1 Securities and Exchange Commission Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 5, 1999 Hercules Incorporated (Exact name of registrant as specified in its charter) Delaware 001-00496 51-0023450 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) Hercules Plaza 1313 North Market Street Wilmington, Delaware 19894-0001 (Address of principal executive offices) (Zip Code) (302) 594-5000 (Registrant's telephone number, including area code) Not Applicable (Former name or former address, if changed since last report) 2 Item 5. Other Events. The Registrant is hereby filing with the Securities and Exchange Commission its consolidated financial statements as of December 31, 1998 and 1997, and for each of the three years in the period ended December 31, 1998. Item 7. Financial Statements and Exhibits. (c) Exhibits 23.1 Consent of PricewaterhouseCoopers LLP. 99.1 The Registrant's consolidated financial statements as of December 31, 1998 and 1997, and for each of the three years in the period ended December 31, 1998. 2 3 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. HERCULES INCORPORATED By: /s/ Israel J. Floyd -------------------------------- March 5, 1999 Israel J. Floyd Corporate Secretary 3 4 EXHIBIT INDEX Number Exhibit 23.1 Consent of PricewaterhouseCoopers LLP. 99.1 The Registrant's consolidated financial statements as of December 31, 1998 and 1997, and for each of the three years in the period ended December 31, 1998. 4