UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 1997 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 0-23970 NETWORK PERIPHERALS INC. (Exact name of registrant as specified in its charter) DELAWARE 77-0216135 (State or other Jurisdiction of (I.R.S. Employer Identification Number) Incorporation or Organization) 1371 McCarthy Boulevard Milpitas, California 95035 (Address, including zip code of principal executive offices) (408) 321-7300 (Registrant's telephone number, including area code) Securities registered pursuant to Section 12(g) of the Act: Title of class Common Stock Indicate by checkmark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to the filing requirements for the past 90 days. Yes [ ] No [X] Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained to the best of the registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [ ] The aggregate market value of the voting stock held by non-affiliates of the Registrant as of March 18, 1998 was $94,251,917 based upon the closing price of the Registrant's Common Stock on the Nasdaq National Market System on that date. The number of shares of the Registrant's Common Stock outstanding as of March 18, 1998 was 12,260,412. The undersigned registrant hereby amends the following items, financial statements, exhibits or other portions of its Annual Report for the fiscal year ended December 31, 1997 on Form 10-K as set forth in the pages attached hereto: 1 PART IV ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K The information required by subsections (a)1 and (a)2 of this item are included in the response to Item 8 of Part III of this Annual Report on Form 10-K. (a) Exhibits 3.1(1) Amended and Restated Certificate of Incorporation. 3.2(1) By-Laws. 4.1(1) Fourth Amended and Restated Investor Rights Agreement dated July 15, 1993. 10.1(1) Form of Indemnity Agreement for directors and officers. 10.2(1) Amended and Restated 1993 Stock Option Plan and forms of agreement thereunder. 10.3(1) 1994 Employee Stock Purchase Plan. 10.4(1) 1994 Outside Directors Stock Option Plan and form of agreement thereunder. 10.9(1) Facilities Lease dated August 8, 1991 with John Arrillaga, Trustee, or his Trustee, or his Successor Trustee UTA dated 7/20/77, as amended, and Richard T. Peery, Trustee, or his Successor Trustee UTA dated 7/20/77, as amended. 10.12(1)(2) OEM Purchase Agreement with Network General Corporation dated March 4, 1991. 10.14(3) Amendment No. 1, dated June 1, 1994, to Facilities Lease with John Arrillaga, Trustee, or his Successor Trustee UTA dated 7/20/77, as amended, and Richard T. Peery, Trustee, or his Successor Trustee UTA dated 7/20/77, as amended. 10.18(4) Purchase Agreement among Network Peripherals Inc., Network Peripherals, Ltd., NuCom Systems, Inc., and the shareholders of NuCom, dated January 31, 1996. 10.22 (5) Line of Credit Agreement with Sumitomo Bank dated October 2, 1996. 10.23 (5) Agreement with Glenn Penisten dated May 15, 1996. 10.26 (7) Purchase Agreement among Network Peripherals Inc., NetVision Corporation, and the shareholders of NetVision , dated April 29, 1997. 10.27 (6) 1997 Stock Option Plan. 10.28 (6) Amended 1994 Outside Directors Option Plan. 10.29 (8) Development and Purchase Agreement with Sun Microsystems, Inc., dated February 25, 1994. 10.30 (8) Corporate Supply Agreement with Sun Microsystems, Inc., dated March 31, 1997. 10.31 (9) Modification Agreement, dated August 29, 1997, to amend certain terms of the Line of Credit Agreement with Sumitomo Bank of California. 10.32 (9) Second Modification Agreement, dated November 17, 1997, to amend certain terms of the Line of Credit Agreement with Sumitomo Bank of California. 10.33 (9) Amended and Restated Salary Continuation Agreement with Pauline Lo Alker dated October 31, 1997. 10.34 (9) Amended and Restated Salary Continuation Agreement with Robert Hersh dated October 31, 1997. 10.35 (9) Salary Continuation Agreement with Glenn Penisten dated October 31, 1997. 10.36 (9) Salary Continuation Agreement with Fred Kiremidjian dated October 31, 1997. 10.37 (9) Salary Continuation Agreement with James Sullivan dated October 31, 1997. 10.38 (9) Consent of Independent Accountants dated March 27, 1998. 27 (9) Financial Data Schedule. 35 (b) Reports on Form 8-K None (1) Incorporated by reference to the corresponding Exhibit previously filed as an Exhibit to the Registrant's Registration Statement on Form S-1 (File No. 33-78350). (2) Confidential treatment has been granted as to part of this Exhibit. (3) Incorporated by reference to the corresponding Exhibit previously filed as an Exhibit to the Registrant's Quarterly Report on Form 10-Q for the period ended June 30, 1994 (File No. 0-23970). (4) Incorporated by reference to the Registrant's report on Form 8-K filed on March 31, 1996 (File No. 0-23970). (5) Incorporated by reference to the corresponding exhibit in the Registrant's Annual Report on Form 10-K for the year ended December 31, 1996 (File No. 0-23970). (6) Incorporated by reference to the corresponding exhibit in the Registrant's Quarterly Report on Form 10-Q for the period ended June 30, 1997 (File No. 0-23970). (7) Incorporated by reference to the Registrant's report on Form 8-K filed on May 14, 1997 (File No. 0-23970). (8) The Registrant has filed portions of these agreements separately with the Commission and has requested that those portions be afforded confidential treatment. (9) Filed with the Registrant's Annual Report on Form 10-K for the year ended December 31, 1997. 36 SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. NETWORK PERIPHERALS INC. By: \s\ROBERT HERSH ---------------------------------- Robert Hersh Vice President of Operations and Chief Financial Officer (Authorized Officer)