<PAGE>
EXHIBIT 99
WINTHROP PARTNERS 80 LIMITED PARTNERSHIP
FORM 10-QSB JUNE 30, 2000
SUPPLEMENTARY INFORMATION REQUIRED PURSUANT TO SECTION 9.4 OF THE PARTNERSHIP
AGREEMENT
1. Statement of Cash Available for Distribution for the three months ended
June 30, 2000:
Net income $ 1,111,000
Add: Depreciation and amortization charged to income not
affecting cash available for distribution 22,000
Minimum lease payments received, net of interest
income earned, on leases accounted for under the
financing method 55,000
Cash from reserves 34,000
------------
Cash Available for Distribution $ 1,222,000
============
Distributions allocated to General Partners $ 43,000
============
Distributions allocated to Limited Partners $ 1,179,000
============
2. Fees and other compensation paid or accrued by the Partnership to the General
Partners, or their affiliates, during the three months ended June 30, 2000:
Entity Receiving Form of
Compensation Compensation Amount
------------ ------------ ------
Winthrop
Management LLC Property Management Fees $ 4,000
General Partners Interest in Cash Available for Distribution $43,000
WFC Realty Co., Inc.
(Initial Limited Partner) Interest in Cash Available for Distribution $ 5,000
13 of 13