| PRICING SUPPLEMENT | File No. 333-132911 | |||||
| (To MTN Prospectus Supplement, General Prospectus Supplement | Rule 424(b)(3) | |||||
| and Prospectus, each dated March 31, 2006) | ||||||
| Pricing Supplement Number: 2581 | ||||||
Merrill Lynch & Co., Inc.
Medium-Term Notes, Series C
Due Nine Months or More from Date of Issue
Floating Rate Notes
| Principal Amount: | $25,000,000 | Original Issue Date: | September 20, 2006 | |||||||
| CUSIP Number: | 59018YYG0 | Stated Maturity Date: | September 15, 2010 | |||||||
| Issue Price: | 100.00% | |||||||||
| Interest Calculation: | Day Count Convention: |
|||||||||
| x | Regular Floating Rate Note | x | Actual/360 | |||||||
| Inverse Floating Rate Note | 30/360 | |||||||||
| (Fixed Interest Rate): | Actual/Actual | |||||||||
| Interest Rate Basis: | ||||||||||
| x | LIBOR | Commercial Paper Rate | ||||||||
| CMT Rate | Eleventh District Cost of Funds Rate | |||||||||
| Prime Rate | CD Rate | |||||||||
| Federal Funds Rate | Other (see attached) | |||||||||
| Treasury Rate | ||||||||||
| Designated CMT Page: | Designated LIBOR Page: | |||||||||
| CMT Moneyline Telerate Page: | LIBOR MoneylineTelerate Page: | 3750 | ||||||||
| LIBOR Reuters Page: | ||||||||||
| Index Maturity: | One Month | Minimum Interest Rate: | Not Applicable | |||||||
| Spread: | 0.1400% | Maximum Interest Rate: | Not Applicable | |||||||
| Initial Interest Rate: | Calculated as if the Original Issue | Spread Multiplier: | Not Applicable | |||||||
| Date was an Interest Reset Date | ||||||||||
| Interest Reset Dates: | Monthly, on the 20th, commencing on | |||||||||
| October 20, 2006, subject to modified following Business Day convention. | ||||||||||
| Interest Payment Dates: | Monthly, on the 20th, commencing on | |||||||||
| October 20, 2006, subject to modified following Business Day convention. | ||||||||||
| Short Stub at the last payment. | ||||||||||
| Repayment at the Option of the Holder: |
The Notes cannot be repaid prior to the Stated Maturity Date. | |||||||||
| Redemption at the Option of the Company: |
The Notes cannot be redeemed prior to the Stated Maturity Date. | |||||||||
| Form: | The Notes are being issued in fully registered book-entry form. | |||||||||
| Trustee: | JPMorgan Chase Bank | |||||||||
| Underwriting Discount: | 0.0000% | |||||||||
| Dated: | September 6, 2006 | |||||||||