Consent of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-194016) of Inogen, Inc. (Company) of our report dated
March 31, 2014, relating to the financial statements and financial statement schedule, appearing in the Companys Annual Report on Form 10-K, for the year ended December 31, 2013.
/s/ Macias Gini & OConnell LLP
March 31, 2014