Armata Pharmaceuticals, Inc.

We have adopted a written code of business conduct and ethics (the “Code of Business Conduct”) that applies to all directors, officers and employees of the Company, including any principal executive officer, principal financial officer or principal accounting officer of the Company. The Code of Business Conduct is available on our internet website at www.armatapharma.com. If we ever were to amend or waive any provision of the Code of Business Conduct that applies to our principal executive officer, principal financial officer, principal accounting officer or any person performing similar functions, we intend to satisfy our disclosure obligations with respect to any such waiver or amendment by posting such information on our internet website set forth above rather than filing a Form 8-K.