Closing Net Asset Values *
Please Note: As of August 1, 2009, Thornburg Investment Management will no longer offer Class B Shares. See the current prospectus or the following page for more information.

Equity Funds

5/17/2013
Closing
Price
5/20/2013
Closing
Price
  Ticker Difference
Thornburg Equity Funds        
Value Fund - Class A TVAFX $38.47 $38.53 $0.06
Value Fund - Class B TVBFX $35.50 $35.56 $0.06
Value Fund - Class C TVCFX $36.15 $36.20 $0.05
Value Fund - Class I TVIFX $39.47 $39.54 $0.07
International Value Fund - Class A TGVAX $29.87 $30.17 $0.30
International Value Fund - Class B THGBX $27.78 $28.06 $0.28
International Value Fund - Class C THGCX $27.93 $28.21 $0.28
International Value Fund - Class I TGVIX $30.52 $30.83 $0.31
Core Growth Fund - Class A THCGX $22.30 $22.33 $0.03
Core Growth Fund - Class C TCGCX $20.18 $20.21 $0.03
Core Growth Fund - Class I THIGX $23.39 $23.42 $0.03
Investment Income Builder Fund - Class A TIBAX $20.86 $20.91 $0.05
Investment Income Builder Fund - Class C TIBCX $20.86 $20.90 $0.04
Investment Income Builder Fund - Class I TIBIX $21.01 $21.05 $0.04
Global Opportunities Fund - Class A THOAX $18.97 $19.04 $0.07
Global Opportunities Fund - Class C THOCX $18.64 $18.70 $0.06
Global Opportunities Fund - Class I THOIX $19.02 $19.09 $0.07
International Growth Fund - Class A TIGAX $18.99 $19.07 $0.08
International Growth Fund - Class C TIGCX $18.55 $18.63 $0.08
International Growth Fund - Class I TINGX $19.35 $19.43 $0.08
Developing World Fund - Class A THDAX $18.77 $18.90 $0.13
Developing World Fund - Class C THDCX $18.38 $18.50 $0.12
Developing World - Class I THDIX $19.04 $19.17 $0.13

Fixed Income Funds

5/17/2013
Closing
Price
5/20/2013
Closing
Price
  Ticker Difference
Thornburg Fixed Income Funds        
Limited Term Municipal Fund - Class A LTMFX $14.68 $14.67 ($0.01)
Limited Term Municipal Fund - Class C LTMCX $14.71 $14.70 ($0.01)
Limited Term Municipal Fund - Class I LTMIX $14.68 $14.68 $0.00
Intermediate Municipal Fund - Class A THIMX $14.25 $14.25 $0.00
Intermediate Municipal Fund - Class C THMCX $14.27 $14.26 ($0.01)
Intermediate Municipal Fund - Class I THMIX $14.24 $14.23 ($0.01)
California Limited Term Municipal Fund - Class A LTCAX $13.77 $13.77 $0.00
California Limited Term Municipal Fund - Class C LTCCX $13.78 $13.78 $0.00
California Limited Term Municipal Fund - Class I LTCIX $13.79 $13.78 ($0.01)
New Mexico Intermediate Municipal Fund - Class A THNMX $13.84 $13.83 ($0.01)
New Mexico Intermediate Municipal Fund - Class D THNDX $13.85 $13.84 ($0.01)
New Mexico Intermediate Municipal Fund - Class I THNIX $13.83 $13.83 $0.00
New York Intermediate Municipal Fund - Class A THNYX $13.37 $13.36 ($0.01)
New York Intermediate Municipal Fund - Class I TNYIX $13.37 $13.36 ($0.01)
Strategic Municipal Income Fund - Class A TSSAX $15.24 $15.23 ($0.01)
Strategic Municipal Income Fund - Class C TSSCX $15.25 $15.24 ($0.01)
Strategic Municipal Income Fund - Class I TSSIX $15.25 $15.24 ($0.01)
Limited Term Income Fund - Class A THIFX $13.75 $13.75 $0.00
Limited Term Income Fund - Class C THICX $13.73 $13.73 $0.00
Limited Term Income Fund - Class I THIIX $13.76 $13.76 $0.00
Limited Term US Government Fund - Class A LTUSX $13.61 $13.60 ($0.01)
Limited Term US Government Fund - Class B LTUBX $13.58 $13.57 ($0.01)
Limited Term US Government Fund - Class C LTUCX $13.69 $13.68 ($0.01)
Limited Term US Government Fund - Class I LTUIX $13.61 $13.60 ($0.01)
Strategic Income Fund- Class A TSIAX $12.52 $12.53 $0.01
Strategic Income Fund - Class C TSICX $12.51 $12.52 $0.01
Strategic Income Fund - Class I TSIIX $12.50 $12.51 $0.01
Important Information

Investments in the Funds carry risks, including possible loss of principal. Investing outside the United States, especially in emerging markets, entails special risks, such as currency fluctuations, illiquidity, and volatility. Investments in small capitalization companies may increase the risk of greater price fluctuations. Funds investing in bonds have the same interest rate, inflation, and credit risks that are associated with the underlying bonds. The principal value of bonds will fluctuate relative to changes in interest rates, decreasing when interest rates rise. This effect is more pronounced for longer-term bonds. Unlike bonds, bond funds have ongoing fees and expenses. Funds invested in mortgage backed securities may bear additional risk. Investments in lower rated and unrated bonds may be more sensitive to default, downgrades, and market volatility; these investments may also be less liquid than higher rated bonds. Investments in derivatives are subject to the risks associated with the securities or other assets underlying the pool of securities, including illiquidity and difficulty in valuation. Investments in the Funds are not FDIC insured, nor are they deposits of or guaranteed by a bank or any other entity.

Class I shares may not be available to all investors. Minimum investments for the I share class may be higher than those for other classes.

Before investing, carefully consider the Fund’s investment goals, risks, charges, and expenses. For a prospectus containing this and other information, contact your financial advisor or visit our literature library. Read it carefully before investing.

*Net Asset Value (NAV) is the value of a mutual fund share not including a deduction of a sales charge.

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