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.cls-1,.cls-3{fill:#083782;}.cls-2,.cls-3{fill-rule:evenodd;}.cls-2{fill:url(#linear-gradient);} Development Pipeline Tempest is developing a first-in-class oncology pipeline of small molecule therapeutics with broad commercial potential. The product candidates are designed to treat cancer by direct tumor killing, activating tumor-specific immunity, or a combination of both mechanisms. “HCC” hepatocellular carcinoma; “RCC” renal cell carcinoma; “CCA” cholangiocarcinoma; “MSS CRC” microsatellite stable colorectal cancer The protocol for TPST-1495 allows for other tumor types, but the focus will be on MSS-CRC. PROGRAMS TPST-1495 (DUAL EP2/EP4 ANTAGONIST) A first-in-class antagonist selective for two receptors in the prostaglandin (PGE2) pathway, EP2 and EP4. Prostaglandins are expressed by advancing tumors and signaling through both EP2 and EP4 drives both tumor growth and immune suppression. The EP2 and EP4 receptor targets are highly expressed in diverse malignancies, including colorectal, lung, gastric and endometrial cancers. TPST-1495 is progressing through a Phase 1/1b monotherapy study and is expected to begin combination studies in 2021. LEARN MORE TPST-1120 (PPARα ANTAGONIST) A first-in-class antagonist selective for peroxisome proliferator-activated receptor alpha (PPARα). PPARα is a transcription factor that regulates fatty acid oxidation (FAO) and inflammation and is over-expressed in many cancers. Hepatocellular carcinoma (HCC), cholangiocarcinoma (CCA) and renal cell carcinoma (RCC) all express high levels of PPARα and its multiple target genes. TPST-1120 is progressing through a Phase 1/1b study in combination with nivolumab (NCT03829436) and is expected to begin a global randomized Phase Ib/II study in 2021 in combination with atezolizumab (TECENTRIQ®) and bevacizumab (Avastin®) in frontline patients with advanced hepatocellular carcinoma (HCC) pursuant to a collaboration with F. Hoffmann-La Roche Ltd. LEARN MORE TREX-1 (INHIBITOR) A first-in-class inhibitor of the cytosolic dsDNA exonuclease TREX-1, an enzyme that regulates cGAS/STING pathway signaling and immune recognition and has increased expression in tumors. An orally available TREX-1 inhibitor should preferentially localize activation of STING to the tumor microenvironment (TME) and initiate priming of tumor-specific cytolytic T cells broadly across distinct metastatic lesions having unique antigenic repertoires. Tempest is currently advancing the program through lead optimization. LEARN MORE © 2021 Tempest Therapeutics, Inc. All rights reserved. Website Design: Hane Chow, Inc.