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NHN USA, Inc. Announces Commercial Launch of Phone-Based Payment Service by Mobilians International

FOR IMMEDIATE RELEASE

Irvine, CA– May 15, 2008– NHN USA, a subsidiary of NHN (KOSDAQ:035420), the largest Korean internet company, officially announced the commercial availability of its phone-based payment service on NHN USA’s ijji.com online gaming website. With Mobilians PhoneBill service, NHN USA’s customers can purchase ijji.com“G-Coins” in multiple increments by simply charging them to their phone bill.

“After successful initial trials, Mobilians PhoneBill has generated interest and increased transaction volume from our online gaming customer base” says Whon Namkoong, chief executive officer of NHN USA.“We are extremely excited to introduce Mobilians PhoneBill and provide other alternative payment options to ijji.com users.”

With Mobilians PhoneBill service, internet consumers have the ability to charge online goods and services to their home phone bill in partnership with PaymentOne, Inc. Targeted primarily at youth and young adults, this service provides an easy-to-use and secure payment option that online merchants can offer to customers who don’t have easy access to credit cards or other traditional payment tools.

“This partnership with NHN USA’s ijji.com, one of the fastest growing gaming portals, is a significant milestone for Mobilians International,” said Pragnesh Shah, president and chief executive officer of Mobilians International.“The Mobilians PhoneBill service is the first phase of our commercial payment systems here in the U.S., paves the way for our MobiCash™ mobile payment solution.”

About Mobilians International

Mobilians International, Inc. is a leading mobile payments and e-commerce company that provides secure, easy-to-use payment methods for online purchases without the need for credit cards--simply by using mobile phones and mobile phone accounts. Its MobiCash™ product drives revenue growth and lowers shopping cart abandonment rates for targeted online merchants selling digital and physical goods, by providing customers a quick, hassle-free way to make purchases with no credit or debit card needed. Mobilians partners with postpaid and prepaid wireless carriers to deliver new incremental revenue streams that increase utility and value of mobile handsets to their customers. It utilizes robust and proven real time fraud management software systems to minimize risk for mobile service providers, merchants and consumers. Mobilians International is an independent U.S. corporation, with headquarters outside of Washington, D.C. and offices in San Jose, Calif. It is backed by the number-one mobile payments provider of its kind in Asia, publicly traded Mobilians Co., Ltd. of Korea. For more information, visit www.mobiliansinc.com.

About NHN USA

Headquartered in Irvine, Calif., NHN USA is a subsidiary of NHN (KOSDAQ: 035420)– a multi-national powerhouse operating a search engine portal and multiple game sites which has propelled NHN to become the leading internet company in Korea. NHN also operates the leading game sites in Japan and China.

About ijji.com

NHN USA’s ijji.com is a premier internet game destination with over 6 million registered users. Ijji.com offers a full range of casual to serious multiplayer titles including action games such as GUNZ™, Soldier Front™, Gunbound Revolution™, Drift City™ and Lumiary: Rise of the GoonZu™.

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Media Contacts:

Robin John Rosales, 949-863-1292, x250

NHN USA, Inc.

robin.rosales@nhnusainc.com

Margaret Brown, 703-898-9443

margaret@mlbpr.com