Vocus Named Fast 500 Company on Deloitte's 2011 Technology List
Provider of Cloud-Based Marketing and PR Software Attributes 140 Percent Revenue Growth to Product Innovation and New Customer Additions

Beltsville, Md. -- November 17, 2011 -- Vocus, Inc. (NASDAQ: VOCS), a leading provider of cloud-based marketing and PR software, today celebrates its inclusion in Technology Fast 500, Deloitte's annual ranking of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America.

Deloitte's rankings are based on percentage of fiscal year revenue growth during the period of 2006-2010. Vocus grew 140 percent during this period.

"It's a great honor to be recognized as a Technology Fast 500 company. Our inclusion is a testament to our fantastic clients and our continued investment in developing new products such as the Vocus Marketing suite" says Rick Rudman, Chief Executive Officer at Vocus.  "However, despite this growth, we believe that we are still in the early stages of penetrating a very large market for cloud-based marketing and PR software." 

"Vocus, like all 2011 Technology Fast 500 companies, has excelled in fostering innovation and channeling it into spectacular growth, against the backdrop of one of the most challenging economies in history," said Eric Openshaw, Vice-Chairman and U.S. technology, media and telecommunications leader at Deloitte. "Deloitte recognizes Vocus for its remarkable accomplishment."

The Deloitte Technology Fast 500 is the pre-eminent technology awards program in North America (U.S. and Canada) with 2011 being its seventeenth anniversary.

For further information on this award please visit http://bit.ly/s1suap. For up to date information on Vocus' products and solutions, visit www.vocus.com. For the latest Vocus and industry news, follow @Vocus on Twitter.

About Vocus

Vocus (Nasdaq: VOCS) is a leading provider of cloud-based marketing and PR software that helps organizations of all sizes reach and influence buyers across social networks, online and through the media. Vocus provides a suite of software for social media, content marketing and media relations, creating a comprehensive solution for our customers looking to generate awareness, build their reputation and increase sales in today's customer-led buying cycle.  Vocus is used by more than 30,000 organizations worldwide and is available in seven languages. For more information, please visit www.vocus.com or call (800) 345-5572.

About Deloitte's 2011 Technology Fast 500™

Technology Fast 500, which was conducted by Deloitte & Touche LLP, a subsidiary of Deloitte LLP, provides a ranking of the fastest growing technology, media, telecommunications, life sciences and clean technology companies - both public and private - in North America. Technology Fast 500 award winners are selected based on percentage fiscal year revenue growth from 2006 to 2010.
In order to be eligible for Technology Fast 500 recognition, companies must own proprietary intellectual property or technology that is sold to customers in products that contribute to a majority of the company's operating revenues.
Companies must have base-year operating revenues of at least $50,000 USD or CD, and current-year operating revenues of at least $5 million USD or CD. Additionally, companies must be in business for a minimum of five years, and be headquartered within North America.

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This release contains "forward-looking" statements that are made pursuant to the Safe Harbor provisions of the Private Securities Litigation Reform Act of 1995. These are statements that are predictive in nature, that depend upon or refer to future events or conditions, or that include words such as "may," "will," "expects," "projects," "anticipates," "estimates," "believes," "intends," "plans," "should," "seeks," and similar expressions. This press release contains forward-looking statements relating to, among other things, Vocus' expectations and assumptions concerning future financial performance. Forward-looking statements involve known and unknown risks and uncertainties that may cause actual future results to differ materially from those projected or contemplated in the forward-looking statements. Forward-looking statements may be significantly impacted by certain risks and uncertainties described in Vocus' filings with the Securities and Exchange Commission.

The risks and uncertainties referred to above include, but are not limited to, risks associated with possible fluctuations in our operating results and rate of growth, our history of operating losses, interruptions or delays in our service or our Web hosting, our business model, breach of our security measures, the emerging market in which we operate, our relatively limited operating history, our ability to hire, retain and motivate our employees and manage our growth, competition, our ability to continue to release and gain customer acceptance of new and improved versions of our service, successful customer deployment and utilization of our services, fluctuations in the number of shares outstanding, our ability to integrate acquisitions, foreign currency exchange rates and interest rates.