1 EXHIBIT (c)(3) STOCK OPTION AGREEMENT STOCK OPTION AGREEMENT, dated as of July 30, 1999 (the "Agreement"), among Merck & Co., Inc., a New Jersey corporation (the "Grantee"), MC Subsidiary Corp., a Delaware corporation and a wholly owned subsidiary...Stock Option Agreement • August 6th, 1999 • Merck & Co Inc • Pharmaceutical preparations • Delaware
1 EXHIBIT (c)(2) SHAREHOLDERS AGREEMENT SHAREHOLDERS AGREEMENT (this "Agreement") dated as of July 30, 1999 among the persons listed on Schedule 1 hereto (each, a "Holder" and, collectively, the "Holders"), Merck & Co., Inc., a New Jersey corporation...Shareholders Agreement • August 6th, 1999 • Merck & Co Inc • Pharmaceutical preparations • Delaware
1 EXHIBIT (c)(4) CONFIDENTIAL DISCLOSURE AGREEMENT This Agreement (the "Agreement") is entered into as of this 23rd day of June 1999 by and between SIBIA Neurosciences, Inc., having a business address of 505 Coast Boulevard South, Suite 300, La Jolla,...Confidentiality Agreement • August 6th, 1999 • Merck & Co Inc • Pharmaceutical preparations • California
ii- 4 AGREEMENT AND PLAN OF MERGER (hereinafter called this "Agreement"), dated as of July 30, 1999, among SIBIA Neurosciences, Inc., a Delaware corporation (the "Company"), Merck & Co., Inc., a New Jersey corporation ("Parent"), and MC Subsidiary...Agreement and Plan of Merger • August 6th, 1999 • Merck & Co Inc • Pharmaceutical preparations • Delaware
