Global MU Online

- Global MU Online beta testing will take place for 3 days starting from April 28th.

- To participate this event, sign-up for a free Webzen.com account starting from April 21st.

SEOUL, South Korea - April 20, 2009 - WEBZEN Inc. (NASDAQ and KOSDAQ: WZEN), a leading global online entertainment company, today announced the first best test for Global MU Online

WEBZEN will directly publish the global version of MU Online, which boasts more than 56 million registered users, in the first half of 2009 via Webzen’s ‘Global Game Portal?( www.webzen.com)"

Namhun Kwon, WEBZEN’s representative, said that the top priority for Webzen right now is direct users to a smooth transition where WEBZEN is coordinating with its publishing partner in regards to migration of the current database to transfer characters and items.

WEBZEN with extensive experience and knowledge operating many online MMORPG games has previously hosted the Global MU Online server in 2003 and is expected to provide end-user oriented services and customer supports as well as bringing stability into the game.

"You can expect a better service since the company that has been developing the game for many years is now operating the global server. MU Online has a world-wide user base and we are planning on providing a stable global service for them. Our new global game portal webzen.com is going to be a communication link for our customers throughout the world", said ChangKeun Kim, chief executive officer, WEBZEN Inc.

The publishing territories include North and South America as well as major countries in Europe and more, however, not including those countries which have been serviced through local publishing partners, such as China, Taiwan, Japan, Philippines, and Vietnam

To celebrate the opening of Global MU Online - Season 4, WEBZEN will enter the first beta testing from April 28th to April 30th. Registered users can sneak peak at the latest version of Global MU Online.

Upon request, all participants will receive a customized character to better experience part of Season 3 and Season 4 contents of Global MU Online like master level and quest maps such as "Illusion Temple" and "La Cleon?which have not been exposed to Global MU Online users.

The beta test application can be submitted through webzen.com from April 21th to Apr 26th. Users can sign up for ‘webzen.com?account and have an option to choose character class and starting level.

More details on Mu Online Global Service will be posted regularly on webzen's global game portal webzen.com ( www.webzen.com).

References

Global MU Online Service related:

- Global MU Online server opened on October 13th, 2003

- The License Agreement signed with K2 Network in 2005 to transfer the global publishing rights.

- The teaser site for Global MU Online first opened in April 1, 2009

- The official service of Global MU Online will begin through webzen.com ( www.webzen.com) in the first half of 2009

About WEBZEN Inc.

Founded in 2000 and based in Seoul, South Korea, WEBZEN Inc. (KOSDAQ and NASDAQ: WZEN) has become a leader in the MMOG market and has developed some of the world’s top online game and client/server technologies. WEBZEN is continuing the tradition of MU Online, which boasts more than 56 million registered users, with Soul of the Ultimate Nation: World Edition, Huxley: the Dystopia and an array of exciting game titles slated for release in the world’s game market. For more information on the company and its products, please head to www.webzen.com.