MARSH & MCLENNAN COMPANIES, INC. Quarterly Report (Amendment) for Q2 Ended Jun 30, 2009

Summary

This filing is an amendment to Marsh & McLennan Companies, Inc.'s (MRSH) Form 10-Q for the quarterly period ended June 30, 2009. The amendment primarily serves to provide Exhibit 101, which contains XBRL instance documents, and does not alter the original financial disclosures presented in the initial 10-Q filing. Investors should refer to the original 10-Q filing for detailed financial performance and operational insights for the period. The company is identified as a large accelerated filer, indicating its significant public float and market capitalization, and it is not a shell company. As this is an amendment focused on XBRL data and not a revision of financial statements, it does not introduce new financial performance metrics or strategic updates. The primary takeaway for investors is that the company has fulfilled its regulatory reporting requirements by submitting the necessary XBRL data. All substantive financial information and analysis should be derived from the initial Form 10-Q filing itself.

Key Highlights

• 1This filing is an amendment (10-Q/A) to the original Form 10-Q for the period ending June 30, 2009.
• 2The sole purpose of this amendment is to provide Exhibit 101, which includes XBRL instance documents.
• 3No changes or revisions have been made to the original financial disclosures or narrative content of the Form 10-Q.
• 4Marsh & McLennan Companies, Inc. is classified as a large accelerated filer.
• 5The company has submitted all required reports for the preceding 12 months and has been subject to filing requirements for the past 90 days.
• 6The filing confirms that the registrant is not a shell company.
• 7Key personnel, including the Chief Financial Officer, have signed off on the certifications required for the filing.

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