Filed Pursuant to Rule 433
Registration No. 333-266555

Pricing Term Sheet

Senior Callable Fixed-to-Fixed Reset Rate Notes due 2029

Issuer:	Mizuho Financial Group, Inc. (the “Issuer”)
Expected Security Ratings:*	A1 (Moody’s) / A- (S&P)
Securities Offered:	Aggregate principal amount of U.S.$1,000,000,000 5.667% senior callable fixed-to-fixed reset rate notes due 2029
Issue Price:	100.000%
Maturity Date:	May 27, 2029
Treasury Benchmark:	5-year U.S. Treasury, 3.500% due January 31, 2028
Treasury Benchmark Price / Yield:	97-01+ / 4.167%
Spread to Treasury Benchmark:	150 basis points
Reoffer Yield:	5.667%
Coupon:	From and including February 27, 2023 to, but excluding, May 27, 2028 (the “Reset Date”), the Notes will bear interest at the fixed rate of 5.667% per annum. From and including the Reset Date to, but excluding, the Maturity Date, the Notes will bear interest at a fixed per annum rate equal to the applicable U.S. Treasury Rate (as defined in the preliminary prospectus supplement) as determined by The Bank of New York Mellon as calculation agent on the second Business Day (as defined below) immediately preceding the Reset Date, plus 1.50% (the “Reset Fixed Rate”). The determination of the applicable U.S. Treasury Rate and the Reset Fixed Rate is subject to the provisions set forth under “Description of the Notes—Fixed-to-Fixed Reset Rate Notes—Reset Fixed Rate Period” in the preliminary prospectus supplement.
Interest Payment Dates:	Semi-annually in arrears on May 27 and November 27 of each year, starting on November 27, 2023 (long first coupon)
Day Count:	30/360
Ranking:	Direct, unconditional, unsubordinated and unsecured obligations of the Issuer and rank pari passu and without preference among themselves and with all other unsecured obligations, other than subordinated obligations of the Issuer (except for statutorily preferred exceptions) from time to time outstanding.
Trade Date:	February 21, 2023
Settlement Date:	February 27, 2023 (T+4)
Business Days:	New York and Tokyo
Minimum Denomination:	U.S.$200,000 or integral multiples of U.S.$1,000 in excess thereof.

Optional Redemption:	The Issuer may redeem the Notes, at its option, in whole, but not in part, on May 27, 2028, upon not less than 15 nor more than 60 days’ prior notice, at a redemption price equal to the sum of 100% of the principal amount of the notes being redeemed plus accrued and unpaid interest thereon to, but excluding, the date of redemption.
Use of Proceeds:	The Issuer intends to use the net proceeds of the offering to make a loan that is intended to qualify as internal TLAC under the Japanese TLAC Standard to Mizuho Bank, Ltd. (“Mizuho Bank”), and Mizuho Bank intends to utilize such funds for its general corporate purposes.
Listing:	Luxembourg Stock Exchange’s Euro MTF Market
Billing and Delivering:	Mizuho Securities USA LLC
Joint Lead Managers and Joint Bookrunners:	Mizuho Securities USA LLC and BofA Securities, Inc.
Joint Lead Managers:	Goldman Sachs & Co. LLC and J.P. Morgan Securities LLC
Senior Co-Managers:	Citigroup Global Markets Inc., Danske Markets Inc., ING Financial Markets LLC and Natixis Securities Americas LLC
Co-Managers:	Daiwa Capital Markets America Inc., BNY Mellon Capital Markets, LLC, Citizens Capital Markets, Inc., The Governor and Company of the Bank of Ireland, KKR Capital Markets LLC, The Korea Development Bank, Shinhan Securities Co., Ltd., Société Générale, TD Securities (USA) LLC, Academy Securities, Inc., AmeriVet Securities, Inc., CastleOak Securities, L.P., Drexel Hamilton, LLC, Great Pacific Securities, Loop Capital Markets LLC, Mischler Financial Group, Inc., R. Seelaus & Co., LLC, Samuel A. Ramirez & Company, Inc. and Siebert Williams Shank & Co., LLC
CUSIP:	60687Y CP2
ISIN:	US60687YCP25
Common Code:	259196337

*Note: A security rating is not a recommendation to buy, sell or hold securities and may be subject to suspension, revision or withdrawal at any time by the assigning rating agencies.

This communication is intended for the sole use of the person to whom it is provided by us. This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities in any jurisdiction to any person to whom it is unlawful to make such offer or solicitation in such jurisdiction.

The Issuer has filed a registration statement (including a prospectus) and a preliminary prospectus supplement with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement, the preliminary prospectus supplement and other documents the Issuer has filed with the SEC and which are incorporated by reference therein for more complete information about the Issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the Issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and the preliminary prospectus supplement if you request it by calling Mizuho Securities USA LLC, toll free at 1-866-271-7403 or BofA Securities, Inc., at 1-800-294-1322.

No EEA or UK PRIIPs KID – No EEA or UK PRIIPs key information document (KID) has been prepared as not available to retail in EEA or the UK. See “Prohibition of Sales to EEA Retail Investors” and “Prohibition of Sales to UK Retail Investors” in the preliminary prospectus supplement.

Pricing Term Sheet

Senior Callable Fixed-to-Fixed Reset Rate Notes due 2031

Issuer:	Mizuho Financial Group, Inc. (the “Issuer”)
Expected Security Ratings:*	A1 (Moody’s) / A- (S&P)
Securities Offered:	Aggregate principal amount of U.S.$700,000,000 5.739% senior callable fixed-to-fixed reset rate notes due 2031
Issue Price:	100.000%
Maturity Date:	May 27, 2031
Treasury Benchmark:	7-year U.S. Treasury, 3.500% due January 31, 2030
Treasury Benchmark Price / Yield:	96-15 / 4.089%
Spread to Treasury Benchmark:	165 basis points
Reoffer Yield:	5.739%
Coupon:	From and including February 27, 2023 to, but excluding, May 27, 2030 (the “Reset Date”), the Notes will bear interest at the fixed rate of 5.739% per annum. From and including the Reset Date to, but excluding, the Maturity Date, the Notes will bear interest at a fixed per annum rate equal to the applicable U.S. Treasury Rate (as defined in the preliminary prospectus supplement) as determined by The Bank of New York Mellon as calculation agent on the second Business Day (as defined below) immediately preceding the Reset Date, plus 1.65% (the “Reset Fixed Rate”). The determination of the applicable U.S. Treasury Rate and the Reset Fixed Rate is subject to the provisions set forth under “Description of the Notes—Fixed-to-Fixed Reset Rate Notes—Reset Fixed Rate Period” in the preliminary prospectus supplement.
Interest Payment Dates:	Semi-annually in arrears on May 27 and November 27 of each year, starting on November 27, 2023 (long first coupon)
Day Count:	30/360
Ranking:	Direct, unconditional, unsubordinated and unsecured obligations of the Issuer and rank pari passu and without preference among themselves and with all other unsecured obligations, other than subordinated obligations of the Issuer (except for statutorily preferred exceptions) from time to time outstanding.
Trade Date:	February 21, 2023
Settlement Date:	February 27, 2023 (T+4)
Business Days:	New York and Tokyo
Minimum Denomination:	U.S.$200,000 or integral multiples of U.S.$1,000 in excess thereof.

Optional Redemption:	The Issuer may redeem the Notes, at its option, in whole, but not in part, on May 27, 2030, upon not less than 15 nor more than 60 days’ prior notice, at a redemption price equal to the sum of 100% of the principal amount of the notes being redeemed plus accrued and unpaid interest thereon to, but excluding, the date of redemption.
Use of Proceeds:	The Issuer intends to use the net proceeds of the offering to make a loan that is intended to qualify as internal TLAC under the Japanese TLAC Standard to Mizuho Bank, Ltd. (“Mizuho Bank”), and Mizuho Bank intends to utilize such funds for its general corporate purposes.
Listing:	Luxembourg Stock Exchange’s Euro MTF Market
Billing and Delivering:	Mizuho Securities USA LLC
Joint Lead Managers and Joint Bookrunners:	Mizuho Securities USA LLC and BofA Securities, Inc.
Joint Lead Managers:	Goldman Sachs & Co. LLC and J.P. Morgan Securities LLC
Senior Co-Managers:	Citigroup Global Markets Inc., Danske Markets Inc., ING Financial Markets LLC and Natixis Securities Americas LLC
Co-Managers:	Daiwa Capital Markets America Inc., BNY Mellon Capital Markets, LLC, Citizens Capital Markets, Inc., The Governor and Company of the Bank of Ireland, KKR Capital Markets LLC, The Korea Development Bank, Shinhan Securities Co., Ltd., Société Générale, TD Securities (USA) LLC, Academy Securities, Inc., AmeriVet Securities, Inc., CastleOak Securities, L.P., Drexel Hamilton, LLC, Great Pacific Securities, Loop Capital Markets LLC, Mischler Financial Group, Inc., R. Seelaus & Co., LLC, Samuel A. Ramirez & Company, Inc. and Siebert Williams Shank & Co., LLC
CUSIP:	60687Y CR8
ISIN:	US60687YCR80
Common Code:	259201144

*Note: A security rating is not a recommendation to buy, sell or hold securities and may be subject to suspension, revision or withdrawal at any time by the assigning rating agencies.

This communication is intended for the sole use of the person to whom it is provided by us. This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities in any jurisdiction to any person to whom it is unlawful to make such offer or solicitation in such jurisdiction.

The Issuer has filed a registration statement (including a prospectus) and a preliminary prospectus supplement with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement, the preliminary prospectus supplement and other documents the Issuer has filed with the SEC and which are incorporated by reference therein for more complete information about the Issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the Issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and the preliminary prospectus supplement if you request it by calling Mizuho Securities USA LLC, toll free at 1-866-271-7403 or BofA Securities, Inc., at 1-800-294-1322.

No EEA or UK PRIIPs KID – No EEA or UK PRIIPs key information document (KID) has been prepared as not available to retail in EEA or the UK. See “Prohibition of Sales to EEA Retail Investors” and “Prohibition of Sales to UK Retail Investors” in the preliminary prospectus supplement.

Pricing Term Sheet

Senior Callable Fixed-to-Fixed Reset Rate Notes due 2034

Issuer:	Mizuho Financial Group, Inc. (the “Issuer”)
Expected Security Ratings:*	A1 (Moody’s) / A- (S&P)
Securities Offered:	Aggregate principal amount of U.S.$900,000,000 5.754% senior callable fixed-to-fixed reset rate notes due 2034
Issue Price:	100.000%
Maturity Date:	May 27, 2034
Treasury Benchmark:	10-year U.S. Treasury, 3.500% due February 15, 2033
Treasury Benchmark Price / Yield:	96-09 / 3.954%
Spread to Treasury Benchmark:	180 basis points
Reoffer Yield:	5.754%
Coupon:	From and including February 27, 2023 to, but excluding, May 27, 2033 (the “Reset Date”), the Notes will bear interest at the fixed rate of 5.754% per annum. From and including the Reset Date to, but excluding, the Maturity Date, the Notes will bear interest at a fixed per annum rate equal to the applicable U.S. Treasury Rate (as defined in the preliminary prospectus supplement) as determined by The Bank of New York Mellon as calculation agent on the second Business Day (as defined below) immediately preceding the Reset Date, plus 1.80% (the “Reset Fixed Rate”). The determination of the applicable U.S. Treasury Rate and the Reset Fixed Rate is subject to the provisions set forth under “Description of the Notes—Fixed-to-Fixed Reset Rate Notes—Reset Fixed Rate Period” in the preliminary prospectus supplement.
Interest Payment Dates:	Semi-annually in arrears on May 27 and November 27 of each year, starting on November 27, 2023 (long first coupon)
Day Count:	30/360
Ranking:	Direct, unconditional, unsubordinated and unsecured obligations of the Issuer and rank pari passu and without preference among themselves and with all other unsecured obligations, other than subordinated obligations of the Issuer (except for statutorily preferred exceptions) from time to time outstanding.
Trade Date:	February 21, 2023
Settlement Date:	February 27, 2023 (T+4)
Business Days:	New York and Tokyo
Minimum Denomination:	U.S.$200,000 or integral multiples of U.S.$1,000 in excess thereof.

Optional Redemption:	The Issuer may redeem the Notes, at its option, in whole, but not in part, on May 27, 2033, upon not less than 15 nor more than 60 days’ prior notice, at a redemption price equal to the sum of 100% of the principal amount of the notes being redeemed plus accrued and unpaid interest thereon to, but excluding, the date of redemption.
Use of Proceeds:	The Issuer intends to use the net proceeds of the offering to make a loan that is intended to qualify as internal TLAC under the Japanese TLAC Standard to Mizuho Bank, Ltd. (“Mizuho Bank”), and Mizuho Bank intends to utilize such funds for its general corporate purposes.
Listing:	Luxembourg Stock Exchange’s Euro MTF Market
Billing and Delivering:	Mizuho Securities USA LLC
Joint Lead Managers and Joint Bookrunners:	Mizuho Securities USA LLC and BofA Securities, Inc.
Joint Lead Managers:	Goldman Sachs & Co. LLC and J.P. Morgan Securities LLC
Senior Co-Managers:	Citigroup Global Markets Inc., Danske Markets Inc., ING Financial Markets LLC and Natixis Securities Americas LLC
Co-Managers:	Daiwa Capital Markets America Inc., BNY Mellon Capital Markets, LLC, Citizens Capital Markets, Inc., The Governor and Company of the Bank of Ireland, KKR Capital Markets LLC, The Korea Development Bank, Shinhan Securities Co., Ltd., Société Générale, TD Securities (USA) LLC, Academy Securities, Inc., AmeriVet Securities, Inc., CastleOak Securities, L.P., Drexel Hamilton, LLC, Great Pacific Securities, Loop Capital Markets LLC, Mischler Financial Group, Inc., R. Seelaus & Co., LLC, Samuel A. Ramirez & Company, Inc. and Siebert Williams Shank & Co., LLC
CUSIP:	60687Y CT4
ISIN:	US60687YCT47
Common Code:	259201365

*Note: A security rating is not a recommendation to buy, sell or hold securities and may be subject to suspension, revision or withdrawal at any time by the assigning rating agencies.

This communication is intended for the sole use of the person to whom it is provided by us. This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities in any jurisdiction to any person to whom it is unlawful to make such offer or solicitation in such jurisdiction.

The Issuer has filed a registration statement (including a prospectus) and a preliminary prospectus supplement with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement, the preliminary prospectus supplement and other documents the Issuer has filed with the SEC and which are incorporated by reference therein for more complete information about the Issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the Issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and the preliminary prospectus supplement if you request it by calling Mizuho Securities USA LLC, toll free at 1-866-271-7403 or BofA Securities, Inc., at 1-800-294-1322.

No EEA or UK PRIIPs KID – No EEA or UK PRIIPs key information document (KID) has been prepared as not available to retail in EEA or the UK. See “Prohibition of Sales to EEA Retail Investors” and “Prohibition of Sales to UK Retail Investors” in the preliminary prospectus supplement.