Exhibit 99.1 NEW YORK, NY, April 29, 2026 / Business Wire - TPG Mortgage Investment Trust, Inc. ("MITT," "we," the "Company," or "our") (NYSE: MITT) today reported financial results for the quarter ended March 31, 2026. MANAGEMENT REMARKS "Despite a challenging macroeconomic backdrop that pressured book values across the industry, our disciplined leverage profile, consistent capital rotation into higher-returning residential investments, and continued focus on scaling profitability at Arc Home produced EAD ...