Annexon secures up to $200M credit facility from Oxford Finance; draws $50M initially

Annexon, Inc.

• Up to $200M term loan facility with Oxford Finance; initial $50M drawn on July 30, 2026.
• Additional $100M available upon milestones for vonaprument and tanruprubart programs; $50M uncommitted tranche subject to lender approval.
• Floating interest rate: greater of 1-month SOFR+4.6% or 7.60% per annum.
• Maturity July 2031 or June 2032 depending on milestones; interest-only period through Sept 2029 (extendable).
• Proceeds for working capital and general business; secured by substantially all assets.