SCHAUMBURG, Ill., Jan. 4, 2005--ACNielsen U.S., an operating unit of ACNielsen, a VNU business, today announced that it has been selected as the new preferred provider of syndicated marketing information and consumer insights for the Wm. Wrigley Jr. Company (NYSE:WWY). Wrigley, a recognized leader in the confectionery field and the world's largest manufacturer and marketer of gum, is home to some of the best-known brands in the world, including Doublemint(R), Wrigley's Spearmint(R), Big Red(R), Juicy Fruit(R), Winterfresh(R), Extra(R), Freedent(R), Hubba Bubba(R), Orbit(R) and Eclipse(R).

Wrigley Vice President & Managing Director - North America/Pacific, Ralph Scozzafava said, "We believe that ACNielsen has the information tools and people to best support our future direction. They proposed creative solutions to some of our key data challenges and offered a variety of programs and mechanisms to support our pursuit of even broader and deeper consumer and customer insights."

"The decision as to which information provider could best meet Wrigley's needs was a significant one, and we are proud to have been selected after a rigorous six-month process," said ACNielsen North America President Tim Callahan. "This is a key strategic win for ACNielsen. We are eager to help Wrigley grow their business with our world-class client service, our Web-enablement capabilities, and the high quality data from each of our information services."

Wrigley will take advantage of a wide range of ACNielsen services - offering information on everything from product assortment and front-end trends to sales monitoring and promotion analysis across key distribution channels. Additionally, data from ACNielsen's TDLinx(R) division will help drive retail execution and additional supply chain efficiencies by allowing for the integration of external ACNielsen sales data with internal Wrigley SAP shipment data.

ACNielsen, a VNU business, is the world's leading marketing information provider. Offering services in more than 100 countries, the unit provides measurement and analysis of marketplace dynamics and consumer attitudes and behavior. Clients rely on ACNielsen's market research, proprietary products, analytical tools and professional service to understand competitive performance, to uncover new opportunities and to raise the profitability of their marketing and sales campaigns.

Look for this press release and other ACNielsen news on the Internet at http://acnielsen.com/news.

Matt Bell, 847-605-5686