KOCH INDUSTRIES LLC is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
1. Effective on August 1, 2024, pursuant to an internal reorganization, Koch Industries, LLC (formerly known as Koch Industries, Inc.) ("KII") ceased to own equity interests, directly or indirectly, of Wood River Capital, LLC ("Wood River"), and Koch, Inc. became the indirect ultimate parent company of both Wood River and KII. Accordingly, KII no longer has (or shall be deemed to have) beneficial ownership of any shares of common stock, par value $0.00001 per share, of Aspen Aerogels Inc. (the "Issuer") held by Wood River.