<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 1999
-----------------------
Check Here if Amendment / /; Amendment Number:
---------
This Amendment (Check only one.): / / is a restatement.
/ / adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: UNUM Corporation
-------------------------------
Address: 2211 Congress Street
-------------------------------
Portland, Maine 04122-0590
-------------------------------
Form 13F File Number: 28-2273
---------------------
The institutional investment manager filing this report and the person by
whom it is signed hereby represent that the person signing the report is
authorized to submit it, that all information contained herein is true,
correct and complete, and that it is understood that all required items,
statements, schedules, lists, and tables, are considered integral parts of
this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Peter J. Moynihan
----------------------------------
Title: Senior Vice President, Investments
----------------------------------
Phone: 207-770-4119
----------------------------------
Signature, Place, and Date of Signing:
/s/ Peter J. Moynihan Portland, ME May 12, 1999
- ------------------------------- ----------------- -------------
[Signature] [City, State] [Date]
Report Type (Check only one.):
/X/ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting
manager are reported in this report.)
/ / 13F NOTICE. (Check here if no holdings reported are in this report,
and all holdings are reported by other reporting manager(s).)
/ / 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
<PAGE>
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: None
--------------------
Form 13F Information Table Entry Total: 27
--------------------
Form 13F Information Table Value Total: $ 298,770,249
--------------------
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings
and list entries.]
No. Form 13F File Number Name
28-[ TO COME ] UNUM Life Insurance Company of America
------ -------------------- --------------------------------------
28-[ TO COME ] UNUM Employees Lifecycle Plan
------ -------------------- --------------------------------------
[Repeat as necessary.]
<PAGE>
<TABLE>
<CAPTION>
PAGE 1 OF 1 FORM 13F NAME OF REPORTING MANAGER UNUM CORPORATION 3/31/99
(ITEM 1) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7)
INVESTMENT DISCRETION
----------------------
TITLE SHARED
OF FAIR MARKET SHARES OR SOLE SHARED OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE PRINCIPAL AMOUNT (A) (B) (C) MANAGERS
- -------------- ----- --------- ----- ---------------- --- --- --- --------
<S> <C> <C> <C> <C> <C> <C> <C> <C>
ALTERA CORP COM 021441100 4,373,250 73,500 X 1
CVS CORP COM 126650100 5,700,000 120,000 X 1
CIENA CORP COM 171779101 1,743,750 77,500 X 1
CISCO SYS INC COM 17275R102 26,870,326 245,250 X 1
COLGATE PALMOLIVE CO COM 194162103 6,440,000 70,000 X 1
DELL COMPUTER CORP COM 247025109 3,270,000 80,000 X 1
DISNEY WALT CO COM 254687106 5,322,375 171,000 X 1
ERICSSON L M TEL CO ADR CL B SEK10 294821400 14,621,182 614,000 X 1
GILLETTE CO COM 375766102 14,669,298 246,800 X 1
HCR MANOR CARE INC COM 404134108 6,929,297 303,750 X 1
HEWLETT PACKARD CO COM 428236103 9,120,849 134,500 X 1
INTEL CORP COM 458140100 21,944,325 184,600 X 1
KIMBERLY CLARK CORP COM 494368103 4,985,552 104,000 X 1
LILLY ELI & CO COM 532457108 8,742,125 103,000 X 1
LOUIS DREYFUS NAT GAS CORP COM 546011107 4,510,428 311,064 X 1
LOWES COS INC COM 548661107 5,445,000 90,000 X 1
MATTEL INC COM 577081102 3,466,382 139,000 X 1
MICROSOFT CORP COM 594918104 30,651,750 342,000 X 1
PEPSICO INC COM 713448108 13,143,655 335,400 X 1
PFIZER INC COM 717081103 24,420,000 176,000 X 1
PROCTER & GAMBLE CO COM 742718109 9,793,800 100,000 X 1
SCHERING PLOUGH CORP COM 806605101 11,271,000 204,000 X 1
STAPLES INC COM 855030102 6,246,250 190,000 X 1
TELLABS INC COM 879664100 5,581,525 57,100 X 1
TIME WARNER INC COM 887315109 23,679,867 334,400 X 1
UNUM CORP COM 903192102 21,345,513 448,784 X 1
XEROX CORP COM 984121103 4,482,750 86,000 X 1
PAGE TOTAL 298,770,249
GRAND TOTAL 298,770,249
<CAPTION>
(ITEM 8)
VOTING AUTHORITY
----------------
SOLE SHARED NONE
(A) (B) (C)
--- --- ---
<S> <C> <C> <C>
ALTERA CORP 73,500
CVS CORP 120,000
CIENA CORP 77,500
CISCO SYS INC 245,250
COLGATE PALMOLIVE CO 70,000
DELL COMPUTER CORP 80,000
DISNEY WALT CO 171,000
ERICSSON L M TEL CO 614,000
GILLETTE CO 246,800
HCR MANOR CARE INC 303,750
HEWLETT PACKARD CO 134,500
INTEL CORP 184,600
KIMBERLY CLARK CORP 104,000
LILLY ELI & CO 103,000
LOUIS DREYFUS NAT GAS CORP 311,064 0
LOWES COS INC 90,000
MATTEL INC 139,000
MICROSOFT CORP 342,000
PEPSICO INC 335,400
PFIZER INC 176,000
PROCTER & GAMBLE CO 100,000
SCHERING PLOUGH CORP 204,000
STAPLES INC 190,000
TELLABS INC 57,100
TIME WARNER INC 334,400
UNUM CORP 448,784
XEROX CORP 86,000
</TABLE>
<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 1999
-----------------------
Check Here if Amendment / /; Amendment Number:
---------
This Amendment (Check only one.): / / is a restatement.
/ / adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: UNUM Life Insurance Company of America
--------------------------------------
Address: 2211 Congress Street
--------------------------------------
Portland, Maine 04122-0590
--------------------------------------
Form 13F File Number: 28-2273
---------------------
The institutional investment manager filing this report and the person by
whom it is signed hereby represent that the person signing the report is
authorized to submit it, that all information contained herein is true,
correct and complete, and that it is understood that all required items,
statements, schedules, lists, and tables, are considered integral parts of
this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Peter J. Moynihan
----------------------------------
Title: Senior Vice President, Investments
----------------------------------
Phone: 207-770-4119
-------------------------------
Signature, Place, and Date of Signing:
/s/ Peter J. Moynihan Portland, ME May 12, 1999
- ------------------------------- ----------------- -------------
[Signature] [City, State] [Date]
Report Type (Check only one.):
/X/ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting
manager are reported in this report.)
/ / 13F NOTICE. (Check here if no holdings reported are in this report,
and all holdings are reported by other reporting manager(s).)
/ / 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
<PAGE>
FORM 13-F
PLEASE BE ADVISED THAT UNUM CORPORATION IS FILING FORM 13-F ON BEHALF OF THIS
INSTITUTIONAL MANAGER.
<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 1999
-----------------------
Check Here if Amendment / /; Amendment Number:
---------
This Amendment (Check only one.): / / is a restatement.
/ / adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: UNUM Employees Lifecycle Plan
-------------------------------
Address: 211 Congress Street
-------------------------------
Portland, ME 04122-0590
-------------------------------
Form 13F File Number: 28-2273
---------------------
The institutional investment manager filing this report and the person by
whom it is signed hereby represent that the person signing the report is
authorized to submit it, that all information contained herein is true,
correct and complete, and that it is understood that all required items,
statements, schedules, lists, and tables, are considered integral parts of
this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Eileen C. Farrar
-------------------------------
Title: Benefit Finance Committee
-------------------------------
Phone: 207-770-4456
-------------------------------
Signature, Place, and Date of Signing:
/s/ Eileen C. Farrar Portland, ME May 12, 1999
- ------------------------------- ----------------- -------------
[Signature] [City, State] [Date]
Report Type (Check only one.):
/X/ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting
manager are reported in this report.)
/ / 13F NOTICE. (Check here if no holdings reported are in this report,
and all holdings are reported by other reporting manager(s).)
/ / 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
<PAGE>
FORM 13-F
PLEASE BE ADVISED THAT UNUM CORPORATION IS FILING FORM 13-F ON BEHALF OF THIS
INSTITUTIONAL MANAGER.
