SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-C REPORT BY ISSUER OF SECURITIES QUOTED ON NASDAQ INTERDEALER QUOTATION SYSTEM FILED PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 AND RULE 13a-17 OR 15d-17 THEREUNDER KLA Instruments Corporation (Exact name of issuer as specified in charter) 160 Rio Robles, San Jose, California 95161-9055 (Address of principal executive offices) Issuer's telephone number, including area code: (408) 456-6180 I. CHANGE IN NUMBER OF SHARES OUTSTANDING Indicate any change (increase or decrease) of 5% or more in the number of shares outstanding: 1. Title of Security: Common Stock 2. Number of shares outstanding before the change: 25,111,240* 3. Number of shares outstanding after the change: 50,222,480* 4. Effective date of change: Record Date -- August 31, 1995; Pay Date -- September 29, 1995 5. Method of change: Specify method (such as merger, acquisition, exchange, distribution, stock split, reverse split, acquisition of stock for treasury, etc.) Stock Dividend Give brief description of transaction: 100% stock dividend (one share for each share outstanding on August 31, 1995) II. CHANGE IN NAME OF ISSUER 1. Name prior to change: Not applicable 2. Name after change: 3. Effective date of charter amendment changing name: 4. Date of shareholder approval of change, if required: Date: September 7, 1995 /s/ Christopher Stoddart ----------------------------------- Christopher Stoddart Treasurer * Based on the number of shares outstanding as of August 11, 1995.