Filed by Adobe Systems Incorporated Pursuant to Rule 425
Under the Securities Act of 1933
And Deemed Filed Pursuant to Rule 14a-12
Under the Securities Exchange Act of 1934
Subject Company: Macromedia, Inc.
Commission File No. of Subject Company: 000-22688

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The following Press Release was released on June 8, 2005:

Press/Analyst Contacts
Holly Campbell
408.536.6401
campbell@adobe.com

Investor Relations
Mike Saviage
408.536.4416
ir@adobe.com

Adobe Voluntarily Provides DOJ Additional Time for Acquisition Review

SAN JOSE, Calif.—June 8, 2005—Adobe Systems Incorporated (Nasdaq: ADBE) today announced it has voluntarily withdrawn and refiled its pre-merger notification and report form under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, relating to its pending acquisition of Macromedia, Inc. (Nasdaq: MACR). The refiling is a procedural step to provide the staff at the Antitrust Division of the United States Department of Justice with additional time to review the information submitted by Adobe and Macromedia. Adobe still anticipates that the transaction will close in the Fall 2005 timeframe.

About Adobe Systems Incorporated

Adobe is the world's leading provider of software solutions to create, manage and deliver high-impact, reliable digital content. For more information, visit www.adobe.com.

Forward Looking Statements

This press release includes "forward-looking statements" within the meaning of the safe harbor provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements in this press release include expectations about the timing of the merger and the satisfaction of closing conditions to the transaction, including the receipt of regulatory approvals. Actual results may differ materially from those contained in the forward-looking statements in this press release. Adobe undertakes no obligation and does not intend to update these forward-looking statements to reflect events or circumstances occurring after this press release. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. All forward-looking statements are qualified in their entirety by this cautionary statement.

Additional Information and Where to Find It

Adobe Systems Incorporated intends to file a registration statement on Form S-4, and Adobe and Macromedia, Inc. intend to file a related joint proxy statement/prospectus, in connection with the merger transaction involving Adobe and Macromedia. Investors and security holders are urged to read the registration statement on Form S-4 and the related joint proxy/prospectus when they become available because they will contain important information about the merger transaction. Investors and security holders may obtain free copies of these documents (when they are available) and other documents filed with the SEC at the SEC's web site at www.sec.gov. In addition, investors and security holders may obtain free copies of the documents filed with the SEC by Adobe by contacting Adobe

Investor Relations at 408-536-4416. Investors and security holders may obtain free copies of the documents filed with the SEC by Macromedia by contacting Macromedia Investor Relations at 415-252-2106.

Adobe, Macromedia and their directors and executive officers may be deemed to be participants in the solicitation of proxies from the stockholders of Adobe and Macromedia in connection with the merger transaction. Information regarding the special interests of these directors and executive officers in the merger transaction will be included in the joint proxy statement/prospectus of Adobe and Macromedia described above. Additional information regarding the directors and executive officers of Adobe is also included in Adobe's proxy statement for its 2005 Annual Meeting of Stockholders, which was filed with the SEC on March 14, 2005. Additional information regarding the directors and executive officers of Macromedia is also included in Macromedia's proxy statement for its 2004 Annual Meeting of Stockholders, which was filed with the SEC on June 21, 2004 and Macromedia's proxy statement for a Special Meeting of Stockholders, which was filed with the SEC on October 6, 2004. These documents are available free of charge at the SEC's web site at www.sec.gov and from Investor Relations at Adobe and Macromedia as described above.

© 2005 Adobe Systems Incorporated. All rights reserved. Adobe and the Adobe logo are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and/or other countries. All other trademarks are the property of their respective owners.