1 EXHIBIT 10.16 Bioanalytical Systems, Inc. Bank One, Lafayette, NA 2701 Kent Ave. 201 Main Street West Lafayette, IN 47906 Lafayette, IN 47901 DEBTOR'S NAME, ADDRESS AND SOC. SEC. OR TAXPAYER I.D. NO. SECURED PARTY'S NAME AND ADDRESS ("I" means each Debtor who Signs) ("You" means Secured Party its successors and assigns) I am entering into this security agreement with you on April 22, 1991. SECURITY INTEREST AND COLLATERAL. To secure (check one): [x] the payment and performance of each and every debt, liability and obligation of every type and description, except in those cases listed in the "SECURED OBLIGATIONS" paragraph on the reverse side, which Bioanalytical Systems, Inc. may now or at any time hereafter owe to you (whether such debt, liability or obligation now exists or is hereafter created or incurred, and whether it is or may be direct or indirect, due or to become due, absolute or contingent, primary or secondary, liquidated or unliquidated, or joint, several or joint and several); [ ] the debt, liability or obligation of ____________________________________ ____________________ to you evidenced by the following: ___________________________________________________ and any extensions, renewals, refinancing, modifications or replacements thereof; I give you a security interest in the property indicated below, whether l own it now or may own it in the future, together with all parts, accessories, repairs, improvements and accessions to the property, wherever it is located, and all proceeds and products from the property. [x] INVENTORY: All inventory which I hold for ultimate sale or lease, or which has been or will be supplied under contracts of service, or which are raw materials, work in process, or materials used or consumed in my business. [ ] EQUIPMENT: All equipment including, but not limited to, all machinery, vehicles, furniture, fixtures, manufacturing equipment, farm machinery and equipment, shop equipment, office and record keeping equipment, and parts and tools. Any equipment described in a list or schedule which l give to you will also be included in the secured property. but such a list is not necessary for a valid security interest in my equipment. [ ] FARM PRODUCTS: All farm products including, but not limited to: (a) all poultry and livestock and their young, along with their products and produce; (b) all crops, annual or perennial, and all products of the crops; and (c) all feed, seed, fertilizer, medicines, and other supplies used or produced in my farming operations. [x] ACCOUNTS, INSTRUMENTS, DOCUMENTS, CHATTEL PAPER AND OTHER RIGHTS TO PAYMENT: All rights l have now or may have in the future to the payment of money including, but not limited to: (a) payment for goods sold or leased or for services rendered, whether or not l have earned such payment by performance; and (b) rights to payment arising out of all present and future debt instruments, chattel paper and loans and obligations receivable. -3- 2 The above include any rights and interests (including all liens and security interests) which l may have by law or agreement against any account debtor or obligor of mine. [ ] GENERAL INTANGIBLES: All general intangibles including, but not limited to, tax refunds, applications for patents, patents, copyrights, trademarks, trade secrets, good will, trade names, customer lists, permits and franchises, and the right to use my name. [ ] If this agreement covers timber to be cut, County: ___________________________________________ minerals (including oil and County gas), fixtures or crops growing or to be grown, the legal Crop Year__________________________________________ description is: _________________________________________________ I am a(n) [ ] Individual [ ] partnership _________________________________________________ [x] corporation _________________________________________________ [ ]____________________________________ _________________________________________________ _________________________________________________ [ ] If checked, file this agreement in the real estate records. Record Owner (if not me): _______________________ The property will be used for [ ] personal _________________________________________________ _________________________________________________ [x] business [ ] agricultural [ ] ____________________ reasons I AGREE TO THE TERMS SET OUT ON THE FRONT AND BACK OF THIS AGREEMENT. I have received a copy of this document on today's date. Bioanalytical Systems, Inc. -------------------------------------------------- Debtor's Name By:\S\PETER T. KISSINGER Bank One, Lafayette, NA ------------------------------------------------- --------------------------------- Title: President Secured Party's Name -------------------------------------------- By:\S\MURRAY N. MARSHALL ----------------------------------------------- By: ---------------------------------------------- Title: Vice President ----------------------------------------------- Title: ---------------------------------------------- (C) 1986 BANKERS SYSTEMS, INC., ST. CLOUD, MN 56301 SECURITY AGREEMENT FORM SA 11/12/96 -4-