Newtown, PA — April 12, 2012 — EPAM Systems, Inc. (NYSE:EPAM), a leading software engineering and IT Outsourcing (ITO) provider with development centers across Central and Eastern Europe (CEE), today announced a partnership with 10gen, the company behind the leading open-source non-relational database MongoDB.

The partnership between 10gen and EPAM will serve organizations looking for alternatives to relational databases. 10gen offers compelling advantages to the enterprise — agility in database development, unparalleled scalability in deployment and a community maintained open-sourced product. Thousands of leading Web 2.0 and Fortune 500 companies, including Disney, Viacom, Intuit and Foursquare have already adopted MongoDB due to this support. By providing solution architecture, development, integration and maintenance services for MongoDB, EPAM Big Data Competency Center affords the backing and scalability companies need to integrate their products into mission critical applications.

“Big Data and online channel optimization trends will continue to drive the explosive growth in the use of the non-relational tools”, said Alex Lyashok, Vice President, Technology Solutions of EPAM Systems. “MongoDB plays a crucial role in this ecosystem and EPAM is aggressively investing in the 10gen relationship. Services we provide to 10gen and our customers help mature the use of the product and ensure the best possible outcome for the clients”.

“10gen is committed to working with EPAM across the globe to ensure that MongoDB is available on a variety of clouds and platforms, is well integrated with popular hardware and software, and that a growing number of businesses around the world develop and deploy MongoDB-based solutions.”, said Ben Sabrin, VP of Sales at 10gen.

About 10gen

10gen is the initiator, contributor and continual sponsor of MongoDB, offering production support, training, consulting and online management services, for the database. 10gen is funded by Sequoia Capital, Flybridge Capital Partners, and Union Square Ventures.

For more information, visit http://www.10gen.com or http://www.mongodb.org.

About EPAM Systems

Established in 1993, EPAM Systems, Inc. (NYSE: EPAM) is a leading global software engineering and IT consulting provider with delivery centers throughout Central and Eastern Europe. Headquartered in the United States, EPAM employs over 7,000 IT professionals and provides services to clients worldwide using a global delivery model through its client facing and delivery operations in the United States, Belarus, Hungary, Russia, Ukraine, UK, Germany, Kazakhstan, Sweden, Switzerland, and Poland.

EPAM’s core competencies include complex software product engineering for leading global software and technology vendors, as well as development, testing, maintenance, and support of mission critical business applications and vertically oriented IT consulting services for Forbes Global 2000 corporations.

EPAM is recognized among the top companies in IAOP’s “The 2011 Global Outsourcing 100” , featuring EPAM in a variety of sub-lists, including “Leaders — Technology (Hardware & Software)” and “Leaders — Entertainment & Media”. The company is also ranked among the best global service providers on “The 2011 Global Services 100” by Global Services Magazine and NeoAdvisory, which includes EPAM in the list of the world’s “Top Outsourced Product Engineering Vendors” for the 3rd year running.

For more information, please visit www.epam.com

Forward-Looking Statements

This press release includes statements which may constitute forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, the accuracy of which are necessarily subject to risks, uncertainties, and assumptions as to future events that may not prove to be accurate. Factors that could cause actual results to differ materially from those expressed or implied include general economic conditions and the factors discussed in our most recent Annual Report on Form 10-K and other filings with the Securities and Exchange Commission. EPAM undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except as may be required under applicable securities law.