WILMINGTON, DE, APRIL 17, 2008 . . . Hercules Incorporated (NYSE: HPC) today held its annual shareholders meeting at its corporate headquarters in Wilmington, Delaware.

Based on preliminary voting results, four incumbent directors, Allan H. Cohen, Burton M. Joyce, Jeffrey M. Lipton and John K. Wulff, were re-elected for a new one-year term. Shareholders also approved the provisions of the Amended and Restated Annual Management Incentive Compensation Plan.

In addition, shareholders approved the appointment of BDO Seidman, LLP, as independent registered public accountants for 2008.

The full text and associated slides of Mr. Rogerson’s remarks at the 2008 Annual Shareholders Meeting can be found on our website at www.herc.com under Shareholder Information. The company will post the final vote results of the annual meeting on our website when they become available.

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Hercules manufactures and markets chemical specialties globally for making a variety of products for home, office and industrial markets. For more information, visit the Hercules website at www.herc.com.