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Synta, Madrigal Announce Merger

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Synta Pharmaceuticals and Madrigal Pharmaceuticals have announced that they have entered into a definitive merger agreement (the “Merger”) under which Madrigal will merge with a wholly-owned subsidiary of Synta in an all-stock transaction. The Merger will create a company focused on the development of novel small-molecule drugs addressing major unmet needs in cardiovascular-metabolic diseases and non-alcoholic steatohepatitis (NASH). Madrigal’s lead compound, MGL-3196, is a Phase 2-ready once-daily, oral, liver-directed selective thyroid hormone receptor-ß (THR-ß) agonist for the treatment of NASH and heterozygous and homozygous familial hypercholesterolemia (HeFH, HoFH). Upon closing of the transaction, the combined company will be named Madrigal Pharmaceuticals, and Paul A. Friedman, M.D. will become Chairman and Chief Executive Officer. 

Under the terms of the merger agreement, Synta will acquire all outstanding shares of Madrigal in exchange for approximately 253.9 million newly issued shares of Synta common stock. Upon completion of the proposed acquisition, it is anticipated that existing Synta shareholders will own 36.0% of the combined company and Madrigal shareholders will own 64.0% of the combined company. The transaction has been approved by the boards of directors of both companies and the shareholders of Madrigal. The merger is expected to close by the end of the third quarter of 2016, subject to customary closing conditions, including approval of the merger by the shareholders of Synta.

An investor syndicate that includes Bay City Capital, Fred Craves, Ph.D., Founder of Bay City Capital, and SQN LLC, a corporation held by Dr. Friedman and Rebecca Taub, M.D., has committed to invest up to $9 million in Madrigal prior to the closing of the Merger. The combined company intends to use these proceeds, in addition to Synta’s cash balance at the closing of the merger, to fund the development of MGL-3196 through Phase 2 clinical studies in NASH, HeFH and HoFH. 

“Following an extensive review of strategic alternatives, Synta’s Board of Directors believes that a merger with Madrigal Pharmaceuticals offers shareholders the most compelling opportunity for enhancing long-term value,” said Keith R. Gollust, Chairman of Synta. “Madrigal’s lead compound, MGL- 3196, is a selective THR-ß agonist with a unique lipid lowering profile that has been validated through early clinical and preclinical studies. The combined company will be well capitalized with a lead program that offers both a potentially substantial commercial opportunity in NASH, and an efficient clinical development plan with commercial potential in genetic lipid disorders.” 

“MGL-3196 is designed to specifically target thyroid hormone beta receptors in the liver involved in metabolism and cholesterol regulation, and avoid side effects associated with thyroid hormone receptor activation outside the liver,” said Dr. Taub, Founder and Chief Executive Officer of Madrigal. “As a result, and because of MGL-3196’s observed high liver uptake and high ß-selectivity, it has a favorable safety profile and did not show adverse findings observed in chronic animal toxicology studies with a prior thyroid agonist. Madrigal has designed Phase 2 clinical programs to establish proof of concepts in both NASH and FH with data readouts for each program anticipated throughout 2017.”