V I TECHNOLOGIES INC
SC 13G, 1999-02-05
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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<PAGE>   1


                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G
                                 (RULE 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b) (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13D-2(b)
                             (AMENDMENT NO. _____)*

                             V.I. TECHNOLOGIES, INC.
                                (Name of Issuer)

                          COMMON STOCK, $0.01 PAR VALUE
                         (Title of Class of Securities)

                                   917920 10 0
                                 (CUSIP Number)

                                    12/31/98
             (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 on 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 (the "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).


<PAGE>   2


CUSIP No. 917920 10 0                13G                   Page 2 of 19 Pages



- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      Ampersand Specialty Materials and Chemicals II Limited Partnership
      04-3157039
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) [ ]

      Not applicable                                                   (b) [ ]
- --------------------------------------------------------------------------------
3     SEC USE ONLY                                                              

                                                                                
- --------------------------------------------------------------------------------
4     CITIZENSHIP OR PLACE OF ORGANIZATION                                      
                                                                                
      Delaware                                                                  
- --------------------------------------------------------------------------------
                              5     SOLE VOTING POWER
         NUMBER OF    
           SHARES                   0 shares
        BENEFICIALLY  
          OWNED BY    
            EACH      
         REPORTING    
           PERSON     
            WITH      
                              --------------------------------------------------
                              6     SHARED VOTING POWER

                                    1,052,343 shares
                              --------------------------------------------------
                              7     SOLE DISPOSITIVE POWER

                                    0 shares
                              --------------------------------------------------
                              8     SHARED DISPOSITIVE POWER

                                    1,052,343 shares
- --------------------------------------------------------------------------------
9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      1,052,343 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]

- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      8.5%
- --------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

      PN
- --------------------------------------------------------------------------------



<PAGE>   3



CUSIP No. 917920 10 0                13G                   Page 3 of 19 Pages



- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      Ampersand Specialty Materials and Chemicals III Limited Partnership
      04-3294909
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) [ ]

      Not applicable                                                   (b) [ ]
- --------------------------------------------------------------------------------
3     SEC USE ONLY                                                              

                                                                                
- --------------------------------------------------------------------------------
4     CITIZENSHIP OR PLACE OF ORGANIZATION                                      
                                                                                
      Delaware                                                                  
- --------------------------------------------------------------------------------
                              5     SOLE VOTING POWER
         NUMBER OF    
           SHARES                   0 shares
        BENEFICIALLY  
          OWNED BY    
            EACH      
         REPORTING    
           PERSON     
            WITH      
- --------------------------------------------------------------------------------
                              6     SHARED VOTING POWER

                                    1,087,281 shares
- --------------------------------------------------------------------------------
                              7     SOLE DISPOSITIVE POWER

                                    0 shares
- --------------------------------------------------------------------------------
                              8     SHARED DISPOSITIVE POWER

                                    1,087,281 shares
- --------------------------------------------------------------------------------
9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      1,087,281 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]

- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      8.8%
- --------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

      PN
- --------------------------------------------------------------------------------



<PAGE>   4



CUSIP No. 917920 10 0                13G                   Page 4 of 19 Pages



- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      ASMC-II  Management Company Limited Partnership
      04-3157040
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                 (a) [ ]

      Not applicable                                                    (b) [ ]
- --------------------------------------------------------------------------------
3     SEC USE ONLY                                                              

                                                                                
- --------------------------------------------------------------------------------
4     CITIZENSHIP OR PLACE OF ORGANIZATION                                      
                                                                                
      Delaware                                                                  
- --------------------------------------------------------------------------------
                              5     SOLE VOTING POWER
         NUMBER OF    
           SHARES                   0 shares
        BENEFICIALLY  
          OWNED BY    
            EACH      
         REPORTING    
           PERSON     
            WITH      
- --------------------------------------------------------------------------------
                              6     SHARED VOTING POWER

                                    1,052,343 shares
- --------------------------------------------------------------------------------
                              7     SOLE DISPOSITIVE POWER

                                    0 shares
- --------------------------------------------------------------------------------
                              8     SHARED DISPOSITIVE POWER

                                    1,052,343 shares
- --------------------------------------------------------------------------------
9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      1,052,343 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]

- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      8.5%
- --------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

      PN
- --------------------------------------------------------------------------------



<PAGE>   5


CUSIP No. 917920 10 0                13G                   Page 5 of 19 Pages

- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      ASMC-III Managenment Company Limited Partnership
      04-3294905
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) [ ]

      Not applicable                                                   (b) [ ]
- --------------------------------------------------------------------------------
3     SEC USE ONLY                                                              

                                                                                
- --------------------------------------------------------------------------------
4     CITIZENSHIP OR PLACE OF ORGANIZATION                                      
                                                                                
      Delaware                                                                  
- --------------------------------------------------------------------------------
                              5     SOLE VOTING POWER
         NUMBER OF    
           SHARES                   0 shares
        BENEFICIALLY  
          OWNED BY    
            EACH      
         REPORTING    
           PERSON     
            WITH      
- --------------------------------------------------------------------------------
                              6     SHARED VOTING POWER

                                    1,104,960 shares
- --------------------------------------------------------------------------------
                              7     SOLE DISPOSITIVE POWER

                                    0 shares
- --------------------------------------------------------------------------------
                              8     SHARED DISPOSITIVE POWER

                                    1,104,960 shares
- --------------------------------------------------------------------------------
9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      1,104,960 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]

- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      8.9%
- --------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

      PN
- --------------------------------------------------------------------------------



<PAGE>   6


CUSIP No. 917920 10 0                13G                   Page 6 of 19 Pages

- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      ASMC-II MCLP LLP
      04-3341533
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) [ ]

      Not applicable                                                   (b) [ ]
- --------------------------------------------------------------------------------
3     SEC USE ONLY                                                              

                                                                                
- --------------------------------------------------------------------------------
4     CITIZENSHIP OR PLACE OF ORGANIZATION                                      
                                                                                
      Delaware                                                                  
- --------------------------------------------------------------------------------
                              5     SOLE VOTING POWER
         NUMBER OF    
           SHARES                   0 shares
        BENEFICIALLY  
          OWNED BY    
            EACH      
         REPORTING    
           PERSON     
            WITH      
- --------------------------------------------------------------------------------
                              6     SHARED VOTING POWER

                                    1,052,343 shares
- --------------------------------------------------------------------------------
                              7     SOLE DISPOSITIVE POWER

                                    0 shares
- --------------------------------------------------------------------------------
                              8     SHARED DISPOSITIVE POWER

                                    1,052,343 shares
- --------------------------------------------------------------------------------
9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      1,052,343 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]

- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      8.5%
- --------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

      PN
- --------------------------------------------------------------------------------



<PAGE>   7


CUSIP No. 917920 10 0                13G                   Page 7 of 19 Pages

- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      ASMC-III MCLP LLP
      04-0493924
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) [ ]

      Not applicable                                                   (b) [ ]
- --------------------------------------------------------------------------------
3     SEC USE ONLY                                                              

                                                                                
- --------------------------------------------------------------------------------
4     CITIZENSHIP OR PLACE OF ORGANIZATION                                      
                                                                                
      Delaware                                                                  
- --------------------------------------------------------------------------------
                              5     SOLE VOTING POWER
         NUMBER OF    
           SHARES                   0 shares
        BENEFICIALLY  
          OWNED BY    
            EACH      
         REPORTING    
           PERSON     
            WITH      
- --------------------------------------------------------------------------------
                              6     SHARED VOTING POWER

                                    1,104,960 shares
- --------------------------------------------------------------------------------
                              7     SOLE DISPOSITIVE POWER

                                    0 shares
- --------------------------------------------------------------------------------
                              8     SHARED DISPOSITIVE POWER

                                    1,104,960 shares
- --------------------------------------------------------------------------------
9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      1,104,960 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]

- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      8.9%
- --------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

      PN
- --------------------------------------------------------------------------------



<PAGE>   8


CUSIP No. 917920 10 0                13G                   Page 8 of 19 Pages

- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      Richard A. Charpie 
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) [ ]

      Not applicable                                                  (b) [ ]
- --------------------------------------------------------------------------------
3     SEC USE ONLY                                                              

                                                                                
- --------------------------------------------------------------------------------
4     CITIZENSHIP OR PLACE OF ORGANIZATION                                      
                                                                                
      United States of America                                                  
- --------------------------------------------------------------------------------
                              5     SOLE VOTING POWER
         NUMBER OF    
           SHARES                   0 shares
        BENEFICIALLY  
          OWNED BY    
            EACH      
         REPORTING    
           PERSON     
            WITH      
- --------------------------------------------------------------------------------
                              6     SHARED VOTING POWER

                                    2,630,857 shares
- --------------------------------------------------------------------------------
                              7     SOLE DISPOSITIVE POWER

                                    0 shares
- --------------------------------------------------------------------------------
                              8     SHARED DISPOSITIVE POWER

                                    2,630,857 shares
- --------------------------------------------------------------------------------
9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      2,630,857 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]

- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      21.3%
- --------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON*

      IN
- --------------------------------------------------------------------------------



<PAGE>   9



CUSIP No. 917920 10 0                13G                   Page 9 of 19 Pages



ITEM 1(a). NAME OF ISSUER:

      V.I. Technologies, Inc.

ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

      155 Duryea Road, Melville, New York 11747

ITEM 2(a). NAME OF PERSON FILING:

      Ampersand Specialty Materials and Chemicals II Limited Partnership
      Ampersand Specialty Materials and Chemicals III Limited Partnership
      ASMC-II Management Company Limited Partnership
      ASMC-III Management Company Limited Partnership
      ASMC-II MCLP LLP
      ASMC-III MCLP LLP
      Richard A. Charpie

      See Exhibit 1 for a list of the General Partners of ASMC-II MCLP LLP and
ASMC-III MCLP LLP.

ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICES OR, IF NONE, RESIDENCE:

      All filing parties:
      c/o Ampersand Ventures
      55 William Street, Suite 240
      Wellesley, MA 02481

ITEM 2(c). CITIZENSHIP:

      Ampersand Specialty Materials and Chemicals II Limited Partnership,
Ampersand Specialty Materials and Chemicals III Limited Partnership, ASMC-II
Management Company Limited Partnership, ASMC-III Management Company Limited
Partnership, ASMC-II MCLP LLP and ASMC-III MCLP LLP are organized under the laws
of the State of Delaware.

      Richard A. Charpie is a citizen of the United States of America.

ITEM 2(d). TITLE OF CLASS OF SECURITIES:

      Common Stock, $0.01 par value

ITEM 2(e). CUSIP NUMBER:

      917920 10 0

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR
        13d-2(b) OR (c), CHECK


<PAGE>   10



CUSIP No. 917920 10 0                13G                  Page 10 of 19 Pages



               WHETHER THE PERSON FILING IS A: Not applicable.

           (a) (TM) Broker or dealer registered under Section 15 of the
                    Exchange Act.

           (b) (TM) Bank as defined in Section 3(a)(6) of the Exchange Act.

           (c) (TM) Insurance company as defined in Section 3(a)(19) of the
                    Exchange Act.

           (d) (TM) Investment Company registered under Section 8 of the
                    Investment Company Act.

           (e) (TM) An investment adviser in accordance with Rule
                    13d-1(b)(1)(ii)(E);

           (f) (TM) An employee benefit plan or endowment fund in accordance
                    with Rule 13d-1(b)(1)(ii)(F);

           (g) (TM) A parent holding company or control person in accordance
                    with Rule 13d-1(b)(1)(ii)(G);

           (h) (TM) A savings association as defined in Section 3(b) of the
                    Federal Deposit Insurance Act;

           (i) (TM) A church plan that is excluded from the definition
                    of an investment company under Section 3(c)(14) of the
                    Investment Company Act;

           (j) (TM) Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If this
                    statement is filed pursuant to Rule 13d-1(c), check this 
                    box. (TM)

ITEM 4. OWNERSHIP.

     Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

     (a) Amount beneficially owned:

     Ampersand Specialty Materials and Chemicals II Limited Partnership owns
1,052,343 shares.

     Ampersand Specialty Materials and Chemicals III Limited Partnership owns
1,087,281 shares.

     ASMC-II Management Company Limited Partnership may be attributed with the
ownership of 1,052,343 shares held by Ampersand Specialty Materials and
Chemicals II Limited Partnership, of which it is the General Partner. ASMC-II
Management Company Limited 



<PAGE>   11



CUSIP No. 917920 10 0                13G                  Page 11 of 19 Pages



Partnership disclaims beneficial ownership of these
shares except to the extent of its proportionate pecuniary interest therein.

     ASMC-III Management Company Limited Partnership may be attributed with the
ownership of 1,087,281 shares held by Ampersand Specialty Materials and
Chemicals III Limited Partnership and 17,679 shares held by Ampersand Specialty
Materials and Chemicals III Companion Fund Limited Partnership, of which
partnerships it is the General Partner. ASMC-III Management Company Limited
Partnership disclaims beneficial ownership of these shares except to the extent
of its proportionate pecuniary interest therein.

     ASMC-II MCLP LLP may be attributed with the ownership of 1,052,343 shares
held by Ampersand Specialty Materials and Chemicals II Limited Partnership.
ASMC-II MCLP LLP is the General Partner of ASMC-II Management Company Limited
Partnership, which is the General Partner of Ampersand Specialty Materials and
Chemicals II Limited Partnership. ASMC-II MCLP LLP disclaims beneficial
ownership of these shares except to the extent of its proportionate pecuniary
interest therein.

     ASMC-III MCLP LLP may be attributed with the ownership of 1,087,281 shares
held by Ampersand Specialty Materials and Chemicals III Limited Partnership and
17,679 shares held by Ampersand Specialty Materials and Chemicals III Companion
Fund Limited Partnership. ASMC-III MCLP LLP is the General Partner of ASMC-III
Management Company Limited Partnership, which is the General Partner of
Ampersand Specialty Materials and Chemicals III Limited Partnership and
Ampersand Specialty Materials and Chemicals III Companion Fund Limited
Partnership. ASMC-III MCLP LLP disclaims beneficial ownership of these shares
except to the extent of its proportionate pecuniary interest therein.

     Richard A. Charpie may be attributed with the ownership of 1,052,343 shares
held by Ampersand Specialty Materials and Chemicals II Limited Partnership,
1,087,281 shares held by Ampersand Specialty Materials and Chemicals III Limited
Partnership, 17,679 shares held by Ampersand Specialty Materials and Chemicals
III Companion Fund Limited Partnership, 331,488 shares held by Laboratory
Partners I Limited Partnership and 142,066 shares held by Laboratory Partners
Companion Fund Limited Partnership. Dr. Charpie is the Managing General Partner
of ASMC-II MCLP LLP, ASMC-III MCLP LLP, and Ampersand Lab Partners MCLP LLP.
ASMC-II MCLP LLP is the General Partner of ASMC-II Management Company Limited
Partnership, which is the General Partner of Ampersand Specialty Materials and
Chemicals II Limited Partnership. ASMC-III MCLP LLP is the General Partner of
ASMC-III Management Company Limited Partnership, which is the General Partner of
Ampersand Specialty Materials and Chemicals III Limited Partnership and
Ampersand Specialty Materials and Chemicals III Companion Fund Limited
Partnership. Ampersand Lab Partners MCLP LLP is the General Partner of Ampersand
Lab Partners Management Company Limited Partnership, which is the General
Partner of Laboratory Partners I Limited Partnership and Laboratory Partners
Companion Fund Limited Partnership. Dr. Charpie disclaims beneficial ownership
of all shares except to the extent of his proportionate pecuniary interest
therein.

     (b) Percent of class:

     Ampersand Specialty Materials and Chemicals II Limited Partnership 8.5%



<PAGE>   12



CUSIP No. 917920 10 0                13G                  Page 12 of 19 Pages



     Ampersand Specialty Materials and Chemicals III Limited Partnership 8.8% 
     ASMC-II Management Company Limited Partnership 8.5% 
     ASMC-III Management Company Limited Partnership 8.9% 
     ASMC-II MCLP LLP 8.5% ASMC-III MCLP LLP 8.9% 
     Richard A. Charpie 21.3%

The foregoing percentages are calculated based on 12,350,038 shares of Common
Stock outstanding as of December 31, 1998.

     (c) Number of shares as to which such person has:

         (i)  Sole power to vote or direct the vote:

      None.

         (ii) Shared power to vote or direct the vote:

     Ampersand Specialty Materials and Chemicals II Limited Partnership shares
voting power over 1,052,343 shares.

     Ampersand Specialty Materials and Chemicals III Limited Partnership shares
voting power over 1,087,281 shares.

     ASMC-II Management Company Limited Partnership shares voting power over
1,052,343 shares held by Ampersand Specialty Materials and Chemicals II Limited
Partnership.

     ASMC-III Management Company Limited Partnership shares voting power over
1,087,281 shares held by Ampersand Specialty Materials and Chemicals III Limited
Partnership and 17,679 shares held by Ampersand Specialty Materials and
Chemicals III Companion Fund Limited Partnership

     ASMC-II MCLP LLP shares voting power over 1,052,343 shares held by
Ampersand Specialty Materials and Chemicals II Limited Partnership.

     ASMC-III MCLP LLP shares voting power over 1,087,281 shares held by
Ampersand Specialty Materials and Chemicals III Limited Partnership and 17,679
shares held by Ampersand Specialty Materials and Chemicals III Companion Fund
Limited Partnership

     Richard A. Charpie shares voting power over 1,052,343 shares held by
Ampersand Specialty Materials and Chemicals II Limited Partnership, 1,087,281
shares held by Ampersand Specialty Materials and Chemicals III Limited
Partnership, 17,679 shares held by Ampersand Specialty Materials and Chemicals
III Companion Fund Limited Partnership, 331,488 shares held by Laboratory
Partners I Limited Partnership and 142,066 shares held by Laboratory Partners
Companion Fund Limited Partnership.



<PAGE>   13



CUSIP No. 917920 10 0                13G                  Page 13 of 19 Pages



         (iii) Sole power to dispose or to direct the disposition of:

     None.

         (iv) Shared power to dispose or to direct the disposition of:

     Ampersand Specialty Materials and Chemicals II Limited Partnership shares
dispositive power over 1,052,343 shares.

     Ampersand Specialty Materials and Chemicals III Limited Partnership shares
dispositive power over 1,087,281 shares.

     ASMC-II Management Company Limited Partnership shares dispositive power
over 1,052,343 shares held by Ampersand Specialty Materials and Chemicals II
Limited Partnership.

     ASMC-III Management Company Limited Partnership shares dispositive power
over 1,087,281 shares held by Ampersand Specialty Materials and Chemicals III
Limited Partnership and 17,679 shares held by Ampersand Specialty Materials and
Chemicals III Companion Fund Limited Partnership

     ASMC-II MCLP LLP shares dispositive power over 1,052,343 shares held by
Ampersand Specialty Materials and Chemicals II Limited Partnership.

     ASMC-III MCLP LLP shares dispositive power over 1,087,281 shares held by
Ampersand Specialty Materials and Chemicals III Limited Partnership and 17,679
shares held by Ampersand Specialty Materials and Chemicals III Companion Fund
Limited Partnership

     Richard A. Charpie shares dispositive power over 1,052,343 shares held by
Ampersand Specialty Materials and Chemicals II Limited Partnership, 1,087,281
shares held by Ampersand Specialty Materials and Chemicals III Limited
Partnership, 17,679 shares held by Ampersand Specialty Materials and Chemicals
III Companion Fund Limited Partnership, 331,488 shares held by Laboratory
Partners I Limited Partnership and 142,066 shares held by Laboratory Partners
Companion Fund Limited Partnership.

ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

     Not applicable.

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.



<PAGE>   14



CUSIP No. 917920 10 0                13G                  Page 14 of 19 Pages



ITEM 8.    IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

     Not applicable.

ITEM 9.    NOTICE OF DISSOLUTION OF GROUP.

     Not applicable.

ITEM 10.   CERTIFICATION.

      Not applicable.






<PAGE>   15



CUSIP No. 917920 10 0                13G                  Page 15 of 19 Pages



                                    SIGNATURE

     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.

AMPERSAND SPECIALTY MATERIALS AND CHEMICALS II LIMITED PARTNERSHIP
By: ASMC-II Management Company Limited Partnership, its General Partner,
By: ASMC-II MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



ASMC-II MANAGEMENT COMPANY LIMITED PARTNERSHIP
By: ASMC-II MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



ASMC-II MCLP LLP
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



AMPERSAND SPECIALTY MATERIALS AND CHEMICALS III LIMITED PARTNERSHIP
By: ASMC-III Management Company Limited Partnership, its General Partner,
By: ASMC-III MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner



/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



<PAGE>   16



CUSIP No. 917920 10 0                13G                  Page 16 of 19 Pages



ASMC-III MANAGEMENT COMPANY LIMITED PARTNERSHIP
By: ASMC-III MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



ASMC-III MCLP LLP
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



RICHARD A. CHARPIE


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



<PAGE>   17



CUSIP No. 917920 10 0                13G                  Page 17 of 19 Pages



                                    EXHIBIT 1

General Partners of ASMC-II MCLP LLP:

           Richard A. Charpie
           Stuart A. Auerbach
           Robert A. Charpie
           Peter D. Parker
           Charles D. Yie

General Partners of ASMC-III MCLP LLP:

           Richard A. Charpie
           Stuart A. Auerbach
           K. Kachadurian
           David J. Parker
           Peter D. Parker
           Charles D. Yie


<PAGE>   18



CUSIP No. 917920 10 0                13G                  Page 18 of 19 Pages


                                    EXHIBIT 2


                            JOINT FILING AGREEMENT OF
       AMPERSAND SPECIALTY MATERIALS AND CHEMICALS II LIMITED PARTNERSHIP,
      AMPERSAND SPECIALTY MATERIALS AND CHEMICALS III LIMITED PARTNERSHIP,
                 ASMC-II MANAGEMENT COMPANY LIMITED PARTNERSHIP,
                ASMC-III MANAGEMENT COMPANY LIMITED PARTNERSHIP,
                                ASMC-II MCLP LLP,
                              ASMC-III MCLP LLP AND
                               RICHARD A. CHARPIE


     The undersigned persons agree and consent under Rule 13d-1(k)(1) of the
Securities Exchange Act of 1934, as of the date set forth below, to the joint
filing on their behalf of the Schedule 13G to which this Exhibit is attached, in
connection with their beneficial ownership of the common stock of V.I.
Technologies, Inc. at December 31, 1998 and agree that such statement is filed
on behalf of each of them.



AMPERSAND SPECIALTY MATERIALS AND CHEMICALS II LIMITED PARTNERSHIP
By: ASMC-II Management Company Limited Partnership, its General Partner,
By: ASMC-II MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



ASMC-II MANAGEMENT COMPANY LIMITED PARTNERSHIP
By: ASMC-II MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



ASMC-II MCLP LLP
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999


<PAGE>   19



CUSIP No. 917920 10 0                13G                  Page 19 of 19 Pages



AMPERSAND SPECIALTY MATERIALS AND CHEMICALS III LIMITED PARTNERSHIP
By: ASMC-III Management Company Limited Partnership, its General Partner,
By: ASMC-III MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



ASMC-III MANAGEMENT COMPANY LIMITED PARTNERSHIP
By: ASMC-III MCLP LLP, its General Partner,
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



ASMC-III MCLP LLP
By: Richard A. Charpie, its Managing General Partner


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999



RICHARD A. CHARPIE


/s/ Richard A. Charpie
- -----------------------------
Richard A. Charpie
Dated:  February 3, 1999




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