"Yahoo! already has more than 30 million unique, adult users in the U.S. alone, making it the world's most popular Internet guide," said Jeff Mallett, chief operating officer at Yahoo!. "With Yahoo! Online, we're now offering a complete solution, including all of Yahoo!'s popular Internet programming and services along with fast and reliable Internet access from MCI to give users an easy and rewarding way to explore the Internet from home or anywhere else."

"The online market is expected to double this year, so now consumers can benefit from one of the easiest, most comprehensive and most affordable ways to get on the Net," said David Trachtenberg, MCI's executive director of brand marketing. "The combination of MCI Internet and Yahoo! for only $14.95 per month is unbeatable. Now consumers have every reason to experience all the Internet has to offer."

All Internet, All The Time
Yahoo! Online powered by MCI Internet is completely Web-based and combines all the resources of the Internet with the navigational and programming expertise of Yahoo!, the world's leading Internet guide. By leveraging Yahoo!'s relationships with leading Web content providers, Yahoo! Online offers subscribers value-added features in online customization, content, communications, community and commerce.

• Personalization: Yahoo! Online powered by MCI Internet allows users to fully personalize their Yahoo! Online service to include news, weather and local content relevant to their interests. In addition, Yahoo! Online includes a Yahoo!-customized version of Microsoft's Internet Explorer 4.0 Web browser to further enhance the Web experience. The customized browser includes Yahoo! content channels and Yahoo! as the default search provider to help users navigate the Web quickly and easily.
  
• Content: Subscribers to Yahoo! Online powered by MCI Internet can find all the quality Web programming and services currently found on Yahoo!, the world's leading Internet navigational guide, plus additional premium content. Yahoo! Online provides comprehensive content for popular areas such as News, Sports, Personal Finance, Entertainment, Health and Travel. Users also have one-click access to Yahoo!'s popular Web directory as well as Yahoo! Get Local, which allows users to seamlessly get information and Web resources for their local community based on their zip code. In addition, Yahoo! Online subscribers receive premium content features and offers. Premium content currently includes programming from The Sporting News, Zacks and Ziff-Davis.
  
• Community and Communications: With Yahoo! Online powered by MCI Internet, subscribers never need to be out of touch with friends, family or others who share similar interests. Yahoo! Online features a full family of community and communications tools including chat, classifieds, e-mail, instant messaging and message boards. Yahoo! Online's unique e-mail service allows users to have multiple e-mail addresses and integrates Web-based e-mail with client software-based e-mail. This gives individuals the ability to access their e-mail account from any Web-connected computer around the world and take advantage of working offline for enhanced productivity on the road. Once online, users can sign up for unlimited Web-only, e-mail accounts by going to Yahoo! Mail (http://mail.yahoo.com). Instant messaging capability through the Yahoo! Pager (http://pager.yahoo.com) allows users to communicate instantly with their online friends and have a real-time, one-on-one chat.
  
• Commerce: Yahoo! Online powered by MCI Internet subscribers have access to the Web's largest directory of products and services. Through Yahoo!'s merchant program and the Visa Shopping Guide by Yahoo!, Yahoo! Online offers members convenient 24-hour online shopping in the most popular product and service categories such as apparel, music, books and software. In addition, subscribers can use the "personal shopper" feature on the Visa Shopping Guide to do comparison shopping, minimize shopping time, and find the best prices on products of interest.

Get Connected, Stay Connected
Yahoo! Online powered by MCI Internet features fast, reliable Internet connections from MCI Internet, one of the world's most powerful and reliable Internet networks. Subscribers receive nationwide dial-up access with local phone numbers for more than 90 percent of the U.S. population with support for speeds up to 56K (X2 technology). Yahoo! Online is backed by MCI's award-winning, dedicated customer service available toll-free, 24-hours-a-day, 7-days-a-week.

Pricing and Availability
Yahoo! Online powered by MCI Internet is available for just $14.95 per month for unlimited local access. After three months, customers can enjoy a low rate of $19.95 per month, however if a subscriber is already an MCI long-distance customer or chooses to become one, the low $14.95 rate will continue. Customers can also sign up for MCI One Net Savings - offering interstate long-distance for just nine cents per minute Monday through Saturday and five cents per minute all day Sunday (available only through online enrollment). To sign up for Yahoo! Online, individuals can call toll free 1-800-GET-YAHOO to request a CD or go to the Yahoo! Online powered by MCI Internet sign-up page (http://online.yahoo.com) and register online or download the "to go" version of the software to a floppy disk. Yahoo! Online is available for Windows 3.1 or Windows 95 machines.

Advertising Opportunities
Yahoo! Online provides an ideal platform for advertisers and merchants to reach a vast audience of online users. Advertisers for the launch of Yahoo! Online include CareerMosaic, CDnow, Egghead.com, Hallmark and Travelocity.

About MCI
MCI, headquartered in Washington, D.C., is a leading provider of local-to-global communication services to business, government and residential users. The company's fast-growing portfolio of advanced data, Internet and IT services now accounts for nearly a quarter of MCI's $19.7 billion in annual revenue. MCI operates one of the world's largest and most advanced digital networks, connecting local markets in the U.S. to more than 280 countries and locations worldwide. MCI has agreed to merge with WorldCom, one of the world's fastest-growing communications companies. The merger, which is expected to be completed by mid-1998, will create MCI WorldCom, a company uniquely positioned in the U.S. local and long distance markets as well as the global data and Internet markets.

About Yahoo!
Yahoo! Inc. (NASDAQ:YHOO) is a global Internet media company that offers a network of branded Web programming that serves millions of users daily. As the first online navigational guide to the Web, www.yahoo.com is the single largest guide in terms of traffic, advertising, household and business user reach, and is one of the most recognized brands associated with the Internet. Yahoo! Inc. provides targeted Internet resources and communications services for a broad range of audiences, based on demographic, key-subject and geographic interests. Yahoo! is headquartered in Santa Clara, Calif.