TANDEM DIABETES CARE, INC. (a Delaware corporation) [•] Shares of Common Stock UNDERWRITING AGREEMENTUnderwriting Agreement • March 22nd, 2017 • Tandem Diabetes Care Inc • Surgical & medical instruments & apparatus • New York
Tandem Diabetes Care, Inc., a Delaware corporation (the “Company”), confirms its agreement with Piper Jaffray & Co. (“Piper Jaffray”) and each of the other Underwriters named in Schedule A hereto (collectively, the “Underwriters,” which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Piper Jaffray is acting as representative (in such capacity, the “Representative”), with respect to (i) the sale by the Company and the purchase by the Underwriters, acting severally and not jointly, of the respective numbers of shares of Common Stock, par value $0.001 per share, of the Company (“Common Stock”) set forth in Schedule A hereto and (ii) the grant by the Company to the Underwriters, acting severally and not jointly, of the option described in Section 2(b) hereof to purchase all or any part of [•] additional shares of Common Stock. The aforesaid [•] shares of Common Stock (the “Initial Securities”) to be purchased by the Underwriters a
