UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): January 10, 2022

FS KKR Capital Corp.

(Exact name of Registrant as specified in its charter)

Registrant’s telephone number, including area code: (215) 495-1150

None

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   ☐

Item 7.01. Regulation FD Disclosure.

On January 10, 2022, FS KKR Capital Corp. issued a press release, a copy of which is attached hereto as Exhibit 99.1.

The information in this Item 7.01, including Exhibit 99.1 and the information set forth therein, is deemed to have been furnished to, and shall not be deemed to be “filed” with, the U.S. Securities and Exchange Commission.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Exhibit 99.1

FOR IMMEDIATE RELEASE

FSK Prices Public Offering of $500,000,000 3.250% Notes Due 2027

PHILADELPHIA, PA, January 10, 2022 – FS KKR Capital Corp. (NYSE: FSK) announced that it has priced an underwritten public offering of $500,000,000 in aggregate principal amount of its 3.250% unsecured notes due 2027 (the “Notes”). The Notes will mature on July 15, 2027 and may be redeemed in whole or in part at FSK’s option at any time at par plus a “make-whole” premium, provided that the Notes may be redeemed at par one month prior to their maturity. The offering is expected to close on January 18, 2022, subject to customary closing conditions.

BofA Securities, Inc., BMO Capital Markets Corp., KKR Capital Markets LLC, MUFG Securities Americas Inc., SMBC Nikko Securities America, Inc., J.P. Morgan Securities LLC, ING Financial Markets LLC, Truist Securities, Inc., HSBC Securities (USA) Inc., Mizuho Securities USA LLC and RBC Capital Markets, LLC are acting as joint book-running managers for this offering. BNP Paribas Securities Corp., Citigroup Global Markets Inc., Deutsche Bank Securities Inc., Goldman Sachs & Co. LLC, Morgan Stanley & Co. LLC, Santander Investment Securities Inc. and SG Americas Securities, LLC are acting as joint lead managers for this offering. Barclays Capital Inc., Credit Suisse Securities (USA) LLC, Compass Point Research & Trading, LLC, Hovde Group, LLC, ICBC Standard Bank Plc, R. Seelaus & Co., LLC, Keefe, Bruyette & Woods, Inc. and U.S. Bancorp Investments, Inc. are acting as co-managers for this offering.

FSK intends to use the net proceeds of this offering for general corporate purposes, including potentially repaying outstanding indebtedness under credit facilities and certain notes.

Other Information

Investors are advised to carefully consider the investment objectives, risks, charges and expenses of FSK before investing. The pricing term sheet dated January 10, 2022, the preliminary prospectus supplement dated January 10, 2022, and the accompanying prospectus dated October 4, 2021, each of which has been filed with the U.S. Securities and Exchange Commission (the “SEC”), contain this and other information about FSK and should be read carefully before investing.

The information in the pricing term sheet, the preliminary prospectus supplement, the accompanying prospectus and this press release is not complete and may be changed. The pricing term sheet, the preliminary prospectus supplement, the accompanying prospectus and this press release are not offers to sell any securities of FSK and are not soliciting an offer to buy such securities in any state or jurisdiction where such offer and sale is not permitted.

FSK’s shelf registration statement is on file and was deemed immediately effective upon filing with the SEC. Before you invest, you should read the prospectus in that registration statement, the preliminary prospectus supplement and other documents FSK has filed with the SEC for more complete information about FSK and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, FSK, any underwriter or any dealer participating in the offering will arrange to send you the prospectus supplement and accompanying prospectus if you request it from BofA Securities, Inc., 200 North College Street, NC1-004-03-43, Charlotte, NC 28255-0001, Attn: Prospectus Department, tel: (800)294-1322; email: dg.prospectus_requests@bofa.com; BMO Capital Markets Corp., 151 West 42nd Street, New York, NY 10036, Attn: Debt Capital Markets Syndicate, tel: 1-866-864-7760; KKR Capital Markets LLC, 30 Hudson Yards, New York, NY 10001: tel: 212-230-9433; MUFG Securities Americas Inc., 1221 Avenue of the Americas, Sixth Floor, New York, NY 10020, tel: 877-649-6848; and SMBC Nikko Securities America, Inc.,

277 Park Avenue, New York, NY 10172, Attn: Debt Capital Markets tel: 888-868-6856, email:

prospectus@smbcnikko-si.com.

About FS KKR Capital Corp.

FSK is a leading publicly traded business development company (BDC) focused on providing customized credit solutions to private middle market U.S. companies. FSK seeks to invest primarily in the senior secured debt and, to a lesser extent, the subordinated debt of private middle market companies. FSK is advised by FS/KKR Advisor, LLC.

About FS/KKR Advisor, LLC

FS/KKR Advisor, LLC (FS/KKR) is a partnership between FS Investments and KKR Credit that serves as the investment adviser to FSK.

FS Investments is a leading asset manager dedicated to helping individuals, financial professionals and institutions design better portfolios. The firm provides access to alternative sources of income and growth, and focuses on setting industry standards for investor protection, education and transparency. FS Investments is headquartered in Philadelphia, PA with offices in New York, NY, Orlando, FL and Leawood, KS.

KKR Credit is a subsidiary of KKR & Co. Inc., a leading global investment firm that manages multiple alternative asset classes, including private equity, credit and real assets, with strategic manager partnerships that manage hedge funds. KKR aims to generate attractive investment returns for its fund investors by following a patient and disciplined investment approach, employing world-class people, and driving growth and value creation with KKR portfolio companies. KKR invests its own capital alongside the capital it manages for fund investors and provides financing solutions and investment opportunities through its capital markets business. References to KKR’s investments may include the activities of its sponsored funds.

Forward-Looking Statements and Important Disclosure Notice

This announcement may contain certain forward-looking statements, including statements with regard to future events or the future performance or operations of FSK. Words such as “believes,” “expects,” “projects,” and “future” or similar expressions are intended to identify forward-looking statements. These forward-looking statements are subject to the inherent uncertainties in predicting future results and conditions. Certain factors could cause actual results to differ materially from those projected in these forward-looking statements. Factors that could cause actual results to differ materially include changes in the economy, risks associated with possible disruption in FSK’s operations or the economy generally due to terrorism, natural disasters or pandemics such as COVID-19, future changes in laws or regulations and conditions in FSK’s operating area, and the price at which shares of FSK’s common stock trade on the New York Stock Exchange. Some of these factors are enumerated in the filings FSK makes with the SEC. FSK undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Contact Information:

Investor Relations Contact

Robert Paun

Robert.Paun@fsinvestments.com

917-338-5074

Media Contact

Melanie Hemmert

Melanie.Hemmert@fsinvestments.com