WASHINGTON, DC -- (MARKET WIRE) - December 18, 2008 - Marketwire, a
full-service newswire and communications workflow solutions provider, and GuideStar, USA, Inc., the nation's largest portal for philanthropic and nonprofit information and resources, announce an exclusive partnership that empowers charitable organizations with more opportunities to maximize PR efforts, boost branding and increase ROI.

The partnership is designed to further GuideStar's mission of revolutionizing philanthropy and nonprofit practice by providing information that advances transparency, enables users to make better decisions, and encourages charitable giving. To that end, Marketwire's offerings to GuideStar and GuideStar Newsletter subscribers include:

Thought leadership articles including its November 2008 GuideStar Newsletter piece on nonprofits promoting their universal messages via features press releases, especially during the holiday seasons; Information on building media lists and online media management to better target and publicize nonprofit stories and events to the right journalists and government officials; Special offers on PR 2.0 communication tools such as press release distribution, search engine optimization, social media participation, and more.

"As a former reporter and PR professional for a major nonprofit, I have often sought out and secured information needed from GuideStar," said Paolina Milana, Marketwire vice president, marketing. "GuideStar is a wonderful resource not only for its nonprofit and philanthropic members but also for the community wishing to research and donate to its listed charities. Marketwire is very pleased to be able to offer GuideStar and its members industry-leading tools and services and to help them in their efforts to further their good works."

"With the incredible growth of the nonprofit sector over the past 10-15 years and the increase in ways to deliver information, communicating effectively is more important than ever for nonprofits," stated Bob Ottenhoff, GuideStar's president and CEO. "Every organization faces the challenges of making its message stand out in an increasingly crowded field and of attracting the attention of audiences inundated with information. GuideStar is proud to partner with Marketwire to offer nonprofits the tools to accomplish these vital goals."

About GuideStar, USA, Inc.

GuideStar, www.guidestar.org, connects people and organizations with information on the programs and finances of more than 1.7 million IRS-recognized nonprofits. GuideStar serves a wide audience inside and outside the nonprofit sector, including individual donors, nonprofit leaders, grantmakers, government officials, academic researchers, and the media.

About Marketwire

The only fully integrated North America-based global newswire, Marketwire, Inc. is a full-service partner to IR, PR and MarCom professionals seeking top-tier press release distribution, media management, multimedia and monitoring solutions. Marketwire's customer-centric corporate philosophy focuses on being the best by infusing every aspect of its business with the following core attributes: precision, adaptability, innovation and simplicity.

Marketwire delivers its clients' news to the world's media and financial communities, fulfilling disclosure requirements in North America in compliance with the Securities and Exchange Commission (SEC) and the Toronto Stock Exchange (TSX), and serving as Primary Information Provider (PIP) with the UK's Financial Services Authority (FSA). With a reputation for technology leadership, Marketwire offers innovative products and services -- including Social Media, Search Engine Optimization, Dashboard Mobile Financial, News Dashboard coverage reports, exclusive access to networks such as the Canadian Press Wire Network, Easy IR and Easy PR workflow solutions, and more -- that help communication professionals maximize their effectiveness while ensuring accuracy and best practices. Having merged companies (Market Wire and CCNMatthews) in April 2006, and enjoying a combined history of 25 years of service, Marketwire is now majority-owned by OMERS Capital Partners, the private equity arm of one of Canada's largest pension funds.

Marketwire distributes the majority of press releases issued by publicly traded companies in Canada and serves more than 8,000 clients worldwide through 20 offices on four continents. For more information,
visit us at www.marketwire.com.

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Marketwire empowers the world's communicators to achieve greatness and move beyond words, offering press release distribution and social media insights.

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