Inogen to Announce Fourth Quarter 2021 Financial Results on February 24, 2022

Inogen, Inc. (Nasdaq: INGN), a medical technology company offering innovative respiratory products for use in the homecare setting, announced that it will release fourth quarter 2021 financial results after market close on Thursday, February 24, 2022. The Company will host a corresponding conference call beginning at 2:00pm PT/5:00pm ET.

Individuals interested in listening to the conference call may do so by dialing [phone] for domestic callers or [phone] for international callers. Please reference Inogen to join the call. To listen to a live webcast, please visit the Investor Relations section of Inogen's website at: http://investor.inogen.com/.

A replay of the call will be available beginning, February 24, 2022 at 4:00pm PT/ 7:00pm ET through 4:00pm PT/ 7:00pm ET on March 10, 2022. To access the replay, dial [phone] or [phone] and reference Conference ID: 13725354. The webcast will also be available on Inogen's website for one year following the completion of the call.

Inogen has used, and intends to continue to use, its Investor Relations website, http://investor.inogen.com/, as a means of disclosing material non-public information and for complying with its disclosure obligations under Regulation FD. For more information, visit http://investor.inogen.com/.

About Inogen

We are a medical technology company offering innovative respiratory products for use in the homecare setting. We primarily develop, manufacture and market innovative portable oxygen concentrators used to deliver supplemental long-term oxygen therapy to patients suffering from chronic respiratory conditions.

For more information, please visit www.inogen.com.

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Investor and Media Contacts Bryan Locke, Mike DeGraff, Gabriella Coffey [e-mail]