Form 424B3 - Prospectus [Rule 424(b)(3)]

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Filed Pursuant to Rule 424(b)(3)

Registration No. 333-274897

BLACKROCK TCP CAPITAL CORP.

BLACKROCK CAPITAL INVESTMENT CORPORATION

Supplement No. 1, dated March 6, 2024, to the

Proxy Statement/Prospectus, dated January 11, 2024

This supplement contains information that amends, supplements or modifies certain information contained in the prospectus of BlackRock TCP Capital Corp. (“TCPC”), dated January 11, 2024 (the “Prospectus”), and the definitive proxy statement of BlackRock Capital Investment Corporation (“BCIC”), dated January 11, 2024 (the “Proxy Statement” and, together with the Prospectus, the “Proxy Statement/Prospectus”). This supplement is part of, and should be read in conjunction with, the Proxy Statement/Prospectus. The Proxy Statement/Prospectus has been filed with the U.S. Securities and Exchange Commission (the “SEC”), and is available free of charge at www.sec.gov or by calling TCPC at [phone] or by sending an email to TCPC at [e-mail], or by contacting BCIC by calling BCIC at [phone] or by sending an email to BCIC at [e-mail]. Capitalized terms used herein but not defined shall have the meanings ascribed to such terms in the Proxy Statement/Prospectus.

INCORPORATION BY REFERENCE FOR TCPC

 

This supplement incorporates by reference the documents set forth below that have previously been filed with the SEC:

 

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TCPC’s Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on February 29, 2024.

 

INCORPORATION BY REFERENCE FOR BCIC

 

This supplement incorporates by reference the documents set forth below that have previously been filed with the SEC:

 

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BCIC’s Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on March 5, 2024.

 

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