» Oasys Mobile, Inc.

RALEIGH, N.C., Mar 28, 2007 (BUSINESS WIRE) -- Oasys Mobile, Inc. (OTCBB:OYSM) today announced it has signed a series of new agreements with Mattel, Inc., the world's largest toymaker, to expand international distribution of its franchise mobile game titles, including Barbie(TM), UNO(R), Magic 8 Ball(R) and Max Steel(TM).

“Our new agreements with Mattel for these great brand franchises positions Oasys to make an even greater impact in the global marketplace in 2007,” said Doug Dyer, CEO, Oasys Mobile.

As part of the agreement Oasys Mobile and Mattel will develop games and other applications around the Barbie(R) brand to be marketed to teenage girls in Japan and Taiwan.

Working with mobile carriers throughout Asia, UNO(R) will be made available throughout the region, including Japan, China, Korea, India and the Philippines beginning in April of this year. Oasys Mobile already distributes or has the rights to distribute UNO(R) in the United States, Canada, Europe, Central America, South America, Australia and New Zealand.

According to the agreement, Oasys Mobile will begin worldwide distribution of the popular Magic 8 Ball(R) game as early as June 2007.

Additionally, Oasys will work with its partners in Latin America to offer Max Steel(TM), the global security agent, to the large fan base in Mexico, Brazil, Argentina, Chile, Colombia and Ecuador.

“We are pleased to extend our partnership with Oasys Mobile,” said Cynthia Neiman, vice president of marketing, Mattel Games. “They have solid relationships with top carriers around the world and will deliver an entirely new line-up of mobile games featuring our popular brands to markets in Europe, Asia and Latin America.”

Highly-targeted mobile game distribution worldwide is an important growth strategy for Oasys Mobile.

“We are bringing UNO and Max Steel to the most relevant worldwide markets to leverage each franchise's popularity in these different markets,” added Dyer.

About Oasys Mobile, Inc.

Oasys Mobile, Inc. is a leading developer, publisher and aggregator of premium mobile games, mobile media applications and services that allow individuals to enjoy and share their mobile lifestyle. Oasys Mobile content is distributed through an extensive global Carrier network as well its consumer portal, www.OasysMobile.com. Through its white-label services, Oasys Mobile also helps Carriers and other content companies expand their customer base by incorporating rich mobile content into their product and brand offerings. For more information, see www.oasysmobileinc.com.

About Mattel

Mattel, Inc., (NYSE:MAT) (www.mattel.com) is the worldwide leader in the design, manufacture and marketing of toys and family products, including Barbie(R), the most popular fashion doll ever introduced. The Mattel family is comprised of such best-selling brands as Hot Wheels(R), Matchbox(R), American Girl(R), Radica(R) and Tyco(R) R/C, as well as Fisher-Price(R) brands (www.fisher-price.com), including Little People(R), Rescue Heroes(R), Power Wheels(R) and a wide array of entertainment-inspired toy lines. With worldwide headquarters in El Segundo, Calif., Mattel employs more than the 30,000 people in 43 countries and territories and sells products in more than 150 nations throughout the world. Mattel's vision is to be the world's premier toy brands--today and tomorrow.

This press release contains forward-looking statements that involve risks and uncertainties concerning Oasys Mobile's business, products and financial results. Actual results may differ materially from the results predicted. More information about potential risk factors that could affect our business, products and financial results is included in Oasys Mobile's annual report on Form 10-K for the year ended December 31, 2005, and in reports subsequently filed by Oasys Mobile with the Securities and Exchange Commission ("SEC"). All documents are available through the SEC's Electronic Data Gathering Analysis and Retrieval system (EDGAR) at www.sec.gov or from Oasys Mobile's website at www.oasysmobileinc.com. Oasys Mobile hereby disclaims any obligation to publicly update the information provided above, including forward-looking statements, to reflect subsequent events or circumstances.

All trademarks and/or registered trademarks are the property of their respective owners.

BARBIE, MAGIC 8 BALL, MAX STEEL, UNO and associated trademarks and trade dress are owned by, and used under license from, Mattel, Inc. (C) 2007 Mattel, Inc. All Rights Reserved.

SOURCE: Oasys Mobile, Inc.

Double Forte
Nicole Arena, 415-863-4900 x 203
narena@double-forte.com
or
Mattel, Inc.
Michele Sturdivant, 310-252-4374
michele.sturdivant@mattel.com