SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A AMENDMENT NO. 1 CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Act of 1934 Date of Report (Date of earliest event reported) September 11, 1995 HACH COMPANY -------------------------------------------------------------------------------- Delaware 0-3947 42-0704420 -------------------------------------------------------------------------------- (State or other (Commission IRS Employer jurisdiction of File No.) Identification No. incorporation) 5600 Lindbergh Drive, Loveland, Colorado 80537 -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) (303) 669-3050 -------------------------------------------------------------------------------- (Registrant's telephone number, including area code) Not applicable -------------------------------------------------------------------------------- (Former name or former address, if change since last report) Page 1 of 6 pages Exhibit Index at page 4 Item 5. OTHER EVENTS. On September 11, 1995, Hach Company ("Hach" or "Registrant") announced that Registrant has rejected Lawter International's unsolicited merger proposal to acquire all Hach Company shares not owned by Lawter for $21.00 per share. Also on September 11, 1995, Kathryn Hach-Darrow, Chairman of the Board of Hach Company, forwarded a letter to Mr. Daniel Terra, Chairman of Lawter International, reporting the Registrant's decision to decline Lawter International's offer to acquire all shares of the Registrant not owned by Lawter International. The foregoing description of the Registrant's announcement and the Chairman's letter is qualified in its entirety by reference to the text of the announcement and the letter, copies of which are attached as an exhibit to this report and are incorporated herein by reference. Item 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (c) EXHIBITS. The exhibits to this report are listed in the Exhibit Index included elsewhere herein. -2- SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be prepared and filed on its behalf by the undersigned hereunto duly authorized. HACH COMPANY By: /s/ Bruce J. Hach --------------------------------------- Bruce J. Hach President Date: September 19, 1995 -3- HACH COMPANY EXHIBIT INDEX Sequential Page Number Number and Description of Exhibit ----------- --------------------------------- 99(a) Press Release dated September 5 11, 1995 99(b) Letter from Mrs. Kathryn 6 Hach-Darrow, Chairman of Hach Company to Mr. Daniel J. Terra, Chairman of Lawter International dated September 11, 1995 -4-