PTMN Portman Ridge Finance Corporation

Portman Ridge Finance Corporation (Nasdaq: PTMN) (“Portman Ridge” or the “Company”) to release its financial results for the fourth quarter and full year ended December 31, 2024, on Thursday, March 13, 2025, after market close. The Company will host a conference call on Friday, March 14, 2025, at 10:30 a.m. ET to discuss these results.

By Phone: To access the call, please dial (646) 968-2525 approximately 10 minutes prior to the start of the conference call and use the conference ID 4473265.

A replay of this conference call will be available shortly after the live call through March 21, 2025.

By Webcast: A live audio webcast of the conference call can be accessed via the Internet, on a listen-only basis at https://edge.media-server.com/mmc/p/4vkehc2n. The online archive of the webcast will be available on the Company’s website shortly after the call at www.portmanridge.com in the Investor Relations section under Events and Presentations.

About Portman Ridge Finance Corporation

Portman Ridge Finance Corporation (Nasdaq: PTMN) is a publicly traded, externally managed investment company that has elected to be regulated as a business development company under the Investment Company Act of 1940. Portman Ridge’s middle market investment business originates, structures, finances and manages a portfolio of term loans, mezzanine investments and selected equity securities in middle market companies. Portman Ridge’s investment activities are managed by its investment adviser, Sierra Crest Investment Management LLC, an affiliate of BC Partners Advisors, LP.

Portman Ridge’s filings with the Securities and Exchange Commission (the “SEC”), earnings releases, press releases and other financial, operational and governance information are available on the Company's website at www.portmanridge.com.

Contacts:Portman Ridge Finance Corporation

650 Madison Avenue, 3rd floorNew York, NY 10022info@portmanridge.com

Brandon SatorenChief Financial OfficerBrandon.Satoren@bcpartners.com (212) 891-2880

The Equity Group Inc.Lena Catilcati@equityny.com (212) 836-9611

The Equity Group Inc.Val Ferrarovferraro@equityny.com (212) 836-9633