Exhibit 99.1 BLACKROCK TCP CAPITAL CORP. ANNOUNCES 2025 FINANCIAL RESULTS INCLUDING FOURTH QUARTER NET INVESTMENT INCOME OF $0.26 PER SHARE; DECLARES A FIRST QUARTER DIVIDEND OF$0.17 PER SHARE SANTA MONICA, Calif., February 27, 2026 - BlackRock TCP Capital Corp. ("we," "us," "our," "TCPC" or the "Company"), a business development company (NASDAQ: TCPC), today announced its financial results for the fourth quarter and year ended December 31, 2025 and filed its Form 10-K with the U.S. Securities and Exchange ...