SC TO-T/A 1 f77751b7scto-ta.txt AMENDMENT #16 TO SCHEDULE TO SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ------------------ SCHEDULE TO/A (RULE 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR SECTION 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 16) ------------------- IKOS SYSTEMS, INC. (NAME OF SUBJECT COMPANY (ISSUER)) MENTOR GRAPHICS CORPORATION FRESNO CORPORATION (NAMES OF FILING PERSONS (OFFERORS)) COMMON STOCK, PAR VALUE $0.01 PER SHARE, (TITLE OF CLASS OF SECURITIES) 451716203 (CUSIP NUMBER OF CLASS OF SECURITIES) WALDEN C. RHINES PRESIDENT AND CHIEF EXECUTIVE OFFICER MENTOR GRAPHICS CORPORATION 8005 S.W. BOECKMAN ROAD WILSONVILLE, OREGON 97070-7777 (503) 685-7000 (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON AUTHORIZED TO RECEIVE NOTICES AND COMMUNICATIONS ON BEHALF OF THE FILING PERSON) COPIES TO: JOHN J. HUBER, ESQ. CHRISTOPHER L. KAUFMAN, ESQ. LATHAM & WATKINS LATHAM & WATKINS 555 11TH STREET, N.W., SUITE 1000 135 COMMONWEALTH DRIVE WASHINGTON, D.C. 20004 MENLO PARK, CALIFORNIA 94025 (202) 637-2200 (650) 328-4600 Check the appropriate boxes below to designate any transactions to which the statement relates: [X] third-party tender offer subject to Rule 14d-1 [ ] issuer tender offer subject to Rule 13e-4 [ ] going private transaction subject to Rule 13e-3 [ ] amendment to Schedule 13D under Rule 13d-2 Check the following box if the filing is a final amendment reporting the results of the tender offer: [ ] This Amendment No. 16 to Tender Offer Statement on Schedule TO amends and supplements the Tender Offer Statement on Schedule TO filed with the Securities and Exchange Commission on December 7, 2001 (as previously amended, the "Schedule TO"), relating to a tender offer by Fresno Corporation, a Delaware corporation ("Purchaser") and a wholly-owned subsidiary of Mentor Graphics Corporation, an Oregon corporation ("Mentor"), to purchase all outstanding shares of common stock, par value $0.01 per share, and the related preferred stock purchase rights, of IKOS Systems, Inc., a Delaware corporation (the "Company"), for a purchase price of $11.00 per share, net to the seller in cash, without interest thereon, upon the terms and subject to the conditions set forth in the Offer to Purchase dated December 7, 2001 (the "Offer to Purchase"), as amended and supplemented by the Supplement to Offer to Purchase dated March 13, 2002, and in the related Letter of Transmittal (the "Letter of Transmittal" which, together with the Offer to Purchase, as each may be amended and supplemented from time to time, constitute the "Offer"), as amended and supplemented. Capitalized terms used herein and not defined herein have the respective meanings assigned such terms in the Offer to Purchase. ITEMS 4 AND 11. TERMS OF THE TRANSACTION; ADDITIONAL INFORMATION Items 4 and 11 are hereby amended to add the following: On March 12, 2002, Mentor, Purchaser and the Company entered into a definitive merger agreement (the "Merger Agreement"), in the form attached to this Schedule TO as Exhibit (d)(11), which is incorporated by reference herein. Pursuant to the Merger Agreement, Purchaser has agreed to amend the conditions to the Offer to be as set forth in Annex II to the Merger Agreement. An amended and supplemented Offer to Purchase and a revised Letter of Transmittal are filed herewith and will be mailed to the stockholders of the Company promptly. The full text of a joint press release issued by Mentor and the Company on March 12, 2002 announcing the execution and delivery of the Merger Agreement is filed as Exhibit (a)(5)(O) to this Schedule TO, which is incorporated by reference herein. ITEM 4. TERMS OF THE TRANSACTION Item 4 is hereby amended to add the following: On March 13, 2002, Purchaser extended the Offer until 12:00 Midnight, New York City time, on Tuesday, March 26, 2002, unless further extended. The full text of a press release issued by Mentor on March 13, 2002 announcing the extension of the Offer is filed as Exhibit (a)(5)(P) to this Schedule TO, which is incorporated by reference herein. ITEMS 1 THROUGH 9, AND ITEM 11 The information in the Supplement to Offer to Purchase dated March 13, 2002 and the revised Letter of Transmittal, copies of which are filed with this Schedule TO as Exhibits (a)(1)(K) and (a)(1)(L) hereto, respectively, are incorporated herein by reference in response to Items 1 through 9, and Item 11 in this Tender Offer Statement on Schedule TO. ITEM 12. EXHIBITS Item 12 of the Schedule TO is hereby amended and supplemented as follows: (a)(1)(A) Offer to Purchase dated December 7, 2001.* (a)(1)(B) Letter of Transmittal.* (a)(1)(C) Notice of Guaranteed Delivery.* (a)(1)(D) Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.* (a)(1)(E) Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.* (a)(1)(F) Guidelines for Certification of Taxpayer Identification Number of Substitute Form W-9.* (a)(1)(G) Press release issued by Mentor Graphics Corporation on December 7, 2001.* (a)(1)(H) Summary Advertisement, published December 7, 2001.* (a)(1)(I) Complaint filed in the United States District Court for the District of Delaware on December 7, 2001.* (a)(1)(J) Complaint filed in the Chancery Court, New Castle County, Delaware on December 7, 2001.* (a)(1)(K) Supplement to Offer to Purchase dated March 13, 2002. (a)(1)(L) Revised Letter of Transmittal. (a)(1)(M) Revised Notice of Guaranteed Delivery. (a)(1)(N) Revised Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees. (a)(1)(O) Revised Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees. (a)(1)(P) Guidelines for Certification of Taxpayer Identification Number on Substitute Form W-9. (a)(5)(A) Press release issued by Mentor Graphics Corporation, dated December 20, 2001.* (a)(5)(B) Press release issued by Mentor Graphics Corporation, dated December 26, 2001.* (a)(5)(C) Press release issued by Mentor Graphics Corporation, dated January 15, 2002.* (a)(5)(D) Press Release issued by Mentor Graphics Corporation, dated January 16, 2002.* (a)(5)(E) Press Release issued by Mentor Graphics Corporation, dated January 23, 2002.* (a)(5)(F) Press release issued by Mentor Graphics Corporation, dated January 28, 2002.* (a)(5)(G) Press release issued by Mentor Graphics Corporation, dated February 4, 2002.* (a)(5)(H) Press release issued by Mentor Graphics Corporation, dated February 5, 2002.* (a)(5)(I) Materials filed under Rule 14a-12 on Schedule 14A, filed with the Securities and Exchange Commission on February 5, 2002 and incorporated herein by reference.* (a)(5)(J) Press release issued by Mentor Graphics Corporation, dated February 11, 2002.* (a)(5)(K) Press release issued by Mentor Graphics Corporation, dated February 19, 2002.* (a)(5)(L) Press Release issued by Mentor Graphics Corporation, dated February 22, 2002.* (a)(5)(M) Press Release issued by Mentor Graphics Corporation, dated February 26, 2002.* (a)(5)(N) Press Release issued by Mentor Graphics Corporation, dated March 11, 2002.* (a)(5)(O) Joint Press Release issued by Mentor Graphics Corporation and IKOS Systems, Inc., dated March 12, 2002. (a)(5)(P) Press Release issued by Mentor Graphics Corporation, dated March 13, 2002. (b) None. (c) None. (d)(1) Confidentiality Agreement dated June 16, 2000, between Mentor Graphics Corporation and IKOS Systems, Inc.* (d)(2) Letter from Gray Cary Ware & Freidenrich LLP to Latham & Watkins dated December 12, 2001, and form of confidentiality and standstill agreement.* (d)(3) Letter from Latham & Watkins to Gray Cary Ware & Freidenrich LLP dated December 18, 2001.* (d)(4) Letter from Gray Cary Ware & Freidenrich LLP to Latham & Watkins dated December 18, 2001.* (d)(5) Letter from Latham & Watkins to Gray Cary Ware & Freidenrich LLP dated January 16, 2002.* (d)(6) Proposed Agreement and Plan of Merger and Reorganization by and among Mentor, Purchaser and the Company.* (d)(7) Letter from Gray Cary Ware & Freidenrich LLP to Latham & Watkins dated January 21, 2002, and form of confidentiality and standstill agreement.* (d)(8) Letter from Purchaser to IKOS Systems, Inc. dated February 4, 2002.* (d)(9) Letter from Purchaser to IKOS Systems, Inc. dated February 22, 2002.* (d)(10) Preliminary proxy statement filed with the Securities and Exchange Commission on February 22, 2002 by Mentor and Purchaser and incorporated herein by reference.* (d)(11) Agreement and Plan of Merger and Reorganization by and among Mentor Graphics Corporation, Fresno Corporation and IKOS Systems, Inc., dated as of March 12, 2002. (e) None. (f) None. (g) None. (h) None. ------------------ *Previously filed. 2 SIGNATURE After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: March 13, 2002 MENTOR GRAPHICS CORPORATION By: /s/ Gregory K. Hinckley ------------------------------------ Name: Gregory K. Hinckley Title: President FRESNO CORPORATION By: /s/ Gregory K. Hinckley ------------------------------------ Name: Gregory K. Hinckley Title: Chief Financial Officer 3 EXHIBIT INDEX (a)(1)(A) Offer to Purchase dated December 7, 2001.* (a)(1)(B) Letter of Transmittal.* (a)(1)(C) Notice of Guaranteed Delivery.* (a)(1)(D) Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.* (a)(1)(E) Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.* (a)(1)(F) Guidelines for Certification of Taxpayer Identification Number of Substitute Form W-9.* (a)(1)(G) Press release issued by Mentor Graphics Corporation on December 7, 2001.* (a)(1)(H) Summary Advertisement, published December 7, 2001.* (a)(1)(I) Complaint filed in the United States District Court for the District of Delaware on December 7, 2001.* (a)(1)(J) Complaint filed in the Chancery Court, New Castle County, Delaware on December 7, 2001.* (a)(1)(K) Supplement to Offer to Purchase dated March 13, 2002. (a)(1)(L) Revised Letter of Transmittal. (a)(1)(M) Revised Notice of Guaranteed Delivery. (a)(1)(N) Revised Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees. (a)(1)(O) Revised Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees. (a)(1)(P) Guidelines for Certification of Taxpayer Identification Number on Substitute Form W-9. (a)(5)(A) Press release issued by Mentor Graphics Corporation, dated December 20, 2001.* (a)(5)(B) Press release issued by Mentor Graphics Corporation, dated December 26, 2001.* (a)(5)(C) Press release issued by Mentor Graphics Corporation, dated January 15, 2002.* (a)(5)(D) Press Release issued by Mentor Graphics Corporation, dated January 16, 2002.* (a)(5)(E) Press Release issued by Mentor Graphics Corporation, dated January 23, 2002.* (a)(5)(F) Press release issued by Mentor Graphics Corporation, dated January 28, 2002.* (a)(5)(G) Press release issued by Mentor Graphics Corporation, dated February 4, 2002.* (a)(5)(H) Press release issued by Mentor Graphics Corporation, dated February 5, 2002.* (a)(5)(I) Materials filed under Rule 14a-12 on Schedule 14A, filed with the Securities and Exchange Commission on February 5, 2002 and incorporated herein by reference.* (a)(5)(J) Press release issued by Mentor Graphics Corporation, dated February 11, 2002.* (a)(5)(K) Press release issued by Mentor Graphics Corporation, dated February 19, 2002.* (a)(5)(L) Press Release issued by Mentor Graphics Corporation, dated February 22, 2002.* (a)(5)(M) Press Release issued by Mentor Graphics Corporation, dated February 26, 2002.* (a)(5)(N) Press Release issued by Mentor Graphics Corporation, dated March 11, 2002.* (a)(5)(O) Joint Press Release issued by Mentor Graphics Corporation and IKOS Systems, Inc., dated March 12, 2002. (a)(5)(P) Press Release issued by Mentor Graphics Corporation, dated March 13, 2002. (b) None. (c) None. (d)(1) Confidentiality Agreement dated June 16, 2000, between Mentor Graphics Corporation and IKOS Systems, Inc.* (d)(2) Letter from Gray Cary Ware & Freidenrich LLP to Latham & Watkins dated December 12, 2001, and form of confidentiality and standstill agreement.* (d)(3) Letter from Latham & Watkins to Gray Cary Ware & Freidenrich LLP dated December 18, 2001.* (d)(4) Letter from Gray Cary Ware & Freidenrich LLP to Latham & Watkins dated December 18, 2001.* (d)(5) Letter from Latham & Watkins to Gray Cary Ware & Freidenrich LLP dated January 16, 2002.* (d)(6) Proposed Agreement and Plan of Merger and Reorganization by and among Mentor, Purchaser and the Company.* (d)(7) Letter from Gray Cary Ware & Freidenrich LLP to Latham & Watkins dated January 21, 2002, and form of confidentiality and standstill agreement.* (d)(8) Letter from Purchaser to IKOS Systems, Inc. dated February 4, 2002.* (d)(9) Letter from Purchaser to IKOS Systems, Inc. dated February 22, 2002.* (d)(10) Preliminary proxy statement filed with the Securities and Exchange Commission on February 22, 2002 by Mentor and Purchaser and incorporated herein by reference.* (d)(11) Agreement and Plan of Merger and Reorganization by and among Mentor Graphics Corporation, Fresno Corporation and IKOS Systems, Inc., dated as of March 12, 2002. (e) None. (f) None. (g) None. (h) None. ------------------ *Previously filed.