SUPPLEMENTAL INDENTURESupplemental Indenture • September 1st, 2011 • Abraxas Medical Solutions, Inc. • Services-prepackaged software • New York
Supplemental Indenture (this “Supplemental Indenture”), dated as of September 1, 2011 among Ophthalmic Imaging Systems, a California corporation (“OIS”), Abraxas Medical Solutions, Inc. (“Abraxas”; together with OIS, each a “Guaranteeing Subsidiary”), each a subsidiary of Merge Healthcare Incorporated, a Delaware corporation (the “Issuer”), and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”) and Collateral Agent.
