ACKNOWLEDGMENT AND AGREEMENT TO TENDER UNITS OF LIMITED PARTNERSHIP IN UNITED INVESTORS INCOME PROPERTIES (THE "PARTNERSHIP") PURSUANT TO AN OFFER TO PURCHASE DATED MAY 9, 2003 (THE "OFFER DATE") BY AIMCO PROPERTIES, L.P. FOR INFORMATION OR ASSISTANCE...Acknowledgment and Agreement to Tender Units of Limited Partnership • May 9th, 2003 • Aimco Properties Lp • Operators of apartment buildings
