DoubleClick Email List Services Expands Reach in Technology and Business-to-Business Markets; Advertisers Achieving 16% Response Rate With Technology Lists

Business Wire, May 15, 2001

Business, Technology, Advertising & Media Editors

NEW YORK--(BUSINESS WIRE)--May 15, 2001

DoubleClick Inc. (NASDAQ: DCLK), the leading digital marketing solutions company, today announced that the company's eMail List Services product will now offer new lists in the fast growing technology and business- to- business categories, in order to meet marketplace demand. With the addition of these lists, including Brainbench, DigitalWork, and Coolboard, DoubleClick's eMail List Services is now managing 41 lists and has over 21 million opt-in email names under management.

With these new lists, DoubleClick's eMail List Services allows marketers to target a wider range of tech-savvy and business -to- business audiences by having access to 20 lists and over 7 million names in these significant categories. For example, Caldera Systems, a technology leader in developing business solutions, chose the Brainbench list to reach their target market and achieved a 16% response rate.

"Caldera specializes in delivering UNIX and Linux products to our target customers," said Joe Ballif, product line manager at Caldera Systems, Inc. "DoubleClick's expertise in profiling key markets provided Caldera the tools we needed to get our message to whom we wanted when we wanted."

DoubleClick eMail List Services is an email marketing solution that comprehensively meets the needs of both list renters and list owners. DoubleClick eMail List Services helps advertisers (list renters) drive customer acquisition by providing direct access to high quality consent based email names across a wide selection of content categories.

"We are seeing continued demand for business and technology lists and our lists allow marketers the opportunity to reach a large pool of business and technology executives," said Nancy Joyce, GM DoubleClick Email List Services. "Advertisers using these lists are realizing tremendous levels of success."

Through the deployment of DigitalWork's Unity(TM) Technology Platform, an eServices platform that aggregates, integrates and manages third party online services on behalf of enterprise customers, DigitalWork offers over 300,000 unique small business email addresses. Additionally, Coolboard provides a unique suite of community building solutions for commercial and personal web sites and small web businesses that enable them to build active communities.

With its user base of over 1.5 million unique US email addresses and 800,000 unique International email addresses, Brainbench, the leader in the $2.8 billion tech-based testing, training assessment, and certification industry, mirrors the growth of the technology sector. New lists under management also include, PC Drivers Head Quarter, and Radiate's Go!Zilla.

"The high response rates that the Brainbench file is regularly generating for mailers are largely a result of DoubleClick's ability to take advantage of the unique opportunities for segmentation and targeting that our list provides," said Michael Gorman, Director of Database Monetization Brainbench. "DoubleClick is proving that smart, targeted mailings conducted on time and error-free are good for everyone - the mailer, the broker, the list owner and the prospects."

About DoubleClick eMail

DoubleClick eMail is a suite of email marketing products that combines the power of email and permission-based marketing to provide a powerful, integrated solution to meet the challenge all online publishers and advertisers face -developing profitable lifetime customer relationships. For more information, visit http://www.doubleclick.net/us/publishers/email-marketing.> Caldera and "Unifying UNIX with Linux for Business" are trademarks or registered trademarks of Caldera Systems, Inc. All other products, services, companies, events and publications are trademarks, registered trademarks or servicemarks of their respective owners in the U.S. and/or other countries.

LINUX is a registered trademark of Linus Torvalds.

UNIX is a registered trademark of The Open Group in the United States and other countries.

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