WILMINGTON, DE, November 16, 2007 . . .  Hercules Incorporated (NYSE: HPC) today announced that its Paper Technologies and Ventures Group will implement a pentaerythritol raw material surcharge of 13 cents per pound effective December 1, 2007 on all list and off-list pricing.  This surcharge is necessary to offset continuing unprecedented raw material increases and is in addition to the October 10, 2007 surcharge announcement.

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Hercules Incorporated 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.

Contact:
Robert Quattrocchi
Business Development Manager; Lubricants
Hercules Incorporated
T:  (573) 754-6211 Ext. 260    Fax:  (573) 754-3182
E:  rquattrocchi@herc.com