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Form of Email to Certain Unvoted Non-Objecting Beneficial Owners
(to be personalized with beneficial owners’ information)

Subject:  Time Sensitive - TCPC Proxy Voting Instructions

Dear _____,

According to our latest records, we have not received your voting instructions for the 2018 Annual Meeting of Stockholders of TCP Capital Corp. to be held on June 19, 2018.  Copies of the proxy materials can be found online at http://investors.tcpcapital.com/financial-information/annual-reports.  Your vote is extremely important, no matter how many shares you hold, because TCPC is a widely-held company.

For the reasons set forth in the Proxy Statement dated May 9, 2018, the Board of Directors recommends that you vote “FOR” all Proposals.  [Please note that all three of the leading independent proxy advisory firms, Institutional Shareholder Services (ISS), Glass Lewis and Egan Jones, have recommended voting “FOR” all Proposals.]

Please vote your shares today so TCPC can avoid additional solicitation expenses and potential delays.  If you do not have a copy of your proxy card, you may vote your shares by calling our proxy solicitor, DF King, at (866) 406-2287.  One of their representatives can take your vote over the phone.

Thank you for your trust and continued support,