Fitch Rates Bank of America Merrill Lynch P-FLOATs Series MT-646 'AA+/F1+'

NEW YORK--(BUSINESS WIRE)--Fitch Ratings assigns a rating of 'AA+/F1+' to the puttable floating option tax-exempts receipts (P-FLOATs), series MT-646, of the Merrill Lynch P-FLOATs Series MT Trust BOA.

The 'AA+' long-term rating assigned to the P-FLOATs is based on the rating that Fitch has assigned to the Commonwealth of Massachusetts, general obligation bonds, consolidated loan of 2007, series A (currently rated 'AA+' with a Stable Outlook).

The 'F1+' short-term rating assigned to the P-FLOATs is based on the liquidity facility provided by Merrill Lynch International Bank Limited, acting through its Dublin head office. The 'F1+' rating will expire on Aug. 15, 2011, the expiration date of the liquidity facility, unless such date is extended or earlier terminated.

Additional information is available at 'www.fitchratings.com'.

Related Research:

--' U.S. Municipal Structured Finance Rating Criteria', Dec.17, 2009;

--' Guidelines for Rating Secondary Market Synthetic Floating-Rate Securities', Nov. 25, 2008.

Related Research:

U.S. Municipal Structured Finance Rating Criteria

http://www.fitchratings.com/creditdesk/reports/report_frame.cfm?rpt_id=548588

Guidelines for Rating Secondary Market Synthetic Floating-Rate Securities

http://www.fitchratings.com/creditdesk/reports/report_frame.cfm?rpt_id=415892

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