<PAGE>
NUVEEN
NUVEEN NATIONAL
INSURED UNIT TRUST 324 880
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
RATED: "AAA" NUVEEN TAX-FREE UNIT TRUSTS:
ESTIMATED CURRENT RETURN: For the tax-sensitive, conservative investor.
5.33 - 5.54% - Tax-Free
ESTIMATED LONG-TERM RETURN: - Dependable Income
5.40 - 5.68% - Diversified Portfolios
DATE OF DEPOSIT: July 26, 1996 - Top-Rated Municipal Bonds
</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 $10,000,000 in 100,000 units
Average Life 26.7 years
Call Protection Earliest ordinary optional call is 2005
Minimum $5,000 or 50 units, whichever is lower
Investment
Offering Price $99.91 to $96.95 depending on the purchase amount
Cusip 6710A5 139 monthly payment plan
Numbers 6710A5 147 quarterly payment plan
6710A5 154 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>
Connecticut 10.6 % Illinois 15.8 % Indiana 10.1 %
Louisiana 10.1 New Hampshire 1.9 New York 15.7
Pennsylvania 5.3 South Carolina 5.2 Utah 9.0
Wyoming 16.3
</TABLE>
<TABLE>
<S> <C>
MATURITY DATES (Descrtiption of Chart)
2014-16 10.0%
2017-19 0.0%
</TABLE>
<PAGE>
<TABLE>
<S> <C>
2020-22 38.5%
2023-25 29.7%
2026+ 21.8%
The earliest ordinary optional call date is 2005
YIELD COMPARISON AS OF 07/25/96*
(Descrition of Yield Comparison Chart)
Nuveen UIT
Pre-Tax 8.33%
Tax Equivalent Yield 5.33%
Treasury Bonds
Pre-Tax 7.39%
Tax Equivalent Yield 7.02%
Corporate Bonds
Yield 7.79%
</TABLE>
*COMPARES TRUST WITH 30-YEAR TREASURY BONDS AND LEHMAN BROTHERS INVESTMENT
GRADE LONG CORPORATE BOND INDEX. 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. THE LEHMAN BROTHERS
INVESTMENT GRADE LONG CORPORATE BOND INDEX IS CALCULATED AS OF 6/30/96.
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>
----------------------------------------------------------------------------------------------------------------
$ 1,000,000 State of Connecticut, Health and Educational Facilities Authority, Revenue AAA Aaa
Bonds, Trinity College Issue, Series E, 5.875% Due 7/1/26. 2006 at 102
1,500,000 The County of Cook, Illinois, General Obligation Capital Improvement Bonds, AAA Aaa
Series 1996, 5.875% Due 11/15/22. (When issued.) 2006 at 101
1,000,000 Indiana Health Facility Financing Authority, Hospital Revenue Refunding and AAA Aaa
Improvement Bonds, Series 1995 (Community Hospitals Projects), 5.60% Due
5/15/14. 2006 at 102
1,000,000 Ernest N. Morial-New Orleans (Louisiana), Exhibition Hall Authority, AAA Aaa
Special Tax Bonds, Series 1996-C, 5.60% Due 7/15/25. 2006 at 101
180,000 New Hampshire Higher Educational and Health Facilities Authority, Hospital AAA Aaa
Revenue Bonds, Concord Hospital Issue, Series 1996, 6.00% Due 10/1/26.
(When issued.) 2006 at 102
470,000 New York State Medical Care Facilities Finance Agency, Mental Health AAA Aaa
Services Facilities Improvement Revenue Bonds, 1995 Series A, 6.00% Due
2/15/25. (General Obligation Bonds.) 2005 at 102
1,000,000 New York City, New York, Municipal Water Finance Authority, Water and Sewer AAA Aaa
System Revenue Bonds, Fiscal 1996 Series A, 5.875% Due 6/15/25. 2005 at 101
500,000 Pennsylvania Higher Educational Facilities Authority (Commonwealth of AAA Aaa
Pennsylvania), Revenue Bonds, State System of Higher Education, Series N,
5.875% Due 6/15/21. 2006 at 100
350,000 Municipal Authority of Westmoreland County (Westmoreland County, AAA Aaa
Pennsylvania), Municipal Service Revenue Bonds, Series of 1995A, 0.00% Due
8/15/22. (Original issue discount bonds delivered on or about July 27, 1995
at a price of 19.274% of principal amount.) No Optional
Call
500,000 South Carolina Public Service Authority, Revenue Bonds, 1996 Refunding AAA Aaa
Series A, 5.75% Due 1/1/22. (Original issue discount bonds delivered on or
about April 4, 1996 at a price of 93.751% of principal amount.) 2006 at 102
1,000,000 Intermountain Power Agency (Utah), Power Supply Revenue Refunding Bonds, AAA Aaa
1996 Series D, 5.00% Due 7/1/21. (Original issue discount bonds delivered
on or about February 27, 1996 at a price of 94.504% of principal amount.) 2006 at 102
1,000,000 Sweetwater County, Wyoming, Pollution Control Revenue Refunding Bonds AAA Aaa
(Idaho Power Company Project), Series 1996A, 6.05% Due 7/15/26. (When
issued.) 2006 at 102
500,000 Natrona County, Wyoming, Hospital Revenue Bonds (Wyoming Medical Center AAA Aaa
Project), Series 1995, 6.00% Due 9/15/24. 2006 at 101
----------------------------------------------------------------------------------------------------------------
$10,000,000 TOTAL 13 BONDS FROM 10 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 07/25/96.
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 $.07. 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 $ 99.91 4.90 % 5.33% 5.40% 5.36% 5.44% 5.38% 5.46 %
500 / $50,000 99.75 4.75 5.34 5.41 5.37 5.45 5.39 5.47
1,000 / $100,000 99.49 4.50 5.35 5.43 5.38 5.47 5.40 5.49
2,500 / $250,000 99.23 4.25 5.37 5.45 5.40 5.48 5.42 5.50
5,000 / $500,000 98.46 3.50 5.41 5.51 5.44 5.55 5.46 5.57
10,000 / $1,000,000 97.95 3.00 5.44 5.54 5.47 5.58 5.49 5.60
25,000 / $2,500,000 97.45 2.50 5.46 5.58 5.50 5.62 5.52 5.64
50,000 / $5,000,000 96.95 2.00 5.49 5.62 5.53 5.66 5.54 5.68
</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>
5.33 % 7.40% 7.72% 8.33% 8.82%
5.34 7.42 7.74 8.34 8.84
5.35 7.43 7.75 8.36 8.86
5.37 7.46 7.78 8.39 8.89
5.41 7.51 7.84 8.45 8.96
5.44 7.56 7.88 8.50 9.01
5.46 7.58 7.91 8.53 9.04
5.49 7.63 7.96 8.58 9.09
</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
09/01/96.
<TABLE>
<CAPTION>
Annual
First Payment Payment Income
Payment Plan Date (per unit) (per unit)
<S> <C> <C> <C> <C>
Initial partial
payment (all
plans) 9/15/96 $ .5176
Monthly plan 10/15/96 .4437 $ 5.3246
Quarterly plan 11/15/96 .8922
2/15/97 1.3383 5.3566
Semi-annual plan 11/15/96 .8958
5/15/97 2.6874 5.3756
EXAMPLE OF HOW TO CALCULATE YOUR ESTIMATED INCOME:
$10,000 DIVIDED BY 99.98 = 100.020
investment offering price # of units
(as of and accrued purchased
07/25/96) interest
100.020 X $5.3246 = $532.57
# of units annual income annual income
purchased per unit
(monthly plan)
</TABLE>
<PAGE>
NUVEEN
NUVEEN PENNSYLVANIA
INSURED UNIT TRUST 214 880
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
RATED: "AAA" NUVEEN TAX-FREE UNIT TRUSTS:
ESTIMATED CURRENT RETURN: For the tax-sensitive, conservative investor.
5.28 - 5.49% - Double Tax-Free
ESTIMATED LONG-TERM RETURN: - Dependable Income
5.32 - 5.59% - Diversified Portfolios
DATE OF DEPOSIT: July 26, 1996 - Top-Rated Municipal Bonds
</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 $99.98 to $97.02 depending on the purchase amount
Cusip 6706H8 647 monthly payment plan
Numbers 6706H8 654 quarterly payment plan
6706H8 662 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)
2018-19 14.3%
2020-21 28.5%
2022-23 4.3%
2024-25 24.3%
2026+ 28.6%
The earliest ordinary optional call date is 2005
YIELD COMPARISON AS OF 07/25/96*
(Description of Yield Comparison Chart)
Nuveen UIT
Pre-Tax 8.52%
Tax Equivalent Yield 5.28%
Treasury Bonds
Pre-Tax 7.22%
Tax Equivalent Yield 7.02%
Corporate Bonds
</TABLE>
<PAGE>
<TABLE>
<S> <C>
Yield 7.79%
</TABLE>
*COMPARES TRUST WITH 30-YEAR TREASURY BONDS AND LEHMAN BROTHERS INVESTMENT
GRADE LONG CORPORATE BOND INDEX. 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.
THE LEHMAN BROTHERS INVESTMENT GRADE LONG CORPORATE BOND INDEX IS CALCULATED
AS OF 6/30/96.
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 Allegheny County Hospital Development Authority (Allegheny County, 2006 at 102 AAA Aaa
Pennsylvania), Hospital Revenue Bonds, Series A of 1996 (South Hills Health
System), 5.875% Due 5/1/26.
500,000 Delaware County Authority (Commonwealth of Pennsylvania), Hospital Revenue 2005 at 102 AAA Aaa
Bonds, Series of 1995 (Delaware County Memorial Hospital), 5.50% Due
8/15/19. (Original issue discount bonds delivered on or about July 27, 1995
at a price of 94.645% of principal amount.)
500,000 Erie City School District, Erie County, Pennsylvania, General Obligation 2006 at 100 AAA Aaa
Bonds, Series A of 1996, 5.75% Due 5/1/26.
500,000 Northampton County Industrial Development Authority (Pennsylvania), 2005 at 102 AAA Aaa
Pollution Control Revenue Refunding Bonds, 1995 Series A (Metropolitan
Edison Company Project), 6.10% Due 7/15/21.
150,000 Municipal Authority of Westmoreland County (Westmoreland County, No Optional AAA Aaa
Pennsylvania), Municipal Service Revenue Bonds, Series of 1995A, 0.00% Due Call
8/15/22. (Original issue discount bonds delivered on or about July 27, 1995
at a price of 19.274% of principal amount.)
350,000 Municipal Authority of Westmoreland County (Westmoreland County, 2006 at 100 AAA Aaa
Pennsylvania), Municipal Service Revenue Bonds, Series of 1996, 5.90% Due
2/15/25. (When issued.)
500,000 Commonwealth of Puerto Rico, Public Improvement Bonds of 1996 (General 2006 at 101 AAA Aaa
Obligation Bonds.), 5.40% Due 7/1/25. 1/2
----------------------------------------------------------------------------------------------------------------
$ 3,500,000 TOTAL 8 BONDS
</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 07/25/96.
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 $.07. 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 $ 99.98 4.90 % 5.28% 5.32% 5.31% 5.35% 5.33% 5.37 %
500 / $50,000 99.82 4.75 5.29 5.33 5.32 5.36 5.34 5.38
1,000 / $100,000 99.56 4.50 5.30 5.35 5.33 5.38 5.35 5.40
2,500 / $250,000 99.30 4.25 5.31 5.37 5.35 5.40 5.37 5.42
5,000 / $500,000 98.53 3.50 5.36 5.43 5.39 5.46 5.41 5.48
10,000 / $1,000,000 98.02 3.00 5.38 5.46 5.42 5.49 5.44 5.51
25,000 / $2,500,000 97.52 2.50 5.41 5.50 5.44 5.53 5.46 5.55
50,000 / $5,000,000 97.02 2.00 5.44 5.54 5.47 5.57 5.49 5.59
</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>
5.28 % 7.54% 7.88% 8.52% 9.03 %
5.29 7.56 7.90 8.53 9.04
5.30 7.57 7.91 8.55 9.06
5.31 7.59 7.93 8.56 9.08
5.36 7.66 8.00 8.65 9.16
5.38 7.69 8.03 8.68 9.20
5.41 7.73 8.07 8.73 9.25
5.44 7.77 8.12 8.77 9.30
</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
09/01/96.
<TABLE>
<CAPTION>
Annual
First Payment Payment Income
Payment Plan Date (per unit) (per unit)
<S> <C> <C> <C> <C>
Initial partial
payment (all
plans) 9/15/96 $ .5127
Monthly plan 10/15/96 .4395 $ 5.2771
Quarterly plan 11/15/96 .8844
2/15/97 1.3266 5.3091
Semi-annual plan 11/15/96 .8880
5/15/97 2.6640 5.3281
EXAMPLE OF HOW TO CALCULATE YOUR ESTIMATED INCOME:
$10,000 DIVIDED BY 100.05 = 99.950
investment offering price # of units
(as of and accrued purchased
07/25/96) interest
99.950 X $5.2771 = $527.45
# of units annual income annual income
purchased per unit
(monthly plan)
</TABLE>