BlackRock Corporate High Yield Fund : HYT) SAI

BlackRock Corporate High Yield Fund, Inc.

STATEMENT OF ADDITIONAL INFORMATION

BlackRock Corporate High Yield Fund, Inc. (the "Fund") is a diversified, closed-end management investment company. This Statement of Additional Information ("SAI") relating to shares of the Fund's common stock ("common shares") does not constitute a prospectus, but should be read in conjunction with the prospectus relating thereto dated February 2, 2022 and any related prospectus supplement. This SAI, which is not a prospectus, does not include all information that a prospective investor should consider before purchasing common shares, and investors should obtain and read the Prospectus and any related prospectus supplement prior to purchasing such shares. A copy of the Prospectus and any related prospectus supplement may be obtained without charge by calling (800) 882-0052. You may also obtain a copy of the Prospectus on the Securities and Exchange Commission's (the "SEC") website (http://www.sec.gov). Capitalized terms used but not defined in this SAI have the meanings ascribed to them in the Prospectus.

References to the Investment Company Act of 1940, as amended (the "Investment Company Act" or the "1940 Act"), or other applicable law, will include any rules promulgated thereunder and any guidance, interpretations or modifications by the SEC, SEC staff or other authority with appropriate jurisdiction, including court interpretations, and exemptive, no-action or other relief or permission from the SEC, SEC staff or other authority.

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TABLE OF CONTENTS

This Statement of Additional Information is dated February 2, 2022.

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THE FUND

The Fund is a diversified, closed-end management investment company registered under the Investment Company Act. The Fund was organized as a Maryland corporation on March 13, 2003. The Fund's investment adviser is BlackRock Advisors, LLC (the "Advisor"). BlackRock International Limited serves as sub-advisor to the Fund (the "Sub-Advisor" and, together with the Advisor, the "Advisors").

The common shares of the Fund are listed on the New York Stock Exchange ("NYSE") under the symbol "HYT." As of January 24, 2022, the Fund has outstanding 122,259,646 common shares.

INVESTMENT OBJECTIVE AND POLICIES

Investment Restrictions

The Fund has adopted restrictions and policies relating to the investment of the Fund's assets and its activities. Certain of the restrictions are fundamental policies of the Fund and may not be changed without the approval of the holders of a majority of the Fund's outstanding voting securities (which for this purpose and under the Investment Company Act means the lesser of (i) 67% of the shares of each class of shares represented at a meeting at which more than 50% of the outstanding shares of each class of shares are represented or

1. more than 50% of the outstanding shares of each class of shares), including class approval by a majority of the Fund's outstanding shares of preferred stock ("preferred shares"), if any (which for this purpose and under the Investment Company Act means the lesser of (i) 67% of the preferred shares, as a single class, represented at a meeting at which more than 50% of the Fund's outstanding preferred shares are represented or (ii) more than 50% of the outstanding preferred shares).

Fundamental Investment Restrictions. Under these fundamental investment restrictions, the Fund may not:

1. Make investments for the purpose of exercising control or management.
2. Purchase or sell real estate, commodities or commodity contracts, except that, to the extent permitted by applicable law, the Fund may invest in securities directly or indirectly secured by real estate or interests therein or issued by entities that invest in real estate or interests therein, and the Fund may purchase and sell financial futures contracts and options thereon..
3. Issue senior securities or borrow money except as permitted by Section 18 of the 1940 Act or as otherwise permitted by applicable law.
4. Underwrite securities of other issuers, except insofar as the Fund may be deemed an underwriter under the Securities Act in selling portfolio securities.
5. Make loans to other persons, except (i) the Fund shall not be deemed to be making a loan to the extent that the Fund purchases Corporate Loans or other debt instruments or enters into repurchase agreements or any similar instruments and (ii) the Fund may lend its portfolio securities in an amount not in excess of 33 1/3% of its total assets, taken at market value, provided that such loans shall be made in accordance with the guidelines set forth in this Prospectus.
6. Invest more than 25% of its total assets (taken at market value at the time of each investment) in the securities of issuers in any one industry. (For purposes of this restriction, states, municipalities and their political subdivisions are not considered to be part of any industry)

For purposes of applying the limitation set forth in subparagraph (6) above, securities of the

U.S. Government, any state government or their respective agencies, or instrumentalities and securities backed by the credit of any federal or state governmental entity are not considered to represent industries. However, obligations backed only by the assets and revenues of non-governmental issuers may for this purpose be deemed to be issued by such non-governmental issuers. Thus, the 25% limitation would apply to such obligations. It is

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