On January 25, 2018, Aspen Aerogels, Inc. amended the Amended and Restated Loan and Security Agreement with Silicon Valley Bank, which was originally effective from August 31, 2014 to August 31, 2016 and subsequently extended through January 28, 2018. Pursuant to the present amendment, the Credit Facility’s maturity date is extended to April 28, 2018, certain financial covenants are modified and Silicon Valley Bank has consented to the potential future amendment of an existing contract of the company and potential related indebtedness and grant of security interest by the company there under. The summary of the Amendment is qualified in its entirety by reference to the full text of the Amendment.