FSSL 2025 proxy voice messages Voice message #1: Reminder to vote Hi, I’m calling on behalf of your investment in FS Specialty Lending Fund, formerly FS Energy & Power Fund. We haven’t received your vote on the current proxy campaign. Your vote matters, regardless of the number of shares you own. . You can vote right now by pressing [1]. If I’ve reached your voicemail, please call 1-844-202-3147 to vote today. Thank you for your time and for your vote. Your participation is very important to the future of FS Specialty Lending Fund.

Voice message #2: Deadline approaching Hi, I’m calling on behalf of your investment with FS Specialty Lending Fund, formerly FS Energy & Power Fund. We still haven’t received your vote on the proxy proposals outlined in the materials we sent. This is a final reminder to vote before the special shareholder meeting. The meeting is only days away. Please press [1] to vote now. If I’ve reached your voicemail, please call 1-844-202-3147 today to vote in favor of the proposals. Thank you for your time and your vote. Your participation is very important to the future of FS Specialty Lending Fund.