<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, 2000
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: Reliance Insurance Company
Address: 55 East 52nd Street
New York, NY 10055
Form 13F File Number: 28-160
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: James E. Yacobucci
Title: Senior Vice President-Investments
Phone: 212-909-1100
Signature, Place, and Date of Signing: /s/ James E. Yacobucci
- -------------------------------------- -----------------------
New York, New York
May 15, 2000
Report Type (Check only one.):
[x] 13F NOTICE. (Check here if no holdings reported are in this report, and all
holdings are reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
Form 13F File Number Name
- -------------------- ----
28-161 Reliance Financial Services Corporation
