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© 2025 Broadridge Financial Solutions, Inc., Broadridge and the Broadridge logo are registered trademarks of Broadridge Financial Solutions, Inc. Broadridge.com CONFIDENTIAL INFORMATION Solicitation Script (Inbound and Outbound) CLIENT NAME: PORTMAN RIDGE FINANCE CORPORATION MEETING DATE: JUNE 20, 2025 Dedicated Toll-Free Number: 1-833-218-3911 INBOUND GREETING: Thank you for calling the Broadridge Proxy Services Center for the PORTMAN RIDGE FINANCE CORPORATION. My name is <Agent Name>. How may I assist you today? GENERAL OUTBOUND GREETING: Good day, may I please speak with Mr./Ms. <full name as it appears on registration>? Hello Mr./Ms. <Shareholder’s Last Name>. My name is <agent name> and I am a proxy voting specialist calling on a recorded line on behalf of PORTMAN RIDGE FINANCE CORPORATION to confirm you have received the proxy materials for the special meeting of shareholders scheduled for JUNE 20, 2025. Have you received proxy materials? NEAR MEETING DATE OUTBOUND GREETING: Good day, may I please speak with Mr./Ms. <full name as it appears on registration>? Hello Mr./Ms. <Shareholder’s Last Name>. My name is <agent name> and I am a proxy voting specialist calling on a recorded line on behalf of PORTMAN RIDGE FINANCE CORPORATION to confirm you have received the proxy materials for the special meeting of shareholders scheduled in just a few days on JUNE 6, 2025. Have you received proxy materials? ADJOURNMENT OUTBOUND GREETING: Good day, may I please speak with Mr./Ms. <full name as it appears on registration>? Hi Mr. /Ms. <Shareholder’s Last Name>, my name is <Agent Name> and I am a proxy voting specialist calling on a recorded line on behalf of your current investment with PORTMAN RIDGE FINANCE CORPORATION. Due to the lack of shareholder participation, special Meeting of Shareholders has been adjourned to <date/time>. Have you received proxy materials? VOTING: Your Board recommends that you vote ”FOR” of the proposal(s). Would you like to vote along with the recommendations of the Board for all of your accounts? Thank you, I am recording your <for, against, abstain> vote. For confirmation purposes, please state your full name. And according to our records, you currently reside in <read street address, city, and state > is that correct? For confirmation purposes, please state your zip code.

© 2025 Broadridge Financial Solutions, Inc., Broadridge and the Broadridge logo are registered trademarks of Broadridge Financial Solutions, Inc. Broadridge.com CONFIDENTIAL INFORMATION Thank you. You will receive a confirmation of your voting instructions within 5 days. If you have any questions, please contact us at this toll-free number 833-218-3911. Mr./Ms. <Shareholder’s Last Name>, your vote is important, and your time is appreciated. Thank you and have a good <day, evening, night>. IF UNSURE OF VOTING OR DOES NOT WANT TO VOTE ALONG WITH THE RECOMMENDATION OF THE BOARD: Would you like me to review the proposal(s) with you? <After review, ask them if they would like to vote now over the phone>. IF NOT RECEIVED/REQUESTING MATERIAL TO BE RE-MAILED: I can resend the proxy materials to you, or I can review the proposal(s)with you and record your vote immediately by phone. <Pause for response> AFTER REVIEW, ASK THEM IF THEY WOULD LIKE TO VOTE NOW OVER THE PHONE: Your Board recommends that you vote “FOR” the proposal(s). Would you like to vote along with the recommendations of the Board for all your accounts? IF THEY DON’T WANT PROPOSAL(S) REVIEWED: Do you have an email address this can be sent to? <If yes, enter the email address in the notes and read it back phonetically to the shareholder.> Thank you. You should receive the proxy materials shortly and the materials will inform you of the methods available to cast your vote, one of which is to call us back at 833-218-3911. IF NOT INTERESTED: I am sorry for the inconvenience. Please be aware that as a shareholder, your vote is very important. Please fill out and return your proxy card at your earliest convenience. If you would rather not do that, you can always vote via the other methods outlined in the proxy materials. Thank you again for your time today and have a wonderful day/evening. VOTING (ANY VOTE NEEDED): Your Board recommends that you vote “FOR” the proposal(s), or you may choose to vote Against or Abstain and help the company reach quorum. How would you like to vote on your accounts today? And this (for/against/abstain) vote will be for all of your accounts accordingly?

© 2025 Broadridge Financial Solutions, Inc., Broadridge and the Broadridge logo are registered trademarks of Broadridge Financial Solutions, Inc. Broadridge.com CONFIDENTIAL INFORMATION REGISTERED HOLDER WANTS A NEW PROXY CARD/OR THEIR CONTROL NUMBER : <send complete contact information name, address, control #, & shares to Broadridge>: Your control number can be found on your proxy card. I can arrange to have a new proxy card sent to you. However, I can record your voting instructions right now so that it will be represented at the upcoming meeting. Your Board recommends that you vote “FOR” the proposal(s). Would you like to vote along with the recommendations of the Board for all your accounts? BENEFICIAL HOLDER WANTS A NEW VIF/OR THEIR CONTROL NUMBER: Your control number can be found on your Vote Instruction Form. You can contact your broker/financial advisor and they can arrange to have a new voting instruction form sent to you. However, I can record your voting instructions right now so that it will be represented at the upcoming meeting. Your Board recommends that you vote “FOR” the proposal(s). Would you like to vote along with the recommendations of the Board for all your accounts? ANSWERING MACHINE MESSAGE: Hello, my name is <Agent Name> and I am a proxy voting specialist calling on behalf of PORTMAN RIDGE FINANCE CORPORATION. You should have received proxy material electronically or in the mail concerning the special Meeting of Shareholders to be held on JUNE 20, 2025. Your vote is very important. Please sign, date and promptly mail your proxy card in the postage-paid envelope provided. Internet and telephone voting are also available. To vote over the Internet please follow the instructions provided in the proxy materials. If you have any questions, would like to vote over the telephone or need new proxy materials, call toll-free at 833-218-3911 and a proxy voting specialist will assist you. Specialists are available Monday through Friday, 9AM to 10PM Eastern Time. Voting takes just a few moments and will benefit all shareholders. Thank you for your prompt attention to this matter. AUTOMATED ANSWERING MACHINE MESSAGE (ONLY ON LANDLINES): Hello, this is the Broadridge Proxy Services Center calling with an important message on behalf of PORTMAN RIDGE FINANCE CORPORATION. You should have received proxy material electronically or in the mail concerning the special Meeting of Shareholders to be held on JUNE 20, 2025. Your vote is very important. Please sign, date, and promptly mail your proxy card in the postage-paid envelope provided. Internet and telephone voting are also available. To vote over the Internet please follow the instructions provided in the proxy materials. If you have any questions, would like to vote over the telephone or need new proxy materials, call toll-free at 833-218-3911 and a proxy voting specialist will assist you. Specialists are available Monday through Friday, 9AM to 10PM Eastern Time. Voting takes just a few moments and will benefit all shareholders. Thank you for your prompt attention to this matter.

© 2025 Broadridge Financial Solutions, Inc., Broadridge and the Broadridge logo are registered trademarks of Broadridge Financial Solutions, Inc. Broadridge.com CONFIDENTIAL INFORMATION PRE-RECORDED MESSAGES – CANNOT BE UPDATED INBOUND - CLOSED RECORDING: Thank you for calling the Broadridge Proxy Services Center. Our offices are now closed. Please call us back during our normal business hours which are, Monday through Friday, 9AM to 10PM Eastern Time. Thank you. INBOUND - CALL IN QUEUE MESSAGE: Thank you for calling the Broadridge Proxy Services Center. Our proxy specialists are currently assisting other callers. Your call is important to us. Please continue to hold and your call will be answered in the order it was received. END OF CAMPAIGN MESSAGE: Thank you for calling the Broadridge Proxy Services Center. The meeting has been held and as a result, this toll-free number is no longer in service for proxy related calls. If you have questions regarding your investment, please contact your investment professional. Thank you. Call Center Hours of Operation: Monday through Friday, 9AM to 10PM Eastern Time (ET).

Some of the statements in this communication constitute forward-looking statements because they relate to future events, future performance or financial condition. The forward-looking statements may include statements as to future operating results of PTMN and LRFC, and distribution projections; business prospects of PTMN and LRFC, and the prospects of their portfolio companies; and the impact of the investments that PTMN and LRFC expect to make. In addition, words such as “anticipate,” “believe,” “expect,” “seek,” “plan,” “should,” “estimate,” “project” and “intend” indicate forward-looking statements, although not all forward-looking statements include these words. The forward-looking statements contained in this communication involve risks and uncertainties. Certain factors could cause actual results and conditions to differ materially from those projected, including the uncertainties associated with (i) the ability of the parties to consummate the merger on the expected timeline, or at all; (ii) the expected synergies and savings associated with the merger; (iii) the ability to realize the anticipated benefits of the merger, including the expected elimination of certain expenses and costs due to the merger; (iv) the percentage of PTMN shareholders and LRFC shareholders voting in favor of the applicable Proposal (as defined below) submitted for their approval; (v) the possibility that competing offers or acquisition proposals will be made; (vi) the possibility that any or all of the various conditions to the consummation of the merger may not be satisfied or waived; (vii) risks related to diverting management’s attention from ongoing business operations; (viii) the combined company’s plans, expectations, objectives and intentions, as a result of the merger; (ix) any potential termination of the merger agreement; (x) the future operating results and net investment income projections of PTMN, LRFC or, following the closing of the merger, the combined company; (xi) the ability of Sierra Crest Investment Management LLC (“Sierra Crest”) to implement its future plans with respect to the combined company; (xii) the ability of Sierra Crest and its affiliates to attract and retain highly talented professionals; (xiii) the business prospects of PTMN, LRFC or, following the closing of the merger, the combined company, and the prospects of their portfolio companies; (xiv) the impact of the investments that PTMN, LRFC or, following the closing of the merger, the combined company expect to make; (xv) the ability of the portfolio companies of PTMN, LRFC or, following the closing of the merger, the combined company to achieve their objectives; (xvi) the expected financings and investments and additional leverage that PTMN, LRFC or, following the closing of the merger, the combined company may seek to incur in the future; (xvii) the adequacy of the cash resources and working capital of PTMN, LRFC or, following the closing of the merger, the combined company; (xviii) the timing of cash flows, if any, from the operations of the portfolio companies of PTMN, LRFC or, following the closing of the merger, the combined company; (xix) the risk that stockholder litigation in connection with the merger may result in significant costs of defense and liability; and (xx) future changes in laws or regulations (including the interpretation of these laws and regulations by regulatory authorities). PTMN and LRFC have based the forward-looking statements included in this document on information available to them on the date hereof, and they assume no obligation to update any such forward-looking statements. Although PTMN and LRFC undertake no obligation to revise or update any forward-looking statements, whether as a result of new information, future events or otherwise, you are advised to consult any additional disclosures that they may make directly to you or through reports that PTMN and LRFC in the future may file with the Securities and Exchange Commission (the “SEC”), including the Registration Statement and Joint Proxy Statement (in each case, as defined below), annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K.

This document relates to the proposed merger of PTMN and LRFC and certain related matters (the “Proposals”). In connection with the Proposals, PTMN has filed a registration statement (Registration No. 333-285230) with the SEC (the “Registration Statement”) that contains a combined joint proxy statement for PTMN and LRFC and a prospectus of PTMN (the “Joint Proxy Statement”) and has mailed the Joint Proxy Statement to its and LRFC’s respective shareholders. The Registration Statement and Joint Proxy Statement will contain important information about PTMN, LRFC and the Proposals. This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended. SHAREHOLDERS OF PTMN AND LRFC ARE URGED TO READ THE REGISTRATION STATEMENT, JOINT PROXY STATEMENT AND OTHER DOCUMENTS THAT ARE FILED OR WILL BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT PTMN, LRFC AND THE PROPOSALS. Investors and security holders will be able to obtain the documents filed with the SEC free of charge at the SEC’s website, http://www.sec.gov or, for documents filed by PTMN, from PTMN’s website at https://www.portmanridge.com, and, for documents filed by LRFC, from LRFC’s website at https://www.loganridgefinance.com.

PTMN, its directors, certain of its executive officers and certain employees and officers of Sierra Crest and its affiliates may be deemed to be participants in the solicitation of proxies in connection with the Proposals. Information about the directors and executive officers of PTMN is set forth in its proxy statement for its 2025 Annual Meeting of Stockholders, which was filed with the SEC on April 29, 2025. LRFC, its directors, certain of its executive officers and certain employees and officers of Mount Logan Management LLC, and its affiliates may be deemed to be participants in the solicitation of proxies in connection with the Proposals. Information about the directors and executive officers of LRFC is set forth in the Annual Report on Form 10-K/A, which was filed with the SEC on April 29, 2025. Information regarding the persons who may, under the rules of the SEC, be considered participants in the solicitation of the PTMN and LRFC shareholders in connection with the Proposals will be contained in the Registration Statement, including the Joint Proxy Statement included therein, and other relevant materials when such documents become available. These documents may be obtained free of charge from the sources indicated above.