UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 1)
Lynx Therapeutics, Inc.
------------------------------
(Name of Issuer)
Common Stock
------------------------------
(Title of Class of Securities)
551812100
--------------
(CUSIP Number)
Michael P. Maher
c/o U.S. Venture Partners
2180 Sand Hill Road, Suite 300
Menlo Park, CA 94025
(650) 854-9080
--------------------------------------------------------
(Name, Address and Telephone Number of Person Authorized
to Receive Notices and Communications)
January 11, 2000
-------------------------------------------------------
(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
U.S. Venture Partners IV, L.P.
94-3193188
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------
7 SOLE VOTING POWER
0
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 0
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------
2
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Second Ventures II, L.P. ("SV II")
94-3200353
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
--------------------------------------------------------------------------
7 SOLE VOTING POWER
0
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 0
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------
3
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
USVP Entrepreneur Partners II, L.P. ("UEP II)
94-3203198
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------
7 SOLE VOTING POWER
0
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 0
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------
4
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Presidio Management Group IV, L.P. ("PMG IV")
94-3193187
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------
7 SOLE VOTING POWER
0
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 0
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------
5
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
William K. Bowes, Jr. ("Bowes")
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS*
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------
7 SOLE VOTING POWER
53,007 shares.
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 53,007 shares.
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
53,007 shares.
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.5%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------
6
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Irwin Federman ("Federman")
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------
7 SOLE VOTING POWER
28,448 shares.
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 28,448 shares.
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
28,448 shares.
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.2%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------
7
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Steven M. Krausz ("Krausz")
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------
7 SOLE VOTING POWER
11,774 shares.
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 11,774 shares.
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11,774 shares.
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.1%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------
8
<PAGE>
SCHEDULE 13D
- ---------------------
CUSIP NO. 551812100
- ---------------------
1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Philip M. Young ("Young")
--------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
--------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------
4 SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) OR 2(e) [ ]
--------------------------------------------------------------------------
6 CITZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------
7 SOLE VOTING POWER
28,448 shares.
NUMBER OF ---------------------------------------------------------
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 0
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING 28,448 shares.
PERSON ---------------------------------------------------------
WITH 10 SHARED DISPOSITIVE POWER
0
---------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
28,448 shares.
--------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ]
NOT APPLICABLE
-------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.2%
--------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------
9
<PAGE>
Security and Issuer.
Item 1. Security and Issuer.
This Schedule 13D relates to the common stock, no par value (the "Common
Stock"), of Lynx Therapeutics, Inc.(the "Issuer"). The principal executive
office and mailing address of the Issuer is 3832 Bay Center Place, Hayward, CA
94545.
Item 2. Identity and Background.
(a) (b) and (c) This Schedule 13D is filed on behalf U.S. Venture Partners
IV, L.P., Second Ventures II, L.P., USVP Entrepreneur Partners II,
L.P., Presidio Management Group IV, L.P., William K. Bowes, Jr., Irwin
Federman, Steven M. Krausz and Philip M. Young. The foregoing entities
and individuals are collectively referred to as the "Reporting
Persons".
The Reporting Person's citizenship and principal occupation are as follows:
Principal
Occupation
Name Business Address Citizenship or Employment
- ---- ---------------- ----------- -------------
U.S. Venture 2180 Sand Hill Road Delaware Not applicable
Partners IV, L.P. Suite 300
Menlo Park, CA 94025
Second Ventures 2180 Sand Hill Road Cayman Not applicable
II, L.P. Suite 300 Islands
Menlo Park, CA 94025
USVP Entrepreneur 2180 Sand Hill Road Delaware Not applicable
Partners II, L.P. Suite 300
Menlo Park, CA 94025
Presidio Management 2180 Sand Hill Road Delaware Not applicable
Group IV, L.P. Suite 300
Menlo Park, CA 94025
William K. Bowes, Jr. 2180 Sand Hill Road United States General Partner
Suite 300
Menlo Park, CA 94025
Irwin Federman 2180 Sand Hill Road United States General Partner
Suite 300
Menlo Park, CA 94025
10
<PAGE>
Steven M. Krausz 2180 Sand Hill Road United States General Partner
Suite 300
Menlo Park, CA 94025
Philip M. Young 2180 Sand Hill Road United States General Partner
Suite 300
Menlo Park, CA 94025
(d) To the best knowledge of the Reporting Person, during the past five
years, the Reporting Person has not been convicted in a criminal
proceeding (excluding traffic violations or similar misdemeanors).
(e) To the best knowledge of the Reporting Person, during the past five
years, the Reporting Person has not been a party to a civil proceeding
of a judicial or administrative body of competent jurisdiction and
therefore was not and is not subject to a judgment, decree or final
order enjoining future violations of, or prohibiting or mandating
activities subject to, federal or state securities laws or finding any
violation with respect to such laws.
Item 3. Source and Amount of Funds or Other Consideration.
On January 11, 2000 the Reporting Persons disposed of certain shares of
Common Stock of the Issuer.
Item 4. Purpose of Transaction.
The Reporting Persons disposed of the securities to decrease their
respective equity interests in the Issuer. Depending upon market conditions and
other factors, the Reporting Persons may acquire additional securities of the
Issuer, in the open market, in privately negotiated transactions or otherwise.
Alternatively, depending upon market conditions and other factors, the Reporting
Persons may, from time to time, dispose of some or all of the securities of the
Issuer.
Although the Reporting Persons reserve the right to develop plans or
proposals in the future with respect to the following items, except as set forth
above at the present time he has no plans or proposals that relate to or would
result in any of the following:
(a) the acquisition by any person of additional securities of the Issuer,
or the disposition of securities of the Issuer;
(b) an extraordinary corporate transaction, such as a merger,
reorganization or liquidation, involving the Issuer or any of its
subsidiaries;
11
<PAGE>
(c) a sale or transfer of a material amount of assets of the Issuer or any
of its subsidiaries;
(d) any change in the present board of directors or management of the
Issuer, including any plans or proposals to change the number or term
of directors or to fill any existing vacancies on the board;
(e) any material change in the present capitalization or dividend policy
of the Issuer;
(f) any other material change in the Issuer's business or corporate
structure;
(g) changes in the Issuer's charter, bylaws or instruments corresponding
thereto or other actions which may impede the acquisition of control
of the Issuer by any person;
(h) causing a class of securities of the Issuer to be delisted from a
national securities exchange or to cease to be authorized to be quoted
in an inter-dealer quotation system of a registered national
securities association;
(i) a class of equity securities of the Issuer becoming eligible for
termination of registration pursuant to Section 12(g)(4) of the
Securities Exchange Act of 1934; or
(j) any action similar to any of those enumerated in (a) through (i)
above.
Item 5. Interest in Securities of the Issuer.
(a), (b) According to information furnished to the Reporting Persons by the
Issuer, there were 11,108,000 shares of Common Stock issued and
outstanding as of September 30, 1999. Based on such information, after
taking into account the transactions described in Item 5(c) below, the
Reporting Persons report the following direct holdings and
corresponding percentage interests in the Common Stock (computed in
accordance with Rule 13d-3(d)(1)(i) of the Securities Exchange Act of
1934, as amended):
Shares
Shares of Common Underlying Percentage
Name Stock Owned Options Total Owned
U.S. Venture
Partners IV, L.P. 0 0 0 0.0%
Second Ventures II, L.P. 0 0 0 0.0%
12
<PAGE>
USVP Entrepreneur
Partners II, L.P. 0 0 0 0.0%
Presidio
Management Group IV, L.P. 0 0 0 0.0%
William K. Bowes, Jr 53,007* 0 53,007 0.5%
Irwin Federman 28,448 0 28,448 0.2%
Steven M. Krausz 11,774 0 11,774 0.1%
Philip M. Young 28,448 0 28,448 0.2%
- ----------
* - Includes 17,606 shares held by the William K. Bowes Jr. Charitable Trust
dtd 10/16/91 for which Mr. Bowes is the trustee.
(c) The Reporting Person did not effect any transactions other than those
set forth in Items 3 and 4 above.
(d) Not applicable.
(e) The Reporting Persons ceased to be the beneficial owner of more than
five percent of the Common Stock of the Issuer on January 11, 2000.
Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to
Securities of the Issuer.
Not applicable.
Item 7. Material to Be Filed as Exhibits.
See Exhibit A - Agreement to Joint Filing on Schedule 13D.
See Exhibit B - Reference to Michael Maher as Attorney-in-Fact.
13
<PAGE>
Page 19 of 20 Pages
SIGNATURES
After reasonable 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: January 24, 2000
U.S. Venture Partners IV, L.P. ----------------------------------------
By Presidio Management Group IV, L.P. Signature
Its General Partner
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
Second Ventures II, L.P. ----------------------------------------
By Presidio Management Group IV, L.P. Signature
Its General Partner
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
U.S.V. Entrepreneur Partners II, L.P. ----------------------------------------
By Presidio Management Group IV, L.P. Signature
Its General Partner
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
Presidio Management Group IV, L.P. ----------------------------------------
A Delaware Limited Partnership Signature
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
William K. Bowes, Jr. ----------------------------------------
Michael P. Maher
Attorney-In-Fact
Irwin Federman ----------------------------------------
Michael P. Maher
Attorney-In-Fact
14
<PAGE>
Steven M. Krausz ----------------------------------------
Michael P. Maher
Attorney-In-Fact
Philip M. Young ----------------------------------------
Michael P. Maher
Attorney-In-Fact
15
<PAGE>
EXHIBIT INDEX
Found on
Sequentially
Exhibit Numbered Page
- ------- -------------
Exhibit A: Agreement of Joint Filing 18
Exhibit B: Reference to Michael P. Maher as Attorney-In-Fact 20
<PAGE>
EXHIBIT A
Agreement of Joint Filing
The undersigned hereby agree that a single Schedule 13D (or any amendment
thereto) relating to the Common Stock of Lynx Therapeutics, Inc. shall be filed
on behalf of each of the undersigned and that this Agreement shall be filed as
an exhibit to such Schedule 13D.
Dated: January 24, 2000
U.S. Venture Partners IV, L.P. ----------------------------------------
By Presidio Management Group IV, L.P. Signature
Its General Partner
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
Second Ventures II, L.P. ----------------------------------------
By Presidio Management Group IV, L.P. Signature
Its General Partner
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
U.S.V. Entrepreneur Partners II, L.P. ----------------------------------------
By Presidio Management Group IV, L.P. Signature
Its General Partner
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
Presidio Management Group IV, L.P. ----------------------------------------
A Delaware Limited Partnership Signature
Michael P. Maher
Chief Financial Officer/Attorney-In-Fact
William K. Bowes, Jr. ----------------------------------------
Michael P. Maher
Attorney-In-Fact
17
<PAGE>
Irwin Federman ----------------------------------------
Michael P. Maher
Attorney-In-Fact
Steven M. Krausz ----------------------------------------
Michael P. Maher
Attorney-In-Fact
Philip M. Young ----------------------------------------
Michael P. Maher
Attorney-In-Fact
18
<PAGE>
EXHIBIT B
REFERENCE TO MICHAEL MAHER AS ATTORNEY-IN-FACT
Michael P. Maher has signed the enclosed documents as Attorney-In-Fact.
Note that copies of the applicable Power of Attorneys are already on file with
the appropriate agencies.
19
