RNS Number:1139O
Hercules Inc
29 July 2003



Release Immediately

03-17-S





  HERCULES TO RELEASE SECOND QUARTER 2003 EARNINGS AND HOST CONFERENCE CALL -
                                 AUGUST 5, 2003




WILMINGTON, DE, JULY 29, 2003 . . . Hercules Incorporated (NYSE: HPC) today
announced that it intends to release its second quarter 2003 earnings, before
trading begins on the New York Stock Exchange, on Tuesday, August 5, 2003. The
earnings news release will be available on the Company's website, www.herc.com,
shortly after its release.


Also, the Company will convene a teleconference for shareholders and analysts on
August 5th, at 9 AM EDST. To participate in the conference call, dial
973-582-2710, 10 to 15 minutes prior to the call time.


A replay of the teleconference will be available continuously beginning 12:30 PM
on August 5th through August 12th by dialing 973-341-3080. The replay
teleconference PIN is 4080810.


                                     # # #


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.












Media Contact:     John S. Riley          (302) 594-6025

Investor Contact:     Allen A. Spizzo     (302) 594-6491


                      This information is provided by RNS
            The company news service from the London Stock Exchange
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