UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  ☐    No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

The aggregate market value of the registrant’s common stock at June 30, 2020,2021, based on the closing price of the common stock on that date of $8.57$13.21 on The Nasdaq Global Select Market, held by those persons deemed by the registrant to be non-affiliates was approximately $481,028,221.$741,468,238.

The number of shares of the registrant’s common stock, $0.01 par value per share, outstanding at February 22, 202118, 2022 was 55,048,840.52,842,456.

TCG BDC, INC.

INDEX

PART I

In this annual report, except where the context suggests otherwise:

Item 1. Business

We are an externally managed specialty finance company whose primary focus is making directly originated loans to middle market companies. We are managed by our Investment Adviser, a wholly owned subsidiary of The Carlyle Group Inc. We have elected to be regulated as a business development company (“BDC”) under the Investment Company Act of 1940, as amended (together with the rules and regulations promulgated thereunder, the “Investment Company Act”). In addition, we have elected to be treated, and intend to continue to comply with the requirements to qualify annually, as a regulated investment company (“RIC”) under the Internal Revenue Code of 1986, as amended (together with the rules and regulations promulgated thereunder, the “Code”). We commenced investment operations in May 2013 and closed our initial public offering in June 2017.

Formation Transactions and Corporate Structure

We were formed in February 2012 as a Maryland corporation structured as an externally managed, non-diversified closed-end investment company. On May 2, 2013, we elected to be regulated as a BDC under the Investment Company Act and commenced substantial investment operations upon the completion of our initial closing of equity capital commitments. In addition, for U.S. federal income tax purposes, we elected to be treated as a RIC under the Code commencing with our taxable year ended December 31, 2013.

Our Investment Adviser

Our investment activities are managed by our Investment Adviser.Adviser, a Delaware limited liability company and an investment adviser registered with the SEC under the Investment Advisers Act of 1940, as amended (the “Advisers Act”). The principal executive offices of our Investment Adviser are located at One Vanderbilt Avenue, Suite 3400, New York, NY 10017, with additional offices in Chicago, Boston and Los Angeles. Our Investment Adviser is responsible for sourcing potential investments, conducting research and due diligence on prospective investments, analyzing and structuring investments and monitoring investments on an ongoing basis.

Our Investment Adviser, its investment professionals, our executive officers and directors, and other current and future principals of our Investment Adviser serve or may serve as investment advisers, officers, directors or principals of entities or investment funds that operate in the same or a related line of business as we do and/or investment funds, accounts and other similar arrangements advised by Carlyle. An affiliated investment fund, account or other similar arrangement currently formed or formed in the future and managed by our Investment Adviser or its affiliates may have overlapping investment objectives

We have established, and may in the future establish, strategic relationships that may diversify our product offering, increase our scale, enhance our origination capabilities or provide other benefits. To this end, in early 2016, we and Credit Partners USA LLC (“Credit Partners”), a wholly owned subsidiary of PSP Investments Holding USA LLC, an affiliate of a large Canadian pension fund, agreed to co-invest through Credit Fund, a joint venture primarily focused on investing in first lien loans to middle market companies. Since its inception and through December 31, 2020,2021, Credit Fund has invested in over $2.6$3.1 billion (before any repayments or exits) of senior secured loans. We and Credit Partners each have 50% economic ownership of Credit Fund and have commitments to fund, from time to time, capital of up to $250 million each. Additionally, in November 2020, we and Cliffwater Corporate Lending Fund ("CCLF"(“CCLF”), an investment vehicle managed by Cliffwater LLC, agreed to co-invest through Middle Market Credit Fund II, LLC ("(“Credit Fund II"II”), a joint venture primarily focused on investing in senior secured loans of middle market companies. The initial portfolio of Credit Fund II was comprised predominantly of senior secured loans contributed by TCG BDC. We and CCLF have 84.13% and 15.87% ownership in Credit Fund II, respectively.

Competitive Strengths

Market Opportunity

We believe the middle market lending environment provides attractive investment opportunities as a result of a combination of the following factors:

Investment Strategy

for each transaction, which tracks financial performance, covenant compliance, follow-on transactions and amendments, and real-time updates to internal risk ratings based on qualitative and quantitative factors. The portfolio management process involves a variety of ongoing and scheduled reviews that allow for early detection of issues and escalation to the Investment Committee and workout team to avoid credit losses. This process includes detailed portfolio dashboard updates, monthly reviews of watch list credits, quarterly meetings to conduct formal portfolio reviews, focused on technical analysis of financial performance and portfolio diversification, and ongoing ad-hoc meetings to handle borrower-specific requests, including follow-on transactions and amendments. Our

As of December 31, 20202021 and 2019,2020, the fair value of our investments was approximately $1,826$1,913 million and $2,124$1,826 million, respectively, in 117 and 112117 portfolio companies/investment fund,funds, respectively. The type, geography and industry

Allocation of Investment Opportunities and Potential Conflicts of Interest

An affiliated investment fund, account or other similar arrangement currently formed or formed in the future and managed by our Investment Adviser or its affiliates may have overlapping investment objectives and strategies with our own and, accordingly, may invest in asset classes similar to those targeted by us. This creates potential conflicts in allocating investment opportunities among us and such other investment funds, accounts and similar arrangements, particularly in circumstances where the availability or liquidity of such investment opportunities is limited or where co-investments by us and other funds, accounts or arrangements are not permitted under applicable law, as discussed below.

For example, Carlyle sponsors several investment funds, accounts and other similar arrangements, including, without limitation, structured credit funds, closed-end registered investment companies, BDCs, carry funds, and managed accounts and structured credit funds it may sponsor in the future. The SEC has granted us exemptive relief that permits us and certain of our affiliates to co-invest in suitable negotiated investments (the “Exemptive Relief”). If Carlyle is presented with investment opportunities that generally fall within our investment objective and other board-established criteria and those of other Carlyle funds, accounts or other similar arrangements (including other existing and future affiliated BDCs) whether focused on a debt

Because we are a BDC, we are not generally permitted to make loans to companies controlled by Carlyle or other funds managed by Carlyle.

We are also not permitted to make any co-investments with clients of our Investment Adviser or its affiliates (including any fund managed by Carlyle) without complying with our Exemptive Relief, subject to certain exceptions, including with respect to our downstream affiliates. Co-investments made under the Exemptive Relief are subject to compliance with the conditions and other requirements contained in the Exemptive Relief, which could limit our ability to participate in a co-investment transaction. We may also co-invest with funds managed by Carlyle or any of its downstream affiliates, subject to compliance with applicable law and regulations, existing regulatory guidance, and our Investment Adviser’s and Carlyle’s other allocation policies and procedures.

While Carlyle and our Investment Adviser seek to implement their respective allocation processes in a fair and equitable manner under the particular circumstances, there can be no assurance that it will result in equivalent allocation of or participation in investment opportunities or equivalent performance of investments allocated to us as compared to the other entities. In some cases, due to information barriers that are in place, we and other Carlyle investment funds, accounts or other similar arrangements may compete with each other for specific investment opportunities without being aware that they are competing with each other. Carlyle has a conflict system in place above these information barriers to identify potential conflicts early in the process and determine if an allocation decision needs to be made or if an investment is precluded. If the conflicts system detects a potential conflict, the legal and compliance departments of Carlyle assess investment opportunities to determine whether a particular investment opportunity is required to be allocated to a particular investment fund, account or other similar arrangement (including us) or is prohibited from being allocated to a particular investment fund, account or similar arrangement. Subject to a determination by the legal and compliance departments (if applicable), portfolio management teams and, as applicable, the Investment Adviser's allocation committees, are then charged with ensuring that investment opportunities are allocated to the appropriate investment fund, account or similar arrangement in accordance with our Investment Adviser's allocation policies and procedures. In addition, in some cases Carlyle and our Investment Adviser may make investment recommendations to investment funds, accounts and other similar arrangements where the investment funds, accounts and other similar arrangements make the investment independently of Carlyle and our Investment Adviser. As a result, there are circumstances where investments appropriate for us are instead allocated, in whole or in part, to such other investment funds, accounts or other similar arrangements irrespective of our Investment Adviser’s and Carlyle’s other policies and procedures regarding allocation of investments. Where Carlyle otherwise has discretion to allocate investment opportunities among various funds, accounts and other similar arrangements, it should be noted that Carlyle may determine to allocate such investment opportunities away from us.

During periods of unusual market conditions, our Investment Adviser may deviate from its normal trade allocation practices. For example, this may occur with respect to the management of unlevered and/or long-only investment funds, accounts or similar arrangements that are typically managed on a side-by-side basis with levered and/or long-short investment funds, accounts or similar arrangements.

Election to be Taxed as a RIC

We have elected to be treated, and intend to continue to qualify annually, as a RIC for U.S. federal income tax purposes under Subchapter M of the Code. As a RIC, we generally will not pay corporate-level U.S. federal income taxes on any net ordinary income or capital gains that we timely distribute to our stockholders as dividends. Instead, dividends we distribute generally will be taxable to the holders of our common stock, and any net operating losses, foreign tax credits and other tax attributes may not pass through to the holders of our common stock. To qualify as a RIC, we must, among other things, meet certain source-of-income and asset diversification requirements (as described below). In addition, we must distribute to our stockholders on an annual basis at least 90% of our investment company taxable income (generally, our net ordinary income plus the excess of our realized net short-term capital gains over realized net long-term capital losses, determined without regard to the dividends paid deduction) for any taxable year (the “Annual Distribution Requirement”). The following discussion assumes that we qualify as a RIC and have satisfied the Annual Distribution Requirement. If we (1) qualify as a RIC, and (2) satisfy the Annual Distribution Requirement, then we are not subject to U.S. federal income tax on the portion of our net taxable income we distribute (or are deemed to distribute) to stockholders. We are subject to U.S. federal income tax at regular corporate rates on any income or capital gains not distributed (or deemed distributed) to our stockholders.

Regulation

We have elected to be regulated as a BDC under the Investment Company Act and have elected to be treated as a RIC under the Code. A BDC must be organized in the United States for the purpose of investing in or lending to primarily private companies and making significant managerial assistance available to them. A BDC may use capital provided by public stockholders and from other sources to make long-term, private investments in businesses. A publicly-traded BDC provides stockholders with the ability to retain the liquidity of a publicly traded stock while sharing in the possible benefits, if any, of investing in primarily privately owned companies.

As a BDC, we generally have to invest at least 70% of our total assets in “qualifying assets,” including securities and indebtedness of private U.S. companies and certain public U.S. companies, cash, cash equivalents, U.S. government securities and high-quality debt investments that mature in one year or less. We also may invest up to 30% of our portfolio in non-qualifying assets, as permitted by the Investment Company Act. Specifically, as part of this 30% basket, we may invest in entities that are not considered “eligible portfolio companies” (as defined in the Investment Company Act), including companies located outside of the United States, entities that are operating pursuant to certain exceptions under the Investment Company Act, and publicly traded entities whose public equity market capitalization exceeds the levels provided for under the Investment Company Act.

Temporary Investments

Pending investment in other types of “qualifying assets,” as described above, our investments may consist of cash, cash equivalents, U.S. government securities or high-quality debt securities maturing in one year or less from the time of investment, which we refer to, collectively, as “temporary investments,” so that 70% of our assets are qualifying assets. We may also invest in U.S. Treasury bills or in repurchase agreements, provided that such agreements are fully collateralized by cash or securities issued by the U.S. government or its agencies. A repurchase agreement involves the purchase by an investor, such as us, of a specified security and the simultaneous agreement by the seller to repurchase it at an agreed-upon future date and at a price which is greater than the purchase price by an amount that reflects an agreed-upon interest rate. There is no percentage restriction on the proportion of our assets that may be invested in such repurchase agreements. However, if more than 25% of our gross assets constitute repurchase agreements from a single counterparty, we would not meet the diversification tests in order to qualify as a RIC. Thus, we do not intend to enter into repurchase agreements with a single counterparty in excess of this limit. Our Investment Adviser will monitor the creditworthiness of the counterparties with which we enter into repurchase agreement transactions.

We have adopted a code of ethics pursuant to Rule 17j-1 under the Investment Company Act and our Investment Adviser has adopted a code of ethics pursuant to Rule 17j-1 under the Investment Company Act and Rule 204A-1 under the Advisers Act, respectively (collectively, the “Rule 17j-1 Codes of Ethics”), which establish procedures for personal investments and restricts certain transactions and apply to, among others, our Chief Executive Officer and Chief Financial Officer. The Rule 17j-1Codes of Ethics generally do not permit investments by personnel subject to them in securities that may be purchased or sold by us. The Rule 17j-1 Code of Ethics are filed with the SEC (www.sec.gov).

We have also adopted a Code of Ethics for Principal Executive and Senior Financial Officers under the Sarbanes-Oxley Act of 2002 (the “SOX Code of Ethics”), which applies to, among others, our Chief Executive Officer and Chief Financial Officer. The SOX Code of Ethics is available free of charge on our website (http://www.tcgbdc.com).

There have been no material changes to the Rule 17j-1 Code of Ethics or the SOX Code of Ethics or material waivers of the code that apply to our Chief Executive Officer or Chief Financial Officer.

We and our Investment Adviser have each adopted and implemented written policies and procedures reasonably designed to detect and prevent violation of the federal securities laws and are required to review these compliance policies and procedures annually for their adequacy and the effectiveness of their implementation. Our Chief Compliance Officer is responsible for administering these policies and procedures.

The Sarbanes-Oxley Act of 2002, as amended (the “Sarbanes-Oxley Act”) imposes a wide variety of regulatory

We have delegated our proxy voting responsibility to our Investment Adviser. The proxy voting policies and procedures of our Investment Adviser are set forth below. These guidelines are reviewed periodically by our Investment Adviser and our Independent Directors, and, accordingly, are subject to change.

We endeavor to maintain the privacy of our stockholders and to safeguard their non-public personal information. The following information is provided to help stockholders understand what non-public personal information we collect, how we protect that information and why, in certain cases, we may share that information with select other parties.

Our shares of common stock began trading on the Nasdaq Global Select Market under the symbol “CGBD” on June 14, 2017. As a listed company on the Nasdaq Global Select Market, we are subject to various listing standards including corporate governance listing standards. We monitor our compliance with all listing standards and take actions necessary to ensure that we are in compliance therewith.

We furnish our stockholders with annual reports containing audited financial statements, quarterly reports, and such other periodic reports as we determine to be appropriate or as may be required by law. We are required to comply with all periodic reporting, proxy solicitation and other applicable requirements under the Exchange Act.

Competition

Our primary competitors in providing financing to middle market companies include public and private funds, other BDCs, commercial and investment banks, collateralized loan obligations, commercial finance companies and, to the extent they provide an alternative form of financing, private equity and hedge funds. Many of our potential competitors are substantially larger and have considerably greater financial, technical and marketing resources than we do. For example, some competitors may have a lower cost of funds and access to funding sources that will not be available to us. In addition, some of our competitors may have higher risk tolerances or different risk assessments than we do, which could allow them to consider a wider variety of investments and establish more relationships than us. Furthermore, many of our competitors are not subject to the regulatory restrictions that the Investment Company Act and the Code impose on us. We cannot assure you that the competitive pressures we will face will not have a material adverse effect on our business, financial condition and results of operations. Also, as a result of this competition, we may not be able to take advantage of attractive investment opportunities from time to time, and we can offer no assurance that we will be able to identify and make investments that are consistent with our investment objective.

We do not currently have any employees. Our Chief Financial Officer, a Managing Director of Carlyle, Treasurer and Principal Accounting Officer, a PrincipalManaging Director of Carlyle, and our Chief Compliance Officer and Secretary, a Vice PresidentManaging Director of Carlyle, are retained by our Administrator pursuant to the Carlyle Sub-Administration Agreement. Each of these professionals performs their respective functions for us under the terms of our Administration Agreement.

Item 1A. Risk Factors

Risks Related to Our Investments

Our investments are risky and speculative.

We invest primarily in loans to middle market companies whose debt, if rated, is rated below investment grade and, if not rated, would likely be rated below investment grade if it were rated. Investments rated below investment grade are generally considered higher risk than investment grade instruments. Bonds that are rated below investment grade are sometimes referred to as “high yield bonds” or “junk bonds.” Exposure to below investment grade instruments involves certain risks, including speculation with respect to the borrower’s capacity to pay interest and repay principal. In our first lien loans, the fact that a loan is secured does not guarantee that we will receive principal and interest payments according to the loan’s terms, or at all, or that

Our portfolio securities are generally illiquid and typically do not have a readily available market price and, in such a case, we will value these securities at fair value as determined in good faith under procedures adopted by our Board of Directors or its designee, which valuation is inherently subjective and may not reflect what we may actually realize from the sale of the investment.

Substantially all of our portfolio investments are in the form of debt investments that are not publicly traded and are illiquid compared to publicly traded securities, and there can be no assurance that we will be able to realize returns on such investments in a timely manner. The fair value of these illiquid portfolio securities is not readily determinable, and the due diligence process that our Investment Adviser undertakes in connection with our investments may not reveal all the facts that may be relevant in connection with such investment. We value these investments on at least a quarterly basis in accordance with our valuation policy, which is at all times consistent with accounting principles generally accepted in the United States (“USU.S. GAAP”). Our Board of Directors utilizes the services of a third-party valuation firm to aid it in determining the fair value of these investments as well as the recommendations of our Investment Adviser’s investment professionals, which are based upon the most recent portfolio company financial statements available and projected financial results of each portfolio company. The Board of Directors discusses valuations and determines, or will designate our Investment Adviser to determine, the fair value in good faith based on the input of our Investment Adviser (if not the Board's designee) and the third-party valuation firm. The participation of our Investment Adviser in our valuation process, and the indirect pecuniary interest in our Investment Adviser by the Interested Directors on our Board of Directors, could result in a conflict of interest, because the management fee is based on our gross assets and also because our Investment Adviser is receiving performance-based incentive fees.

We operate in a highly competitive market for investment opportunities, and compete with investment vehicles sponsored or advised by our affiliates.

The activity of identifying, completing and realizing attractive investments is highly competitive and involves a high degree of uncertainty. The availability of investment opportunities generally will be subject to market conditions. In particular, in light of changes in such conditions, including changes in long-term interest rates, certain types of investments may not be available to us on terms that are as attractive as the terms on which opportunities were available to previous investment programs sponsored by Carlyle. A number of entities, including BDCs managed by our Investment Adviser or an affiliate, compete with us to make the types of investments that we target in middle market companies. We compete with other BDCs, public and private funds, commercial and investment banks, commercial finance companies, and, to the extent they provide an alternative form of financing, private equity funds, some of which are affiliates of us. Furthermore, over the past several years, an ever-increasing number of debt and credit opportunities funds have been formed and many such existing funds have grown substantially in size. Additional funds with similar objectives may be formed in the future by Carlyle or by other unrelated parties. Many of our competitors are substantially larger and have considerably greater financial, technical and marketing resources than we do. Consequently, it is possible that competition for appropriate investment opportunities may increase, thus reducing the number of investment opportunities available to us and adversely affecting the terms upon which investments can be made. Furthermore, many of our competitors are not subject to the regulatory restrictions that the Investment Company Act and the Code impose on us. The competitive pressures we face may have a material adverse effect on our business, financial condition and results of operations. As a result of this competition, we may not be able to take advantage of attractive investment opportunities from time to time, and, accordingly, we may incur legal, due diligence and other costs on investments which may not be successful and we may not recover all of our costs, which would adversely affect returns. We can offer no assurance that we will be able to identify and make investments that are consistent with our investment objective.

Our portfolio companies may be highly leveraged.

Some of our portfolio companies are highly leveraged, which may have adverse consequences to these companies and to us as an investor. These companies may be subject to restrictive financial and operating covenants and the leverage may

Depending on the facts and circumstances of our investments and the extent of our involvement in the management of a portfolio company, upon the bankruptcy of a portfolio company, a bankruptcy court may recharacterize our debt investments as equity interests and subordinate all or a portion of our claim to that of other creditors. This could occur even though we may have structured our investment as senior debt.

Our portfolio companies may incur debt that ranks equally with, or senior to, some of our investments in such companies and if there is a default, we may experience a loss on our investment.

To the extent we invest in second lien, mezzanine or other instruments, our portfolio companies typically may be permitted to incur other debt that ranks equally with, or senior to, such debt instruments. By their terms, such debt instruments may provide that the holders are entitled to receive payment of interest or principal on or before the dates on which we will be entitled to receive payments in respect of the debt securities in which we invest. Also, in the event of insolvency, liquidation, dissolution, reorganization or bankruptcy of a portfolio company, holders of debt instruments ranking senior to our investment in that portfolio company would typically be entitled to receive payment in full before we receive any distribution in respect of our investment. In such cases, after repaying such senior creditors, such portfolio company may not have sufficient remaining assets to use for repaying its obligation to us. In the case of debt ranking equally with debt securities in which we invest, we would have to share on an equal basis any distributions with other creditors holding such debt in the event of an insolvency, liquidation, dissolution, reorganization or bankruptcy of the relevant portfolio company.