Thornburg International Growth Fund
The Thornburg International Growth Fund commenced operations on February 1, 2007.
The Fund declared the following short-term capital gain distributions in 2007.
| Amount per share | ||||
| Record Date | Payable Date | Short-term1 | Long-term | |
| Class A | 12/24/07 | 12/26/07 | 0.36740 | n/a |
| Class C | 12/24/07 | 12/26/07 | 0.36740 | n/a |
| Class I | 12/24/07 | 12/26/07 | 0.36740 | n/a |
(1) Short-term gains are treated as ordinary income for tax purposes.
For the 2007 calendar year, 16.61% of the dividends paid from tax basis net ordinary income (box 1b of Form 1099-DIV) qualify as qualified dividend income (“QDI”) for the reduced tax rate under the Jobs and Growth Relief Reconciliation Act of 2003.
0.00% of the ordinary income distributions paid by the Fund for 2007 qualified for the corporate dividends received deduction.
Foreign Taxes:
For the period ended December 31, 2007, foreign taxes paid and foreign source income is $41,569 and $469,642, respectively.
For the 2007 calendar year, The Thornburg International Growth Fund (“the Fund”) has elected to pass-through its foreign withholding taxes to its shareholders. Your amount of foreign withholding taxes incurred by the Fund has been reported to you in Box 6 on your Form 1099-DIV. Box 6 reports foreign income taxes paid on income derived from Fund investments in foreign securities. Federal tax rules generally permit U.S. taxpayers to either deduct or take a credit against their U.S. tax liability. Additionally, for the 2007 calendar year, the Fund deemed 16.61% of its ordinary income dividends distributed to its shareholders to be qualified dividend income (“QDI”). The amount of QDI you received is included in Box 1b of your 1099-DIV. The receipt of QDI may result in special rules in determining a shareholder’s foreign tax credit limitation computation as prescribed in Section 904 of the Internal Revenue Code.
Federal tax rules do not require this information be provided to you on a per-country basis for this Fund.
Please note that the above information is provided to satisfy Internal Revenue Code notification requirements. Foreign tax information will be provided with your 2007 1099-DIV.
Tax rules are complex. Please consult your tax advisor.
Investments in the Fund carry risks including possible loss of principal. Investing outside the United States involves additional risks, such as currency fluctuations. Risks may be associated with investments in emerging markets including illiquidity and volatility. Additionally, the Fund invests a portion of the assets in small capitalization companies, which may increase the risk of greater price fluctuations. Investments in the Fund are not FDIC insured, nor are they deposits of or guaranteed by a bank or any other entity.
Carefully consider the Fund’s investment objectives, risks, sales charges, and expenses; these are found in the prospectus, which is available from your financial advisor or from our download library. Read it carefully before you invest or send money.

