Riverbed Technology (RVBD)

Stock Performance Graph

The graph set forth below compares the cumulative total stockholder return on our common stock between September 21, 2006 (the date of our initial public offering) and December 31, 2008, with the cumulative total return of (i) the Nasdaq Computer Index and (ii) the Nasdaq Composite Index, over the same period. This graph assumes the investment of $100,000 on September 21, 2006 in our common stock, the Nasdaq Computer Index and the Nasdaq Composite Index, and assumes the reinvestment of dividends, if any. We have never paid dividends on our common stock and have no present plans to do so. The graph assumes the initial value of our common stock on September 21, 2006 was the closing sales price of $15.30 per share.

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The comparisons shown in the graph below are based upon historical data and are not intended to suggest future performance. This performance graph shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference into any filing of ours under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Stock Performance Graph

The graph set forth below compares the cumulative total stockholder return on our common stock between September 21, 2006 (the date of our initial public offering) and December 31, 2006, with the cumulative total return of (i) the Nasdaq Computer Index and (ii) the Nasdaq Composite Index, over the same period. This graph assumes the investment of $100,000 on September 21, 2006 in our common stock, the Nasdaq Computer Index and the Nasdaq Composite Index, and assumes the reinvestment of dividends, if any. The graph assumes the initial value of our common stock on September 21, 2006 was the closing sales price of $15.30 per share.

The comparisons shown in the graph below are based upon historical data. We caution that the stock price performance shown in the graph below is not necessarily indicative of, nor is it intended to forecast, the potential future performance of our common stock. Information used in the graph was obtained from FactSet, a source believed to be reliable, but we are not responsible for any errors or omissions in such information.

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