Filing by Certain Investment Companies of Rule 482 Advertising in Accordance With Rule 497 and the Note to Rule 482(e) (497ad)

Filed Pursuant to Rule 497(a)

Regulation 333-255573

Rule 482ad

[TEXT OF COMMUNICATION SENT VIA BLOOMBERG]

OFS Capital Corporation (Ticker: OFS) has asked Ladenburg Thalmann, Goldman Sachs & Co. LLC, B. Riley Securities, and Oppenheimer to organize a series of fixed income investor telephonic calls. These calls will take place Tuesday and Wednesday, October 19-20, 2021. Goldman Sachs will be coordinating logistics and a NetRoadshow will be made available. A transaction may follow subject to market conditions.

The Company will be represented by:

Bilal Rashid – Chairman and CEO

Jeffrey Cerny – Chief Financial Officer

Call Schedule: Tuesday October 19, 2021

1:00-1:45pm ET

3:00-3:45pm ET

4:00-4:45pm ET

Call Schedule: Wednesday October 20, 2021

9:00-9:45am ET

10:00-10:45am ET

12:00-12:45pm ET

This announcement is for your information only and is not intended to be distributed to or reviewed by anyone other than you. This announcement does not constitute an offer to sell or a solicitation of an offer to buy securities, nor shall there be any sale of securities in any jurisdiction in which any offer, solicitation or sale would be unlawful prior to registration or qualification of such securities under the securities laws of any such jurisdiction. If a transaction follows, it will be made under OFS Capital Corporation’s registration statement filed with the Securities and Exchange Commission and only by means of a preliminary prospectus supplement and an accompanying prospectus. When available, a copy of the preliminary prospectus supplement, together with an accompanying prospectus, relating to such transaction may be obtained from the Securities and Exchange Commission’s website at www.sec.gov.

Investors are advised to carefully consider the investment objective, risks, charges and expenses of OFS Capital Corporation before investing. When available, a preliminary prospectus supplement, together with an accompanying prospectus, will be filed with the Securities and Exchange Commission, which will contain this and other information about OFS Capital Corporation and should be read carefully before investing.

ANY DISCLAIMERS OR OTHER NOTICES THAT MAY APPEAR BELOW ARE NOT APPLICABLE TO THIS COMMUNICATION AND SHOULD BE DISREGARDED (OTHER THAN ANY STATEMENT RELATING TO THE IDENTITY OF THE LEGAL ENTITY AUTHORIZING OR SENDING THIS COMMUNICATION IN A NON-US JURISDICTION). SUCH DISCLAIMERS OR OTHER NOTICES WERE AUTOMATICALLY GENERATED AS A RESULT OF THIS COMMUNICATION HAVING BEEN SENT VIA BLOOMBERG OR ANOTHER EMAIL SYSTEM.