-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, JQGKW9LmavbZf7+tqxF0m8ODFadJiWyne/m4rhhLNbIGLWk/Cvaf11TvuObNSXXo 5jKEZws6q3fSzqcfCNlVQw== 0001045969-01-000177.txt : 20010223 0001045969-01-000177.hdr.sgml : 20010223 ACCESSION NUMBER: 0001045969-01-000177 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20010214 GROUP MEMBERS: CRESCENDO III, EXECUTIVE FUND, L.P. GROUP MEMBERS: CRESCENDO III, GRB GROUP MEMBERS: CRESCENDO III, L.P. GROUP MEMBERS: CRESCENDO VENTURES - WORLD FUND, LLC GROUP MEMBERS: CRESCENDO VENTURES III, LLC GROUP MEMBERS: CRESCENDO WORLD FUND, LLC GROUP MEMBERS: EAGLE VENTURES WF, LLC GROUP MEMBERS: SPRENG R DAVID GROUP MEMBERS: VERBIER VENTURES, LLC SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: COSINE COMMUNICATIONS INC CENTRAL INDEX KEY: 0001060824 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER COMMUNICATIONS EQUIPMENT [3576] IRS NUMBER: 943280301 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-60229 FILM NUMBER: 1539115 BUSINESS ADDRESS: STREET 1: 3200 BRIDGE PKWAY STREET 2: STE 200 CITY: REDWOOD CITY STATE: CA ZIP: 94065 BUSINESS PHONE: 6506374777 MAIL ADDRESS: STREET 1: 3200 BRIDGE PARKWAY CITY: REDWOOD CITY STATE: CA ZIP: 94065 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: SPRENG R DAVID CENTRAL INDEX KEY: 0001038255 STANDARD INDUSTRIAL CLASSIFICATION: [] FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 800 LASALLE AVE., STE. 2250 STREET 2: P O BOX 357 CITY: MINNEAPOLIS STATE: MN ZIP: 55402 BUSINESS PHONE: 2146838458 MAIL ADDRESS: STREET 1: 3800 FIRST BANK PL STREET 2: P O BOX 357 CITY: MINNEAPOLIS STATE: MN ZIP: 55402 SC 13G 1 0001.txt SCHEDULE 13G ------------------------------- / OMB APPROVAL / ------------------------------- / OMB Number: 3235-0145 / / Expires: October 31, 2002 / / Estimated average burden / / hours per response....14.90 / ------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. _______________)* Cosine Communications, Inc. - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, $0.0001 par value - -------------------------------------------------------------------------------- (Title of Class of Securities) 221222102 - -------------------------------------------------------------------------------- (CUSIP Number) September 29, 2000 - -------------------------------------------------------------------------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [_] Rule 13d-1(b) [_] Rule 13d-1(c) [X] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. Page 1 of 13 --------------------- CUSIP No. 221222102 13G --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). R. David Spreng - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States of America - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 2,250 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 8,692,000 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 2,250 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 8,692,000 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 8,694,250 Shares (R. David Spreng is the managing member of Crescendo Ventures -- World Fund, LLC, Crescendo Ventures III, LLC, and Verbier Ventures, LLC and the chief manager of Eagle Ventures WF, LLC. All but 2,250 of such shares are also beneficially owned by each of such named entities as set forth herein.) - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 8.4% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 IN - ------------------------------------------------------------------------------ Page 2 of 13 --------------------- CUSIP No. 221222102 13G --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Crescendo World Fund, LLC - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 1,525,867 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 1,525,867 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,525,867 Shares - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 1.5% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 OO - ------------------------------------------------------------------------------ Page 3 of 13 --------------------- CUSIP No. 221222102 13G --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Eagle Ventures WF, LLC - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Minnesota - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 73,071 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 73,071 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 73,071 Shares - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 .1% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 OO - ------------------------------------------------------------------------------ Page 4 of 13 --------------------- CUSIP No. 221222102 13G --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Crescendo III, L.P. - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 6,753,255 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 6,753,255 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 6,753,255 Shares - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 6.5% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 PN - ------------------------------------------------------------------------------ Page 5 of 13 --------------------- CUSIP No. 222122102 13G --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Crescendo III Executive Fund, L.P. - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 200,590 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 200,590 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 200,590 Shares - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 .2% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 PN - ------------------------------------------------------------------------------ Page 6 of 13 --------------------- CUSIP No. 222122102 13G --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Crescendo III, GbR - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Germany - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 139,217 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 139,217 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 139,217 Shares - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 .1% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 OO - ------------------------------------------------------------------------------ Page 7 of 13 - --------------------- CUSIP No. 221222102 13G - --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Crescendo Ventures III, LLC - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 7,093,062 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 7,093,062 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 7,093,062 Shares (Crescendo Ventures III, LLC is the general partner of Crescendo III, L.P. and Crescendo III Executive Fund, L.P. and the managing partner of Crescendo III, GbR. Such shares are also beneficially owned by each of such named entities as set forth herein.) - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 6.8% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 OO - ------------------------------------------------------------------------------ Page 8 of 13 - --------------------- CUSIP No. 221222102 13G - --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Crescendo Ventures - World Fund, LLC - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 1,525,867 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 1,525,867 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,525,867 Shares (Crescendo Ventures - World Fund, LLC is the managing member of Crescendo World Fund, LLC; such shares are also beneficially owned by Crescendo World Fund, LLC.) - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 1.5% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 OO - ------------------------------------------------------------------------------ Page 9 of 13 - --------------------- CUSIP No. 221222102 13G - --------------------- - ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY). Verbier Ventures, LLC - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 2 (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Minnesota - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 139,217 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 0 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 139,217 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 139,217 Shares (Verbier Ventures, LLC is the managing partner of Crescendo III, GbR; such shares are also beneficially owned by Crescendo III, GbR.) - ------------------------------------------------------------------------------ CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 .1% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON 12 OO - ------------------------------------------------------------------------------ Page 10 of 13 Item 1. (a) Name of Issuer: Cosine Communications, Inc. (b) Address of Issuer's Principal Executive Offices: 3200 Bridge Parkway Redwood City, CA 94065 Item 2. (a) Name of Person Filing 1. Crescendo World Fund, LLC 2. Eagle Ventures WF, LLC 3. Crescendo III, LP 4. Crescendo III Executive Fund, LP 5. Crescendo III, GbR 6. Crescendo Ventures III, LLC 7. Crescendo Ventures - World Fund, LLC 8. Verbier Ventures, LLC 9. R. David Spreng (b) Address of Principal Business Office or, if none, Residence The principal business office of each filing person is as follows: 800 LaSalle Avenue Suite 2250 Minneapolis, MN 55402 (c) Citizenship 1. Crescendo World Fund, LLC - Delaware 2. Eagle Ventures WF, LLC - Minnesota 3. Crescendo III, LP - Delaware 4. Crescendo III Executive Fund, LP - Delaware 5. Crescendo III, GbR - Germany 6. Crescendo Ventures III, LLC - Delaware 7. Crescendo Ventures - World Fund, LLC - Delaware 8. Verbier Ventures, LLC - Minnesota 9. R. David Spreng - United States of America (d) Title of Class of Securities: Common Stock, $0.0001 par value (e) CUSIP Number: 221222102 Item 3. Not Applicable Page 11 of 13 Item 4. Ownership (a) Amount Beneficially Owned: See the responses to Item 9 on the attached cover pages. (b) Percent of Class: See the responses to Item 11 on the attached cover pages. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: See the responses to Item 5 on the attached cover pages. (ii) Shared power to vote or to direct the vote: See the responses to Item 6 on the attached cover pages. (iii) Sole power to dispose or to direct the disposition of: See the responses to Item 7 on the attached cover pages. (iv) Shared power to dispose or to direct the disposition of: See the responses to Item 8 on the attached cover pages. Item 5. Ownership of Five Percent or Less of a Class If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following Item 6. Ownership of More than Five Percent on Behalf of Another Person. Not Applicable Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company Not Applicable Item 8. Identification and Classification of Members of the Group See attached Exhibit A. Item 9. Notice of Dissolution of Group Not Applicable Item 10. Certification Not Applicable Page 12 of 13 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. Dated: February 9, 2001 /s/ R. David Spreng - ---------------------------------------- R. David Spreng CRESCENDO WORLD FUND, LLC EAGLE VENTURES WF, LLC By: Crescendo Ventures - World Fund, LLC Its: Managing Member By: /s/ R. David Spreng ------------------------------ R. David Spreng, Chief Manager By: /s/ R. David Spreng ----------------------------------- R. David Spreng CRESCENDO III, L.P. CRESCENDO III EXECUTIVE FUND, L.P. By: Crescendo Ventures III, LLC By: Crescendo Ventures III, LLC Its: General Partner Its: General Partner By: /s/ R. David Spreng By: /s/ R. David Spreng ----------------------------------- -------------------------------- R. David Spreng R. David Spreng CRESCENDO III, GbR CRESCENDO VENTURES -- WORLD FUND, LLC By: Crescendo Ventures III, LLC and Verbier Ventures, LLC By: /s/ R. David Spreng Its: Managing Partners -------------------------------- R. David Spreng, Managing Member By: /s/ R. David Spreng VERBIER VENTURES, LLC ----------------------------------- R. David Spreng By: /s/ R. David Spreng -------------------------------- CRESCENDO VENTURES III, LLC R. David Spreng, Manager Member By: /s/ R. David Spreng ----------------------------------- R. David Spreng, Managing Member The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative's authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature. NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See (S) 240.13d-7 for other parties for whom copies are to be sent. Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001) Page 13 of 13 Exhibit A Joint Filing Statement Pursuant to Rule 13d-1(k)(1), the undersigned hereby express their agreement that the attached Schedule 13G is filed on each of their behalf. Dated: February 9, 2001 /s/ R. David Spreng - ---------------------------------------- R. David Spreng CRESCENDO WORLD FUND, LLC EAGLE VENTURES WF, LLC By: Crescendo Ventures - World Fund, LLC Its: Managing Member By: /s/ R. David Spreng -------------------------------- R. David Spreng, Chief Manager By: /s/ R. David Spreng ----------------------------------- R. David Spreng CRESCENDO III, L.P. CRESCENDO III EXECUTIVE FUND, L.P. By: Crescendo Ventures III, LLC By: Crescendo Ventures III, LLC Its: General Partner Its: General Partner By: /s/ R. David Spreng By: /s/ R. David Spreng ----------------------------------- ------------------------------ R. David Spreng R. David Spreng CRESCENDO III, GbR CRESCENDO VENTURES -- WORLD FUND, LLC By: Crescendo Ventures III, LLC and Verbier Ventures, LLC By: /s/ R. David Spreng Its: Managing Partners -------------------------------- R. David Spreng, Managing Member By: /s/ R. David Spreng VERBIER VENTURES, LLC ----------------------------------- R. David Spreng By: /s/ R. David Spreng -------------------------------- CRESCENDO VENTURES III, LLC R. David Spreng, Manager Member By: /s/ R. David Spreng ----------------------------------- R. David Spreng, Managing Member -----END PRIVACY-ENHANCED MESSAGE-----