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Index Name	Index	Low Rate	High Rate	Standard Deviation	Qualifying Issues	Total Par(000)
SIFMA Auction Rate 7-Day Index	1.25	0.52	2.26	0.87	21	1,237,650
SIFMA Auction Rate One Month Index	1.24	0.47	2.57	3.24	26	1,637,470
SIFMA Auction Rate 7-Day State Index	0.97	0.24	2.82	1.60	20	1,368,540
SIFMA Auction Rate Preferred 7-Day Index	1.65	0.99	1.72	0.58	36	2,025,700
SIFMA Auction Rate Preferred 7-Day State Index	0.96	0.53	1.58	0.56	16	671,475
SIFMA Auction Rate One Month Taxable Index	1.93	1.08	2.81	1.08	19	1,272,600
SIFMA Auction Rate Preferred 7-Day Taxable Index	1.61	1.35	1.80	0.50	17	843,900

State indices include issues from California, Massachusetts, New Jersey and New York. Other indices include all states except California, Massachusetts, New Jersey and New York.

As noted in a press release (http://www.sifma.org/news/news.aspx?id=10622), the SIFMA Auction Rate Preferred One Month Index ceased publication as of April 8, 2009.
You can still access historic data about that index by choosing a date from the drop down menu that appears next to "Select An Index Date."