CLAYMORE EXCHANGE-TRADED FUND TRUST

Claymore/KLD Sudan Free Large-Cap Core ETF
Claymore/BBD High Income Index ETF
Claymore/Robeco Boston Partners Large-Cap Value ETF
Claymore/Morningstar Information Super Sector Index ETF
Claymore/Morningstar Services Super Sector Index ETF
Claymore/Morningstar Manufacturing Super Sector Index ETF

Supplement to the currently effective Prospectus for the above listed Funds:

Each Fund's fiscal year end has been changed to May 31. All references in each Fund's Prospectus to the Fund's fiscal year end of August 31 and to the Fund's annual report dated as of August 31, 2008 are hereby replaced with May 31 and May 31, 2009, respectively.

Claymore Exchange-Traded Fund Trust 2455 Corporate West Drive Lisle, Illinois 60532

Please Retain This Supplement for Future Reference

September 26, 2007

CLAYMORE EXCHANGE-TRADED FUND TRUST

Claymore/KLD Sudan Free Large-Cap Core ETF Claymore/BBD High Income Index ETF Claymore/Robeco Boston Partners Large-Cap Value ETF Claymore/Morningstar Information Super Sector Index ETF Claymore/Morningstar Services Super Sector Index ETF Claymore/Morningstar Manufacturing Super Sector Index ETF

Supplement to the currently effective Statement of Additional Information for the above listed Funds:

Each Fund's fiscal year end has been changed to May 31. All references in each Fund's Statement of Additional Information to the Fund's fiscal year end of August 31 are hereby replaced with May 31.

Claymore Exchange-Traded Fund Trust 2455 Corporate West Drive Lisle, Illinois 60532

Please Retain This Supplement for Future Reference

September 26, 2007

Claymore/Bir Leaders Small-Cap Core Etf (AMEX:BES)
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Claymore/Bir Leaders Small-Cap Core Etf (AMEX:BES)
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