FORM 8-A SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 UNUM CORPORATION (Exact name of registrant as specified in its charter) Delaware 01-0405657 (State of Incorporation or organization) (I.R.S. Employer Identification No.) 2211 Congress Street, Portland, Maine 04122 (Address of principal executive offices) (Zip Code) If this Form relates to the registration of a class of debt securities and is effective upon filing pursuant to General Instruction A(c)(1), please check the following box. [x] If this Form relates to the registration of a class of debt securities and is to become effective simultaneously with the effectiveness of a concurrent registration statement under the Securities Act of 1933 pursuant to General Instructions (A(c)(2), please check the following box. [ ] Securities to be registered pursuant to Section 12(b) of the Act: Title of each class Name of exchange on which to be so registered each class is to be 8.8% Junior Subordinated registered Deferrable New York Stock Exchange Interest Debentures, Series A Securities to be registered pursuant to Section 12(g) of the Act: None Item 1. Description of Registrant's Securities to be Registered. The material set forth in the section captioned "Description of Debt Securities" in the Registrant's Prospectus dated October 8, 1993 (Registration No. 33-69132), filed with the Securities and Exchange Commission on October 14, 1993, and the section captioned "Certain Terms of the Series A Junior Subordinated Debentures" in the Registrant's Prospectus Supplement dated May 4, 1995, filed with the Securities and Exchange Commission on May 5,1995, are incorporated herein by reference. Item 2. Exhibits. 1. Certificate of Incorporation of UNUM Corporation, as amended, incorporated herein by reference from Registrant's Annual Report on Form 10-K dated March 25, 1992. 2. By-Laws of UNUM Corporation, as amended, incorporated herein by reference from the Registrant's Annual Report on Form 10-K dated March 25, 1992. 3. Form of Indenture between UNUM Corporation and Mellon Bank, N.A., as Trustee, incorporated herein by reference from Registrant's Current Report on Form 8-K dated April 26, 1995. 4. Form of First Supplemental Indenture between UNUM Corporation and Mellon Bank, N.A., as Trustee, incorporated herein by reference from Registrant's Current Report on Form 8-K dated April 26, 1995. 5. Form of Security (contained in Exhibits 3 and 4). SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. UNUM CORPORATION By: /s/ Rodney N. Hook Rodney N. Hook Senior Vice President & Chief Financial Officer Dated: May 10, 1995