EXHIBIT 99.1 Upland Software Reports Fourth Quarter 2023 Financial Results February 22, 2024, 04:01 PM Eastern Standard Time AUSTIN, Texas--(BUSINESS WIRE)-- Upland Software, Inc. (Nasdaq: UPLD), a leader in cloud-based tools for digital transformation, today announced financial and operating results for the fourth quarter 2023 and issued guidance for its first quarter and full year of 2024. Fourth Quarter 2023 Financial Highlights • Total revenue was $72.2 million, a decrease of 8% from $78.8 million in th ...