DivX Mobile Ecosystem Continues to Expand

Company Signs Agreement with QUALCOMM

SAN DIEGO — September 12, 2007 – DivX, Inc. (NASDAQ:DIVX) today announced a licensing agreement allowing QUALCOMM to include DivX(R) technology in a range of QUALCOMM video-enabled chipsets. This agreement will potentially allow consumers to access high-quality DivX video on a wide range of mobile devices powered by QUALCOMM’s chipsets.
“With the demand for mobile multimedia content growing, we remain committed to helping our customers take advantage of numerous innovative technologies, including the video features and content solutions offered by DivX,” said Jason Bremner, senior director of product management for QUALCOMM CDMA Technologies.

“Our agreement with QUALCOMM brings together a leader in the mobile industry with DivX’s expertise for digital video,” said Kevin Hell, Acting CEO of DivX, Inc. “Adding DivX to QUALCOMM’s product offerings will provide cutting-edge media capabilities to our mutual partners, and improve the consumer experience for enjoying video on their mobile handsets.”

Products that bear the DivX Certified logo have undergone a rigorous testing program to ensure a high-quality DivX media experience, including reliable video playback, interoperability with other DivX Certified devices and the visual quality users expect from DivX.

About DivX, Inc.

DivX creates products and services designed to improve the experience of media. Our first product offering was a video compression-decompression software library, or codec, which has been actively sought out and downloaded over 240 million times since January 2003, including over 80 million times during the last twelve months. We have since built on the success of our codec with other consumer software, including the DivX Player application, which is distributed from our website, www.divx.com. We also license our technologies to consumer hardware device manufacturers and certify their products to ensure the interoperable support of DivX-encoded content. In addition to technology licensing to consumer hardware device manufacturers, we currently generate revenue from software licensing, advertising and content distribution.

Forward-Looking Statements

Statements in this press release that are not strictly historical in nature constitute “forward-looking statements.” Such statements include, but are not limited to, statements regarding DivX’s visibility within the investment community. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause DivX’s actual results to be materially different from historical results or from any results expressed or implied by such forward-looking statements. These factors include, but are not limited to: the risk that customer use of DivX technology may not grow as anticipated; the risk that anticipated market opportunities may not materialize at expected levels, or at all; the risk that the Company’s activities may not result in the growth of profitable revenue; risks and uncertainties related to the maintenance and strength of the DivX brand; risks associated with DivX’s ability to penetrate existing and new markets; risks regarding the effects of competition; DivX’s dependence on its licensees and partners; the effect of intellectual property rights claims; and other factors discussed in the “Risk Factors” section of DivX’s quarterly report on Form 10-Q filed with the SEC on August 14, 2007. All forward-looking statements are qualified in their entirety by this cautionary statement. DivX is providing this information as of the date of this release and does not undertake any obligation to update any forward-looking statements contained in this release as a result of new information, future events or otherwise.