SCHEDULE: Mizuho Financial Group Appoints Attorney for SEC Filings

Mizuho Financial Group, Inc. has granted power of attorney to Takahiro Katsura for executing and filing Form 13G with the SEC.

Summary

• Mizuho Financial Group, Inc. has issued a Limited Power of Attorney to Takahiro Katsura, Managing Director, Head of Global Branches & Subsidiaries Coordination Office, Global Corporate Function Coordination Department.
• This power of attorney authorizes Mr. Katsura to execute and file Form 13G, including any amendments, restatements, supplements, or exhibits, with the U.S. Securities and Exchange Commission (SEC) on behalf of Mizuho Financial Group, Inc.
• The authorization also extends to any other actions deemed beneficial, in the best interest of, or legally required for the undersigned.
• Mizuho Bank, Ltd., Mizuho Americas LLC, and Mizuho Securities USA LLC have also granted similar powers of attorney to Mr. Katsura.
• Mizuho Financial Group, Inc. reported beneficial ownership of 643,039 shares of AA Mission Acquisition Corp. II common stock, representing 5.4% of the class.
• The filing date for this statement is May 14, 2026.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, primarily administrative in nature, confirming a delegation of authority for regulatory compliance rather than announcing new financial performance or strategic shifts.

Positives

• Clear delegation of authority for SEC filings ensures compliance and efficient processing.
• Mizuho Financial Group, Inc. has a stated beneficial ownership of 5.4% in AA Mission Acquisition Corp. II, indicating a significant investment.
• The company is actively managing its reporting obligations through authorized representatives.

Risks

• The power of attorney is subject to revocation by the undersigned.
• The attorney-in-fact is not assuming the undersigned's responsibilities or liability for failure to comply with Section 13 of the Exchange Act.
• The power of attorney remains in effect until the undersigned is no longer required to file Forms 13G, implying potential future changes in reporting requirements.

Future Outlook

The power of attorney remains in effect until Mizuho Financial Group, Inc. is no longer required to file Forms 13G with respect to the company's holdings and transactions in securities, unless earlier revoked.

Management Comments

• "The undersigned hereby grants full power and authority to Takahiro Katsura... to execute on behalf of the undersigned Form 13G..."
• "The undersigned hereby grants to such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever required, necessary or proper to be done..."
• "The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request and on the behalf of the undersigned, is not assuming any of the undersigneds responsibilities to comply with, or any liability for the failure to comply with, any provision of Section 13 of the Exchange Act."

Industry Context

StockSavvy.ai notes that the issuance of a Power of Attorney for SEC filings, particularly for Schedule 13G, is a standard procedural step for large financial institutions like Mizuho Financial Group to manage their reporting obligations efficiently and ensure compliance with U.S. securities laws, especially when holding significant stakes in other companies.

Stakeholder Impact

• Shareholders of Mizuho Financial Group, Inc.: Ensures continued compliance with regulatory requirements, which supports corporate governance and investor confidence.
• Regulators (SEC): Facilitates the timely and accurate filing of required disclosures.
• AA Mission Acquisition Corp. II: The filing confirms Mizuho's significant ownership stake, which may be relevant for corporate actions or strategic discussions.

Next Steps

• Takahiro Katsura will execute and file Form 13G on behalf of Mizuho Financial Group, Inc. and its subsidiaries.
• Mizuho Financial Group, Inc. will continue to file Forms 13G as required by securities regulations.

Key Dates

Keywords

Mizuho Financial Group, Power of Attorney, SEC Filings, Form 13G, Takahiro Katsura, AA Mission Acquisition Corp. II, Beneficial Ownership, Securities Exchange Act