News Release


Optinose Announces Issuance of Four Additional U.S. Patents Covering XHANCE
XHANCE Now Covered by 13 Orange Book-Listed Patents

YARDLEY, Pa., Feb. 19, 2019 (GLOBE NEWSWIRE) -- Optinose (NASDAQ:OPTN), a pharmaceutical company focused on patients treated by ear, nose and throat (ENT) and allergy specialists, today announced the United States Patent and Trademark Office (USPTO) recently issued four patents covering XHANCE® (fluticasone propionate) nasal spray. These patents, U.S. Patents 10,076,614, 10,076,615, 10,124,132, and 10,179,216, have been listed in the FDA’s Approved Drug Products with Therapeutic Equivalence Evaluations (Orange Book) for XHANCE and have terms that expire in years 2034, 2029, 2027, and 2033, respectively.  The full text of each patent is available on the United States Patent and Trademark Office website www.uspto.gov.

“We are pleased to further strengthen our intellectual property portfolio with the  addition of these patents. We now have 13 Orange Book-listed patents covering XHANCE,” said Peter Miller, CEO of Optinose. “In addition, these patents have the potential to be relevant to other products developed using our Exhalation Delivery System, or EDS, technology.”

About Optinose
Optinose is a global specialty pharmaceutical company focused on serving the needs of patients cared for by ear, nose and throat (ENT) and allergy specialists. To learn more, please visit www.optinose.com or follow us on Twitter and LinkedIn.

Cautionary Note on Forward-Looking Statements
This press release contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. All statements that are not historical facts are hereby identified as forward-looking statements for this purpose and include, among others, statements relating to: the scope and duration of patent protection afforded by the referenced patents and the Company's other intellectual property; the potential for the referenced patents to be relevant to other products developed using the Company’s EDS; and other future events. Forward-looking statements are based upon management’s current expectations and assumptions and are subject to a number of risks, uncertainties and other factors that could cause actual results and events to differ materially and adversely from those indicated by such forward-looking statements including, among others: risks and uncertainties relating to intellectual property; and the risks, uncertainties and other factors discussed under the caption "Item 1A. Risk Factors" and elsewhere in the Company’s most recent Form 10-K and Form 10-Q filings with the Securities and Exchange Commission - which are available at www.sec.gov. As a result, you are cautioned not to place undue reliance on any forward-looking statements. Any forward-looking statements made in this press release speak only as of the date of this press release, and the Company undertakes no obligation to update such forward-looking statements, whether as a result of new information, future developments or otherwise.

Optinose Investor Contact

Jonathan Neely

Jonathan.neely@optinose.com

267.521.0531

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Optinose, Inc.

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