Exhibit 99.1 Upstart Announces First Quarter 2024 Results SAN MATEO, Calif. – May 7, 2024 – Upstart Holdings, Inc. (NASDAQ: UPST), the leading artificial intelligence (AI) lending marketplace, today announced financial results for its first quarter of fiscal year 2024 ended March 31, 2024. Upstart will host a conference call and webcast at 1:30 p.m. Pacific Time today. An earnings presentation and link to the webcast are available at ir.upstart.com. “We continue to focus on improving our efficiency and fina ...