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30 Jul 2017

Infinity Amends PI3K-Delta,Gamma Agreement with Takeda Oncology

Infinity Pharmaceuticals, Inc., an innovative biopharmaceutical company, has amended its license agreement with Takeda Oncology for IPI-549, Infinity’s potentially first-in-class immuno-oncology product candidate that selectively inhibits phosphoinositide-3-kinase gamma (PI3K-gamma).

Under the amended agreement, Infinity will no longer have an obligation to pay Takeda future royalties on worldwide net sales of selective inhibitors of PI3K-gamma, including IPI-549.

In exchange for eliminating the royalty obligation, Infinity issued to Takeda an unsecured $6.0 million convertible note that matures on July 27, 2018, and accrues interest at an annual rate of eight percent. The company is obligated to pay the principal amount together with any accrued interest on or before the maturity date in cash or in shares of Infinity common stock, at the election of Takeda. The share payment price would equal the average closing price of Infinity’s common stock for the 20 days prior to the payment date.

Infinity remains obligated to pay development, regulatory and commercial milestones to Takeda for IPI-549. The remaining milestones comprise up to a total of $5 million in development milestones, up to $50 million in success-based regulatory milestones, and up to $115 million in commercial milestones, which are due once certain sales thresholds have been met.

Under a previous agreement, Infinity is obligated to pay Mundipharma International Corporation Limited and Purdue Pharmaceutical Products L.P. a four percent royalty in the aggregate on worldwide net sales of IPI-549, which steps down to one percent in the US after a certain sales threshold is met.

IPI-549 is an investigational, orally administered immuno-oncology development candidate that selectively inhibits PI3K-gamma. In preclinical studies, IPI-549 reprograms macrophages from a pro-tumor to an anti-tumor phenotype and is able to overcome resistance to checkpoint inhibition. As such, IPI-549 may have the potential to treat a broad range of solid tumors and represents a potentially complementary approach to restoring anti-tumor immunity in combination with other immunotherapies such as checkpoint inhibitors.

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