<PAGE>
NUVEEN NATIONAL NUVEEN
INSURED UNIT TRUST 345 942
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
RATED: "AAA" NUVEEN TAX-FREE UNIT TRUSTS:
All bonds in this Unit Trust are insured by MBIA For the tax-sensitive, conservative investor.
Insurance Corporation. As a result, the bonds are - Tax-Free
rated Aaa by Moody's Investors Service, Inc. - Dependable Income
and/or AAA by Standard & Poor's, the highest - Diversified Portfolios
rating given by each agency. - Top-Rated Municipal Bonds
ESTIMATED CURRENT RETURN: DATE OF DEPOSIT: May 23, 1997
5.18 - 5.39%
ESTIMATED LONG-TERM RETURN:
5.25 - 5.52%
</TABLE>
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FDIC OR
ANY OTHER FEDERAL AGENCY AND INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE
LOSS OF PRINCIPAL.
- --------------------------------------------------------------------------------
QUICK FACTS ABOUT THIS UNIT TRUST
<TABLE>
<S> <C>
Tax Status Income is exempt from federal income tax but may
be subject to state and local tax. Capital gains
are taxable.
Total Principal $7,500,000 in 75,000 units
Average Life 26.9 years
Call Protection Earliest ordinary optional call is 2005
Minimum $5,000 or 50 units, whichever is lower
Investment
Offering Price $100.95 to $97.96 depending on the purchase amount
Cusip 6710A5 766 monthly payment plan
Numbers 6710A5 774 quarterly payment plan
6710A5 782 semi-annual payment plan
Insurance Individual bonds (not units) are fully insured by
MBIA Insurance Corporation, which guarantees
timely payment of interest and principal.
Registration Registered in all states
</TABLE>
<TABLE>
<S> <C>
Payment Investors may choose to receive monthly, quarterly
Plans or semi-annual interest payments.
Bond Calls Most municipal bonds are subject to optional bond
calls. Bonds are usually called at a premium price
and generally not below par value.
Sales Charge The sales charge is a one-time expense included in
the Public Offering Price.
Letter Investors may use a Letter of Intent to get
of Intent reduced sales charges on purchases made over a
(LOI) 13-month period (and to take advantage of dollar
cost averaging). Minimum LOI investment $50,000.
Redemptions Units can be redeemed on any business day at no
charge. Units are redeemed at their current market
value.
Reinvestment Interest income and returned principal can be
reinvested with no sales charge into Nuveen tax-
free mutual or money market funds. For more
information obtain a prospectus.
</TABLE>
- --------------------------------------------------------------------------------
PORTFOLIO INCOME DIVERSIFICATION
<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C>
Illinois 24.5 % Nevada 10.4 % New York 7.2 %
Oklahoma 10.5 Texas 10.3 Utah 19.2
Wisconsin 17.9
</TABLE>
<TABLE>
<S> <C>
MATURITY DATES (Description of Chart)
2017-19 20.0%
2020-22 10.0%
2023-25 20.0%
2026+ 50.0%
</TABLE>
<PAGE>
<TABLE>
<S> <C>
The earliest ordinary optional call date is 2005
YIELD COMPARISON AS OF 05/22/97*
(Description of Yield Comparison Chart)
Nuveen UIT
Yield 5.18%
Tax Equivalent Yield 8.09%
Treasury Bonds
Yield 6.96%
Tax Equivalent Yield 7.33%
Corporate Bonds
Yield 7.78%
</TABLE>
*COMPARES TRUST AS OF 05/22/97 WITH 30-YEAR TREASURY BONDS AND LEHMAN BROTHERS
INVESTMENT GRADE LONG CORPORATE BOND INDEX AS OF 05/21/97. ASSUMES 36.0%
FEDERAL AND 5.0% STATE INCOME TAX RATES. TREASURY BONDS ARE SUBJECT TO FEDERAL
BUT NOT STATE INCOME TAXES; CORPORATE BONDS ARE GENERALLY SUBJECT TO BOTH.
TREASURY BONDS, UNLIKE MUNICIPAL BONDS, ARE GUARANTEED BY THE U.S. GOVERNMENT.
CALL 1.800.257.8787 FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION
INCLUDING CHARGES AND EXPENSES.
READ THE PROSPECTUS CAREFULLY BEFORE INVESTING.
<PAGE>
- --------------------------------------------------------------------------------
BONDS THIS NATIONAL INSURED UNIT TRUST CONTAINS
<TABLE>
<CAPTION>
RATINGS
PRINCIPAL EARLIEST CALL ----------
AMOUNT BOND ISSUE DATE AND PRICE S&P MOODY'S
<C> <S> <C> <C><C>
----------------------------------------------------------------------------------------------------------------
$ 250,000 Center Unified School District, Sacramento County, California, Election of AAA Aaa
1992 General Obligation Bonds, Series 1997C, 0.00% Due 9/1/17. (Original
issue discount bonds delivered on or about March 4, 1997 at a price of
31.296% of principal amount.) No Optional
Call
750,000 Illinois Educational Facilities Authority, Revenue Bonds, Illinois Wesleyan AAA Aaa
University, Series 1997, 5.65% Due 9/1/26. 2007 at 102
1,000,000 Illinois Health Facilities Authority Revenue Bonds, Series 1997A (Highland AAA Aaa
Park Hospital Project), 5.75% Due 10/1/26. 2007 at 102
750,000 Airport Authority of Washoe County, Reno, Nevada, Airport Revenue Bonds, AAA Aaa
Series 1996A, 5.70% Due 7/1/26. 2006 at 102
500,000 New York City (New York), Municipal Water Finance Authority, Water and AAA Aaa
Sewer System Revenue Bonds, Fiscal 1996 Series B, 5.875% Due 6/15/26.
(Original issue discount bonds delivered on or about May 16, 1996 at a
price of 93.908% of principal amount.) 2006 at 101
750,000 Tulsa Metropolitan Utility Authority (Tulsa, Oklahoma), Utility Revenue AAA Aaa
Bonds, Series 1995, 5.75% Due 9/1/25. 2005 at 102
750,000 City of Austin, Texas, Combined Utility Systems Revenue Refunding Bonds, AAA Aaa
Series 1996B, 5.625% Due 11/15/25. 2006 at 100
750,000 Intermountain Power Agency (Utah), Power Supply Revenue Refunding Bonds, AAA Aaa
1997 Series B, 5.75% Due 7/1/19. 2007 at 102
750,000 Murray City, Utah, Hospital Revenue Bonds, Series 1996 (IHC Health AAA Aaa
Services, Inc.), 4.75% Due 5/15/20. (Original issue discount bonds
delivered on or about March 12, 1996 at a price of 91.527% of principal
amount.) 2006 at 100
500,000 Wisconsin Health and Educational Facilities Authority, Revenue Bonds, AAA Aaa
Series 1996 (Meriter Hospital, Inc.), 6.00% Due 12/1/17. 2006 at 102
750,000 Southeast Wisconsin Professional Baseball Park District, Sales Tax Revenue AAA Aaa
Bonds, Series 1996, 5.80% Due 12/15/26. 2007 at 101
----------------------------------------------------------------------------------------------------------------
$ 7,500,000 TOTAL 11 BONDS FROM 8 STATES.
</TABLE>
- --------------------------------------------------------------------------------
HOW TO DETERMINE YOUR INCOME AND YIELD
HOW TO CALCULATE YOUR RETURN
<TABLE>
<S> <C>
The estimated current return is the net income the sales charge, and returns are as of 05/22/97.
divided by the offering price. Estimated long-term As of this date, Units are offered at the public
return is a measure of the return to the investor offering price plus accrued interest to the
expected to be earned over the estimated life of settlement date of $.09. Returns and prices will
the Unit Trust. The public offering prices, which fluctuate.
include
</TABLE>
<TABLE>
<CAPTION>
Public Estimated Return (CURRENT/Long Term)
Breakpoints Offering Sales -------------------------------------------------
Units / Dollars Price Charge Monthly Plan Quarterly Plan Semi-Annual Plan
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
50 / $5,000 $ 100.95 4.90 % 5.18% 5.25% 5.22% 5.28% 5.23% 5.30 %
500 / $50,000 100.79 4.75 5.19 5.26 5.22 5.29 5.24 5.31
1,000 / $100,000 100.52 4.50 5.21 5.28 5.24 5.31 5.26 5.33
2,500 / $250,000 100.26 4.25 5.22 5.30 5.25 5.33 5.27 5.35
5,000 / $500,000 99.48 3.50 5.26 5.36 5.29 5.39 5.31 5.41
10,000 / $1,000,000 98.97 3.00 5.29 5.39 5.32 5.42 5.34 5.44
25,000 / $2,500,000 98.46 2.50 5.31 5.43 5.35 5.46 5.37 5.48
50,000 / $5,000,000 97.96 2.00 5.34 5.47 5.37 5.50 5.39 5.52
</TABLE>
HOW TO DETERMINE YOUR
TAXABLE EQUIVALENT YIELD
The table shows the approximate yield an investor must get from a taxable
investment to match the estimated current return from this Unit Trust.
<TABLE>
<CAPTION>
Taxable Equivalent Yield (by
UNIT TRUST tax bracket)
RETURN 28.0% 31.0% 36.0% 39.6%
<C> <S> <C> <C> <C> <C>
5.18 % 7.19% 7.51% 8.09% 8.58%
5.19 7.21 7.52 8.11 8.59
5.21 7.24 7.55 8.14 8.63
5.22 7.25 7.57 8.16 8.64
5.26 7.31 7.62 8.22 8.71
5.29 7.35 7.67 8.27 8.76
5.31 7.38 7.70 8.30 8.79
5.34 7.42 7.74 8.34 8.84
</TABLE>
JOHN NUVEEN & CO. INCORPORATED
333 WEST WACKER DRIVE, CHICAGO, IL 60606
HOW TO CALCULATE YOUR INCOME
The table shows expected interest payments for monthly, quarterly and
semi-annual plans. Payments will remain relatively constant as long as the Unit
Trust's size, composition and expenses remain the same. The first record date is
07/01/97.
<TABLE>
<CAPTION>
Annual
First Payment Payment Income
Payment Plan Date (per unit) (per unit)
<S> <C> <C> <C> <C>
Initial payment
(all plans) 7/15/97 $ .5521
Monthly plan 8/15/97 .4359 $ 5.2327
Quarterly plan 8/15/97 .4386
11/15/97 1.3158 5.2647
Semi-annual plan 11/15/97 1.7604
5/15/98 2.6406 5.2837
EXAMPLE OF HOW TO CALCULATE YOUR ESTIMATED INCOME:
$10,000 DIVIDED BY 101.04 = 98.970
investment offering price # of units
(as of and accrued purchased
05/22/97) interest
98.970 X $5.2327 = $517.88
# of units annual income annual income
purchased per unit
(monthly plan)
</TABLE>
<PAGE>
NUVEEN FLORIDA NUVEEN
INSURED UNIT TRUST 244 942
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
RATED: "AAA" NUVEEN TAX-FREE UNIT TRUSTS:
All bonds in this Unit Trust are insured by MBIA For the tax-sensitive, conservative investor.
Insurance Corporation. As a result, the bonds are - Tax-Free
rated Aaa by Moody's Investors Service, Inc. - Dependable Income
and/or AAA by Standard & Poor's, the highest - Diversified Portfolios
rating given by each agency. - Top-Rated Municipal Bonds
ESTIMATED CURRENT RETURN: DATE OF DEPOSIT: May 23, 1997
5.03 - 5.23%
ESTIMATED LONG-TERM RETURN:
5.10 - 5.36%
</TABLE>
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FDIC OR
ANY OTHER FEDERAL AGENCY AND INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE
LOSS OF PRINCIPAL.
- --------------------------------------------------------------------------------
QUICK FACTS ABOUT THIS UNIT TRUST
<TABLE>
<S> <C>
Tax Status Income is exempt from federal income tax. Capital
gains are taxable.
Total Principal $3,500,000 in 35,000 units
Average Life 28.1 years
Call Protection Earliest ordinary optional call is 2006
Minimum $5,000 or 50 units, whichever is lower
Investment
Offering Price $99.76 to $96.81 depending on the purchase amount
Cusip 6706H6 344 monthly payment plan
Numbers 6706H6 351 quarterly payment plan
6706H6 369 semi-annual payment plan
Insurance Individual bonds (not units) are fully insured by
MBIA Insurance Corporation, which guarantees
timely payment of interest and principal.
Registration Registered in Florida
</TABLE>
<TABLE>
<S> <C>
Payment Investors may choose to receive monthly, quarterly
Plans or semi-annual interest payments.
Bond Calls Most municipal bonds are subject to optional bond
calls. Bonds are usually called at a premium price
and generally not below par value.
Sales Charge The sales charge is a one-time expense included in
the Public Offering Price.
Letter Investors may use a Letter of Intent to get
of Intent reduced sales charges on purchases made over a
(LOI) 13-month period (and to take advantage of dollar
cost averaging). Minimum LOI investment $50,000.
Redemptions Units can be redeemed on any business day at no
charge. Units are redeemed at their current market
value.
Reinvestment Interest income and returned principal can be
reinvested with no sales charge into Nuveen tax-
free mutual or money market funds. For more
information obtain a prospectus.
</TABLE>
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
MATURITY DATES (Description of Chart)
2019-20 2.9%
2021-22 54.2%
2023-24 0.0%
2025-26 14.3%
2027+ 28.6%
The earliest ordinary optional call date is 2006
YIELD COMPARISON AS OF 05/22/97*
(Description of Yield Comparison Chart)
Nuveen UIT
Yield 5.03%
Tax Equivalent Yield 7.86%
Treasury Bonds
Yield 6.96%
Tax Equivalent Yield
Corporate Bonds
Yield 7.78%
</TABLE>
<PAGE>
*COMPARES TRUST AS OF 05/22/97 WITH 30-YEAR TREASURY BONDS AND LEHMAN BROTHERS
INVESTMENT GRADE LONG CORPORATE BOND INDEX AS OF 05/21/97. ASSUMES 36.0%
FEDERAL INCOME TAX RATE. TREASURY BONDS ARE SUBJECT TO FEDERAL BUT NOT STATE
INCOME TAXES; CORPORATE BONDS ARE GENERALLY SUBJECT TO BOTH. TREASURY BONDS,
UNLIKE MUNICIPAL BONDS, ARE GUARANTEED BY THE U.S. GOVERNMENT.
CALL 1.800.257.8787 FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION
INCLUDING CHARGES AND EXPENSES.
READ THE PROSPECTUS CAREFULLY BEFORE INVESTING.
<PAGE>
- --------------------------------------------------------------------------------
BONDS THIS FLORIDA INSURED UNIT TRUST CONTAINS
<TABLE>
<CAPTION>
RATINGS
PRINCIPAL EARLIEST CALL ----------
AMOUNT BOND ISSUE DATE AND PRICE S&P MOODY'S
<C> <S> <C> <C><C>
----------------------------------------------------------------------------------------------------------------
$ 500,000 Dade County, Florida, Seaport Revenue Bonds, Series 1996, 5.40% Due 2006 at 102 AAA Aaa
10/1/21.
500,000 Dade County, Florida, Water and Sewer System Revenue Bonds, Series 1997, 2007 at 101 AAA Aaa
5.25% Due 10/1/21. (Original issue discount bonds delivered on or about
January 30, 1997 at a price of 94.322% of principal amount.)
400,000 City of Gainesville, Florida, Utilities System Revenue Bonds, 1996 Series 2006 at 102 AAA Aaa
A, 5.20% Due 10/1/22.
500,000 City of Lakeland, Florida, Electric and Water Revenue Bonds, Series 1996, 2006 at 102 AAA Aaa
5.625% Due 10/1/36.
500,000 City of Lakeland, Florida, Hospital Revenue Refunding Bonds (Lakeland 2006 at 102 AAA Aaa
Regional Medical Center Project), Series 1996, 5.25% Due 11/15/25.
500,000 School Board of Orange County, Florida, Master Lease Program, Certificates 2007 at 101 AAA Aaa
of Participation, Series 1997A, 5.375% Due 8/1/22. (Original issue discount
bonds delivered on or about May 22, 1997 at a price of 94.626% of principal
amount.)
500,000 City of Pensacola, Florida, Airport Revenue Bonds, Series 1997A, 5.75% Due 2007 at 102 AAA Aaa
10/1/27.
100,000 City of Tampa, Florida, Utilities Tax Improvement Bonds, Series 1996, 0.00% No Optional AAA Aaa
Due 4/1/20. (Original issue discount bonds delivered on or about July 2, Call
1996 at a price of 23.566% of principal amount.)
----------------------------------------------------------------------------------------------------------------
$ 3,500,000 TOTAL 8 BONDS FROM FLORIDA.
</TABLE>
- --------------------------------------------------------------------------------
HOW TO DETERMINE YOUR INCOME AND YIELD
HOW TO CALCULATE YOUR RETURN
<TABLE>
<S> <C>
The estimated current return is the net income the sales charge, and returns are as of 05/22/97.
divided by the offering price. Estimated long-term As of this date, Units are offered at the public
return is a measure of the return to the investor offering price plus accrued interest to the
expected to be earned over the estimated life of settlement date of $.08. Returns and prices will
the Unit Trust. The public offering prices, which fluctuate.
include
</TABLE>
<TABLE>
<CAPTION>
Public Estimated Return (CURRENT/Long Term)
Breakpoints Offering Sales -------------------------------------------------
Units / Dollars Price Charge Monthly Plan Quarterly Plan Semi-Annual Plan
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
50 / $5,000 $ 99.76 4.90 % 5.03% 5.10% 5.06% 5.13% 5.08% 5.15 %
500 / $50,000 99.60 4.75 5.04 5.11 5.07 5.14 5.09 5.16
1,000 / $100,000 99.34 4.50 5.05 5.13 5.08 5.16 5.10 5.18
2,500 / $250,000 99.08 4.25 5.06 5.15 5.09 5.18 5.11 5.20
5,000 / $500,000 98.31 3.50 5.10 5.20 5.13 5.23 5.15 5.25
10,000 / $1,000,000 97.80 3.00 5.13 5.24 5.16 5.27 5.18 5.29
25,000 / $2,500,000 97.30 2.50 5.15 5.27 5.19 5.30 5.21 5.32
50,000 / $5,000,000 96.81 2.00 5.18 5.31 5.21 5.34 5.23 5.36
</TABLE>
HOW TO DETERMINE YOUR
TAXABLE EQUIVALENT YIELD
The table shows the approximate yield an investor must get from a taxable
investment to match the estimated current return from this Unit Trust.
<TABLE>
<CAPTION>
Taxable Equivalent Yield (by tax
UNIT TRUST bracket)
RETURN 28.0% 31.0% 36.0% 39.6%
<C> <S> <C> <C> <C> <C>
5.03 % 6.99% 7.29% 7.86% 8.33 %
5.04 7.00 7.30 7.88 8.34
5.05 7.01 7.32 7.89 8.36
5.06 7.03 7.33 7.91 8.38
5.10 7.08 7.39 7.97 8.44
5.13 7.13 7.43 8.02 8.49
5.15 7.15 7.46 8.05 8.53
5.18 7.19 7.51 8.09 8.58
</TABLE>
JOHN NUVEEN & CO. INCORPORATED
333 WEST WACKER DRIVE, CHICAGO, IL 60606
HOW TO CALCULATE YOUR INCOME
The table shows expected interest payments for monthly, quarterly and
semi-annual plans. Payments will remain relatively constant as long as the Unit
Trust's size, composition and expenses remain the same. The first record date is
07/01/97.
<TABLE>
<CAPTION>
Annual
First Payment Payment Income
Payment Plan Date (per unit) (per unit)
<S> <C> <C> <C> <C>
Initial payment
(all plans) 7/15/97 $ .5293
Monthly plan 8/15/97 .4179 $ 5.0157
Quarterly plan 8/15/97 .4206
11/15/97 1.2618 5.0477
Semi-annual plan 11/15/97 1.6884
5/15/98 2.5326 5.0667
EXAMPLE OF HOW TO CALCULATE YOUR ESTIMATED INCOME:
$10,000 DIVIDED BY 99.84 = 100.160
investment offering price # of units
(as of and accrued purchased
05/22/97) interest
100.160 X $5.0157 = $502.37
# of units annual income annual income
purchased per unit
(monthly plan)
</TABLE>
<PAGE>
NUVEEN PENNSYLVANIA NUVEEN
INSURED UNIT TRUST 225 942
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
RATED: "AAA" NUVEEN TAX-FREE UNIT TRUSTS:
All bonds in this Unit Trust are insured by MBIA For the tax-sensitive, conservative investor.
Insurance Corporation. As a result, the bonds are - Double Tax-Free
rated Aaa by Moody's Investors Service, Inc. - Dependable Income
and/or AAA by Standard & Poor's, the highest - Diversified Portfolios
rating given by each agency. - Top-Rated Municipal Bonds
ESTIMATED CURRENT RETURN: DATE OF DEPOSIT: May 23, 1997
5.12 - 5.33%
ESTIMATED LONG-TERM RETURN:
5.16 - 5.42%
</TABLE>
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FDIC OR
ANY OTHER FEDERAL AGENCY AND INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE
LOSS OF PRINCIPAL.
- --------------------------------------------------------------------------------
QUICK FACTS ABOUT THIS UNIT TRUST
<TABLE>
<S> <C>
Tax Status Income is exempt from federal and state income
taxes. Capital gains are taxable.
Total Principal $3,500,000 in 35,000 units
Average Life 27.0 years
Call Protection Earliest ordinary optional call is 2005
Minimum $5,000 or 50 units, whichever is lower
Investment
Offering Price $100.71 to $97.73 depending on the purchase amount
Cusip 6706H7 193 monthly payment plan
Numbers 6706H7 201 quarterly payment plan
6706H7 219 semi-annual payment plan
Insurance Individual bonds (not units) are fully insured by
MBIA Insurance Corporation, which guarantees
timely payment of interest and principal.
Registration Registered in Pennsylvania
</TABLE>
<TABLE>
<S> <C>
Payment Investors may choose to receive monthly, quarterly
Plans or semi-annual interest payments.
Bond Calls Most municipal bonds are subject to optional bond
calls. Bonds are usually called at a premium price
and generally not below par value.
Sales Charge The sales charge is a one-time expense included in
the Public Offering Price.
Letter Investors may use a Letter of Intent to get
of Intent reduced sales charges on purchases made over a
(LOI) 13-month period (and to take advantage of dollar
cost averaging). Minimum LOI investment $50,000.
Redemptions Units can be redeemed on any business day at no
charge. Units are redeemed at their current market
value.
Reinvestment Interest income and returned principal can be
reinvested with no sales charge into Nuveen tax-
free mutual or money market funds. For more
information obtain a prospectus.
</TABLE>
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
MATURITY DATES (Description of Chart)
2015-17 10.7%
2018-20 0.0%
2021-23 17.9%
2024-26 57.1%
2027+ 14.3%
The earliest ordinary optional call date is 2005
YIELD COMPARISON AS OF 05/22/97*
(Description of Yield Comparison Chart)
Nuveen UIT
Yield 5.12%
Tax Equivalent Yield 8.26%
Treasury Bonds
Yield 6.96%
Tax Equivalent Yield 7.16%
Corporate Bonds
Yield 7.78%
</TABLE>
<PAGE>
*COMPARES TRUST AS OF 05/22/97 WITH 30-YEAR TREASURY BONDS AND LEHMAN BROTHERS
INVESTMENT GRADE LONG CORPORATE BOND INDEX AS OF 05/21/97. ASSUMES 38.0%
FEDERAL AND STATE INCOME TAX RATE AND A 2.8% STATE INCOME TAX RATE. TREASURY
BONDS ARE SUBJECT TO FEDERAL BUT NOT STATE INCOME TAXES; CORPORATE BONDS ARE
GENERALLY SUBJECT TO BOTH. TREASURY BONDS, UNLIKE MUNICIPAL BONDS, ARE
GUARANTEED BY THE U.S. GOVERNMENT.
CALL 1.800.257.8787 FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION
INCLUDING CHARGES AND EXPENSES.
READ THE PROSPECTUS CAREFULLY BEFORE INVESTING.
<PAGE>
- --------------------------------------------------------------------------------
BONDS THIS PENNSYLVANIA INSURED UNIT TRUST CONTAINS
<TABLE>
<CAPTION>
RATINGS
PRINCIPAL EARLIEST CALL ----------
AMOUNT BOND ISSUE DATE AND PRICE S&P MOODY'S
<C> <S> <C> <C><C>
----------------------------------------------------------------------------------------------------------------
$ 500,000 Pennsylvania Higher Educational Facilities Authority (Commonwealth of Penn- 2006 at 100 AAA Aaa
sylvania), Revenue Bonds, State System of Higher Education, Series N,
5.875% Due 6/15/21.
500,000 Pennsylvania Higher Educational Facilities Authority (Commonwealth of Penn- 2007 at 102 AAA Aaa
sylvania), Bryn Mawr College Revenue Bonds, Series of 1997, 5.625% Due
12/1/27.
375,000 Pennsylvania Intergovernmental Cooperation Authority, Special Tax Revenue 2006 at 100 AAA Aaa
Refunding Bonds (City of Philadelphia Funding Program), Series of 1996,
5.50% Due 6/15/16.
500,000 Allegheny County Hospital Development Authority (Pennsylvania), Health 2005 at 102 AAA Aaa
Center Revenue Bonds, Series of 1995 (University of Pittsburgh Medical
Center System), 5.375% Due 12/1/25.
125,000 Dauphin County General Authority, Dauphin County, Pennsylvania, County No Optional AAA Aaa
Guaranteed Revenue Bonds-Series of 1993, 0.00% Due 10/1/22. (Original issue Call
discount bonds delivered on or about May 26, 1993 at a price of 16.903% of
principal amount.)(General Obligation Bonds.)
500,000 Lehigh County (Pennsylvania), General Purpose Authority, Hospital Revenue 2005 at 102 AAA Aaa
Bonds (Lehigh Valley Hospital), Series B of 1995, 5.625% Due 7/1/25.
500,000 Luzerne County Flood Protection Authority (Pennsylvania), Guaranteed Flood 2006 at 100 AAA Aaa
Protection Bonds, Series of 1996, 5.65% Due 7/15/26. (General Obligation
Bonds.)
500,000 The School District of Philadelphia, Pennsylvania, General Obligation 2005 at 101 AAA Aaa
Bonds, Series B of 1995, 5.50% Due 9/1/25. (Original issue discount bonds
delivered on or about October 31, 1995 at a price of 93.743% of principal
amount.)
----------------------------------------------------------------------------------------------------------------
$ 3,500,000 TOTAL 8 BONDS FROM PENNSYLVANIA.
</TABLE>
- --------------------------------------------------------------------------------
HOW TO DETERMINE YOUR INCOME AND YIELD
HOW TO CALCULATE YOUR RETURN
<TABLE>
<S> <C>
The estimated current return is the net income the sales charge, and returns are as of 05/22/97.
divided by the offering price. Estimated long-term As of this date, Units are offered at the public
return is a measure of the return to the investor offering price plus accrued interest to the
expected to be earned over the estimated life of settlement date of $.09. Returns and prices will
the Unit Trust. The public offering prices, which fluctuate.
include
</TABLE>
<TABLE>
<CAPTION>
Public Estimated Return (CURRENT/Long Term)
Breakpoints Offering Sales -------------------------------------------------
Units / Dollars Price Charge Monthly Plan Quarterly Plan Semi-Annual Plan
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
50 / $5,000 $ 100.71 4.90 % 5.12% 5.16% 5.15% 5.18% 5.17% 5.21 %
500 / $50,000 100.56 4.75 5.12 5.16 5.16 5.19 5.18 5.21
1,000 / $100,000 100.29 4.50 5.14 5.18 5.17 5.21 5.19 5.23
2,500 / $250,000 100.03 4.25 5.15 5.20 5.18 5.23 5.20 5.25
5,000 / $500,000 99.25 3.50 5.19 5.26 5.22 5.29 5.24 5.31
10,000 / $1,000,000 98.74 3.00 5.22 5.30 5.25 5.32 5.27 5.34
25,000 / $2,500,000 98.24 2.50 5.25 5.33 5.28 5.36 5.30 5.38
50,000 / $5,000,000 97.73 2.00 5.27 5.37 5.31 5.40 5.33 5.42
</TABLE>
HOW TO DETERMINE YOUR
TAXABLE EQUIVALENT YIELD
The table shows the approximate yield an investor must get from a taxable
investment to match the estimated current return from this Unit Trust.
<TABLE>
<CAPTION>
Taxable Equivalent Yield (by tax
UNIT TRUST bracket)
RETURN 30.0% 33.0% 38.0% 41.5%
<C> <S> <C> <C> <C> <C>
5.12 % 7.31% 7.64% 8.26% 8.75 %
5.12 7.31 7.64 8.26 8.75
5.14 7.34 7.67 8.29 8.79
5.15 7.36 7.69 8.31 8.80
5.19 7.41 7.75 8.37 8.87
5.22 7.46 7.79 8.42 8.92
5.25 7.50 7.84 8.47 8.97
5.27 7.53 7.87 8.50 9.01
</TABLE>
JOHN NUVEEN & CO. INCORPORATED
333 WEST WACKER DRIVE, CHICAGO, IL 60606
HOW TO CALCULATE YOUR INCOME
The table shows expected interest payments for monthly, quarterly and
semi-annual plans. Payments will remain relatively constant as long as the Unit
Trust's size, composition and expenses remain the same. The first record date is
07/01/97.
<TABLE>
<CAPTION>
Annual
First Payment Payment Income
Payment Plan Date (per unit) (per unit)
<S> <C> <C> <C> <C>
Initial payment
(all plans) 7/15/97 $ .5437
Monthly plan 8/15/97 .4293 $ 5.1533
Quarterly plan 8/15/97 .4320
11/15/97 1.2960 5.1853
Semi-annual plan 11/15/97 1.7340
5/15/98 2.6010 5.2043
EXAMPLE OF HOW TO CALCULATE YOUR ESTIMATED INCOME:
$10,000 DIVIDED BY 100.80 = 99.206
investment offering price # of units
(as of and accrued purchased
05/22/97) interest
99.206 X $5.1533 = $511.24
# of units annual income annual income
purchased per unit
(monthly plan)
</TABLE>
