Stull, Stull & Brody
Announces Investigation Relating to Lawsuits Filed on
Behalf of Certain Investors of Wind River Systems, Inc. -- WIND

ATTORNEY ADVERTISING. PRIOR RESULTS DO NOT GUARANTEE A SIMILAR OUTCOME.

NEW YORK, NY April 25, 2007 — The law firm of Stull, Stull & Brody announces that a shareholder lawsuit has been commenced against certain members of the board of directors and executive officers of Wind River Systems, Inc. (NASDAQ: WIND) (“Wind River” or the “Company”), in the Superior Court of the State of California for the County of Alameda.

The complaint alleges that certain current and former officers and directors manipulated the prices of executive and director stock option grants (i.e., back-dated stock options). The practice of awarding stock options to executives and directors at artificially low prices is alleged to violate the Company’s internal policies (such as the Company’s stock option plan), as well as state laws governing officer and director fiduciary duties and/or federal laws governing securities and taxation. According to the allegations, the practice resulted in lower payments to the Company and under-reporting of the Company’s compensation expenses, and permitted the officers, directors and/or executives of the Company to unjustifiably reap millions of dollars in profits which should be disgorged and returned to the corporate coffers, thereby contributing to the financial health of the Company.

Stull, Stull & Brody has litigated many shareholder lawsuits over the past 30 years and has obtained court approval of substantial settlements on numerous occasions. Stull, Stull & Brody maintains offices in New York and Los Angeles.

If you currently hold shares of Wind River and wish to discuss this matter or have any questions concerning this notice or your rights or interests with respect to this matter, please contact Tzivia Brody, Esq. at Stull, Stull & Brody, by e-mail at ssbny@aol.com, by calling toll-free 1-800-337-4983, by fax at 212-490-2022, or by writing to Stull, Stull & Brody, 6 East 45th Street, New York, NY 10017. You can also visit our website at www.ssbny.com.

ATTORNEY ADVERTISING. PRIOR RESULTS DO NOT GUARANTEE A SIMILAR OUTCOME.

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