Oaktree Specialty Lending (OCSL) 8-K Entry into a Material Definitive Agreement

Exhibit 3.1

CERTIFICATE OF AMENDMENT

TO THE

RESTATED CERTIFICATE OF INCORPORATION

OF

FIFTH STREET FINANCE CORP.

Fifth Street Finance Corp. (the “Corporation”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify as follows:

FIRST: The Corporation’s Restated Certificate of Incorporation is hereby amended by replacing Article I thereof with the following:

The name of the corporation is Oaktree Specialty Lending Corporation (the “Corporation”).

SECOND: This amendment shall be effective upon its filing.

THIRD: The Corporation’s original Certificate of Incorporation was filed with the Secretary of State of the State of Delaware on October 9, 2007.

FOURTH: The foregoing amendment has been duly adopted by the Board of Directors in accordance with the provisions of Section 242 of the DGCL.

IN WITNESS WHEREOF, Fifth Street Finance Corp. has caused this Certificate of Amendment to the Restated Certificate of Incorporation to be signed by its Chief Executive Officer this 17th day of October, 2017.

/s/ Mathew M. Pendo

Name: Mathew M. Pendo

Office: Chief Operating Officer

[Amendment to the Restated Certificate of Incorporation]