TABLE B-7 COLLECTIVE INVESTMENT FUNDS 15 LARGEST MUNICIPAL BOND FUNDS BY ASSET SIZE DECEMBER 31, 1997 FUND TOTAL ASSETS TOTAL SEQ NAME OF INSTITUTION FUND NAME CLASSIFICATION (THOUS. OF $) ACCOUNT 1 Mellon Bank, National Association DF PA TAX EXEMPT MONEY MARKET FUND 01 PERSONAL TRUST 847,409 4,353 PITTSBURGH, PA 2 Wells Fargo Bank, National Associati INTERMEDIATE TAX EXEMPT BOND FUND 01 PERSONAL TRUST 699,438 4,244 SAN FRANCISCO, CA 3 Wells Fargo Bank, National Associati CALIFORNIA TAX EXEMPT TOTAL RETURN BOND FUN 01 PERSONAL TRUST 683,057 3,666 SAN FRANCISCO, CA 4 PNC Bank, National Association PA TAX-FREE INCOME 01 PERSONAL TRUST 678,619 3,708 PITTSBURGH, PA 5 SunTrust Bank, Atlanta SUNTRUST GEORGIA TAX FREE FUND 01 PERSONAL TRUST 646,414 1,686 ATLANTA, GA 6 Texas Commerce Bank National Associa LIMITED TERM TAX EXEMPT TRUST 01 PERSONAL TRUST 541,801 2,037 HOUSTON, TX 7 Corestates Bank, National Associatio CS PA TAX EXEMPT TRUST 01 PERSONAL TRUST 512,805 2,187 PHILADELPHIA, PA 8 Boatmen's Trust Company of St. Louis TAX-EXEMPT BOND FUND 01 PERSONAL TRUST 463,254 1,868 ST. LOUIS, MO 9 The Northern Trust Company INTERMEDIATE TAX-EXEMPT BOND 01 PERSONAL TRUST 425,537 1,493 CHICAGO, IL 10 Bankers Trust Company TAX FREE INCOME FUND 01 PERSONAL TRUST 417,050 1,246 NEW YORK CITY, NY 11 United States Trust Company of New Y INTERMEDIATE - TERM TAX EXEMPT 01 PERSONAL TRUST 397,992 1,550 NEW YORK CITY, NY 12 Bessemer Trust Company FUND C MUNICIPAL BOND 01 PERSONAL TRUST 393,269 925 WOODBRIDGE, NJ 13 Boston Safe Deposit and Trust Compan THE TAX EXEMPT BOND FUND 01 PERSONAL TRUST 390,734 1,005 BOSTON, MA 14 The Northern Trust Company TAX-EXEMPT BOND 01 PERSONAL TRUST 384,647 1,486 CHICAGO, IL 15 Firstar Trust Company TAX EXEMPT BOND FUND 01 PERSONAL TRUST 382,990 1,919 MILWAUKEE, WI