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Marchex Signs Contextual Advertising Agreements with Four Premium Vertical Publishers including Computer Shopper

SEATTLE, WA and NEW YORK, NY - April 25, 2007

Marchex, Inc. (NASDAQ: MCHX, MCHXP), in conjunction with its IndustryBrains subsidiary, today announced that it has signed contextual advertising agreements with four online publishers, including Computer Shopper,, Wall Street Reporter, and SitePoint. Under the agreements, Marchex will provide its contextual advertising solutions to selected areas of the publishers' Web sites, or to channels associated with the sites, such as targeted newsletters and blogs.

"IndustryBrains has been a leader in delivering targeted advertising to publishers in the technology category for many years," said Josh London, General Manager, Online for Computer Shopper. "We are looking forward to our partnership with IndustryBrains, so that we can present users to the most relevant advertisers at industry leading cost-per-click rates."

"Adding these quality vertical publishers further reinforces our position as the leader in site- specific contextual advertising," said Peter Christothoulou, Marchex Chief Strategy Officer. "The combination of the depth of our quality publishers and targeting capabilities provides advertisers with excellent tools to maximize their performance."

Marchex's IndustryBrains subsidiary pioneered the site-specific approach to contextual advertising more than five years ago, with the 2002 launch of its contextual advertising platform. This approach allows brand-name publishers to directly benefit from the value of their respective online brands, content and site traffic. The new publishers announced today add to Marchex's network of more than 100 vertically focused and brand-name online publishers, such as BusinessWeek Online, The Motley Fool, and the Ziff Davis online properties; which is paired with a large base of premier advertisers.

About Marchex, Inc.

Marchex ( is a technology driven search and media company focused on vertical and local online traffic. Specifically, the company is focused on search marketing, local search, and direct navigation. Marchex's platform of integrated performance-based advertising and search marketing services enables merchants to efficiently market and sell their products and services across multiple online distribution channels, including search engines, product shopping engines, directories and selected Web sites.

About IndustryBrains

IndustryBrains, a wholly owned subsidiary of Marchex, is a leader in monetizing vertical and brand-name Web sites through contextual advertising solutions. Since 2002, the company has built a platform of high-quality traffic by leveraging its proprietary technology to offer a site-specific approach to contextual advertising under a business model that combines bid-for-placement and relevancy. This approach has allowed IndustryBrains to create relationships with more than 100 vertically focused and brand-name online publishers, such as, BusinessWeek Online, The Motley Fool, and the Ziff Davis online properties; as well as a large base of premier advertisers. For more information, visit

Safe Harbor Statement

This press release contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, included in this press release regarding our strategy, future operations, future financial position, future revenues, certain statements and expectations regarding the asset acquisition, projected costs, prospects, plans and objectives of management are forward-looking statements. We may not actually achieve the plans, intentions or expectations disclosed in our forward- looking statements and you should not place undue reliance on our forward- looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. There are a number of important factors that could cause Marchex's actual results to differ materially from those indicated by such forward-looking statements which are described in the "Risk Factors" section of our most recent periodic report and registration statement filed with the SEC. We disclaim any intention or obligation to update any forward-looking statements.

For further information, contact:

Marchex Press:
Michelle Craig
Nyhus Communications for Marchex
Telephone: 206.323.3733
Email: michelle(at)