as the change of such a share, if it becomes higher or lower than 5, 10, 15, 20, 25, 30, 50 and 75 percent due to such change.

24.10.2008 Information regarding the resolution made by the Board of Directors of the Joint Stock Company: "On early termination of authorities of the member of collegial executive body".

Content of resolution, made by the Board of Directors of the Joint Stock Company:

Exclude from the Managemet Board of the Joint Stock Company Mr. Alexander Lutsenko

24.10.2008 Information regarding the resolution made by the Board of Directors of the Joint Stock Company: "On establishment of collegial executive body"

Content of resolution, made by the Board of Directors of the Joint Stock Company:

Introduce into the Management Board of the Joint Stock Company Mrs. Kovalevskaya Oksana

30.10.2008 Event (events), that resulted in one-time increase (reduction) of the net profit or net losses of the issuer by more than 10 percent:

The fact (facts) which has caused discontinuous increase (reduction) of net profit or dead losses of the issuer more than for 10 percent: Occurrence of dead losses of the issuer in third quarter 2008 is due to reduction of revenue from realisation of services, realisation of the expenses connected with realisation of stock option program (payment of special compensation for acquisition of actions)

14.11.2008 Disclosing of the quarterly report of the emitter of securities

Name of the document in the public domain: the quarterly report for Q3 2008

19.11.2008 Information about capital issue (additional capital issue) recognition as failed or invalid

Information about failed capital issue

28.11.2008 Information regarding the resolution made by the Board of Directors of the Joint Stock Company “On approval of major transaction of Joint Stock Company”

28.11.2008 Single transaction with cost more than 10 % of assets value.

Type and subject of the transaction: credit agreement on providing with refundable and returnable credit line in amount limited to USD230 000 000

01.12.2008 JSC SITRONICS posted the press release: SITRONICS signs USD  230 million credit facility agreement with VNESHECONOMBANK

09.12.2008 JSC SITRONICS posted the press release: SITRONICS ANNOUNCES UNAUDITED FINANCIAL RESULTS FOR THE THIRD QUARTER AND FIRST NINE MONTHS OF 2008 23.12.2008 Information regarding the resolution made by the Board of Directors of the Joint Stock Company "On calling the Extraordinary Shareholder Meeting, including the approval of the agenda of the general shareholder meeting"

23.12.2008 Information regarding the date of closure of the register of the shareholders of the issuer

23.12.2008 JSC SITRONICS posted the press release : SITRONICS BOARD SETS DATE OF EGM

13.01.2009 JSC SITRONICS posted the press release: JSC SITRONICS filed EGM documentation to the foreign regulating authority

02.02.2009 On purchase by the Joint Stock Company of the share in charter capital of the other commercial organization (share fund), representing not less than 5 percent, or purchase of the common shares of the other company, constituting not less than 5 percent by the Joint Stock Company, as well as the change of such a share, if it becomes higher or lower than 5, 10, 15, 20, 25, 30, 50 and 75 percent due to such change.

13.02.2009 Disclosing of the quarterly report of the emitter of securities

Name of the document in the public domain: Quarterly report for Q4 2008

17.02.2009 JSC SITRONICS posted the press release: SITRONICS to supply convergent services platform to MTS Uzbekistan

25.02.2009 Information regarding the resolution made by the Board of Directors of the joint stock company "On purchasing bonds placed by the company"

25.02.2009 JSC SITRONICS (issuer) announced about appointment of issuer’s agent for acquisition series 01 non-convertible interest-bearing certificated central bonds payable to bearer with obligatory centralized , state identification number 4-01-50038-À from 23.08.2007

06.03.2009 Information on accrual and (or) paid-up income on the securities of the issuer

Kind, category (type), a series and other identification signs of securities: series 01 documentary non-convertible interest-bearing bonds payable to bearer

Obligation of the issuer: to take a decision on amount of interest rate on the forth coupon of bonds

24.03.2009 Information on accrual and (or) paid income on the securities of the issuer

Kind, category (type), a series and other identification signs of securities: series 01 documentary non-convertible interest-bearing bonds payable to bearer

Obligation of the issuer: to pay interest yield of the third coupon of bonds

24.03.2009 The Press release about the decisions made by governing bodies of the issuer : EXTRAORDINARY SHAREHOLDER MEETING ELECTS NEW BOARD OF DIRECTORS

24.03.2009 JSC SITRONICS posted the press release: SITRONICS EXTRAORDINARY SHAREHOLDER MEETING ELECTS NEW BOARD OF DIRECTORS

26.03.2009 Dates of performance of obligations before owners of securities.

Kind, category (type), a series and other identification signs of securities :series 01 documentary non-convertible interest-bearing bonds payable to bearer with obligatory centralized storage

30.03.2009 Event (events), that resulted in one-time increase (reduction) of the net profit or net losses of the issuer by more than 10 percent:

The fact (facts) which has caused discontinuous increase (reduction) of net profit or dead losses of the emitter more than for 10 percent: Increase in dead losses of the emitter in IV quarter 2008ã is due to occurrence of negative course differences from revaluation of obligations of the company expressed in a foreign currency. The size of negative course differences for 4 quarter 2009 is 982 532 thousand rbl.

01.04.2009 Information regarding the resolution made by general meeting

Type of the general meeting (annual, extraordinary): extraordinary

02.04.2009 On purchase by the Joint Stock Company of the share in charter capital of the other commercial organization (share fund), representing not less than 5 percent, or purchase of the common shares of the other company, constituting not less than 5 percent by the Joint Stock Company, as well as the change of such a share, if it becomes higher or lower than 5, 10, 15, 20, 25, 30, 50 and 75 percent due to such change.

09.04.2009 JSC SITRONICS posted the press release: "SITRONICS establishes subsidiary in India"

09.04.2009 On purchase by the Joint Stock Company of the share in charter capital of the other commercial organization (share fund), representing not less than 5 percent, or purchase of the common shares of the other company, constituting not less than 5 percent by the Joint Stock Company, as well as the change of such a share, if it becomes higher or lower than 5, 10, 15, 20, 25, 30, 50 and 75 percent due to such change.

22.04.2009 JSC SITRONICS posted the press release: SITRONICS TO DELIVER CRM AND BILLING SYSTEM FOR SISTEMA SHYAM TELESERVICES

24.04.2009 JSC SITRONICS posted the press release: "JSC SITRONICS ANNOUNCES UNAUDITED FINANCIAL RESULTS FOR THE FOURTH QUARTER AND FULL YEAR 2008"

28.04.2009 "Information about the record day of the issuer"

Category (type) of stocks of the issuer concerning which the list of their owners for certain date is made: ordinary nominal book-entry shares

28.04.2009 Information regarding the resolution made by the Board of Directors of the Joint Stock Company "On calling the Extraordinary Shareholder Meeting "

30.04.2009 JSC SITRONICS posted the press release: “SITRONICS BOARD OF DIRECTORS ELECTS NEW CHAIRMAN” 30.04.2009 JSC SITRONICS posted the press release: “SITRONICS’ ANNUAL FINANCIAL REPORT 2008”

30.04.2009 "On publishing of the joint stock company's intermediate (quarterly) or annual financial (accounting) reports, and/or intermediate (quarterly) or annual consolidated financial (accounting) reports, prepared according to IFRS or US GAAP"

30.04.2009 Event (events), that resulted in one-time increase (reduction) of the net profit or net losses of the issuer by more than 10 percent:

The fact (facts) which has caused discontinuous increase (reduction) of net profit or dead losses of the emitter more than for 10 percent: reduction of dead losses of the emitter in I quarter 2009 is connected with reduction of negative course differences from revaluation of obligations of the company expressed in a foreign currency, and increase in incomes of JSC SITRONICS on granting operations in using of money resources (delivery of loans).