We at OpenEye understand the concern many in our community had concerning the ability of our competitors to participate in SAMPL. To avoid this problem, we sent an open invitation to at least one person at each of the major contributors to our field. While we do not desire to publish anyone's specific contact information, we invited individual from pharma, including Pfizer, Abbott, Merck, Novartis, Astra Zeneca, Genentech, Structural-Genomics, Plexxikon, Amgen, Takeda, GSK and BMS. We invited researchers from many academic institutions including: Scripps, UPenn, Columbia, UNM, UNC, UCI, Duquesne, UCSF, University of Chicago, University of Florida, and McGill University. Finally, we invited several commercial vendors including individuals from: DE Shaw, Schrodinger, CCG and Tripos.