Power of Attorney for Jason Richardson

This filing contains a Power of Attorney document appointing legal representatives to complete and execute Forms 3, 4, and 5, as well as any necessary amendments, for Jason Richardson, an EVP, CFO & Treasurer of Inogen, Inc. These forms are required under Section 16 of the Securities Exchange Act of 1934 due to Richardson's ownership, acquisition, or disposition of the company's securities. The attorneys-in-fact are authorized to file these forms with the SEC and other relevant bodies. This Power of Attorney remains effective until Richardson is no longer obligated to file such forms, unless revoked earlier. The document was signed on March 27, 2026.