<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 1)*
Plantronics, Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
727493-10-8
--------------------------------------------------------
(CUSIP Number)
December 31, 1998
- --------------------------------------------------------------------------------
(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).
Page 1
of 10 Pages
<PAGE>
SCHEDULE 13G
CUSIP NO. 727493-10-8 Page 2 of 10 Pages
- -------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Citicorp Venture Capital Ltd.
13-2598089
- -------------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) / /
(b) / /
- -------------------------------------------------------------------------------
(3) SEC USE ONLY
- -------------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION New York
- -------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER 0
SHARES
----------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER 4,502,168
OWNED BY
----------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER 0
REPORTING
----------------------------------------------------
PERSON (8) SHARED DISPOSITIVE POWER 4,502,168
WITH:
- -------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,502,168
- -------------------------------------------------------------------------------
(10) CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) / /
- -------------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 27.2%
- -------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO
- -------------------------------------------------------------------------------
<PAGE>
SCHEDULE 13G
CUSIP NO. 727493-10-8 Page 3 of 10 Pages
- -------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Citibank, N.A.
13-5266470
- -------------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) / /
(b) / /
- -------------------------------------------------------------------------------
(3) SEC USE ONLY
- -------------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
- -------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER 0
SHARES
----------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER 4,502,168
OWNED BY
----------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER 0
REPORTING
----------------------------------------------------
PERSON (8) SHARED DISPOSITIVE POWER 4,502,168
WITH:
- -------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,502,168
- -------------------------------------------------------------------------------
(10) CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) / /
- -------------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 27.2%
- -------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) BK
- -------------------------------------------------------------------------------
<PAGE>
SCHEDULE 13G
CUSIP NO. 727493-10-8 Page 4 of 10 Pages
- -------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Citicorp
06-1515595
- -------------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) / /
(b) / /
- -------------------------------------------------------------------------------
(3) SEC USE ONLY
- -------------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
- -------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER 0
SHARES
----------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER 4,502,168
OWNED BY
----------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER 0
REPORTING
----------------------------------------------------
PERSON (8) SHARED DISPOSITIVE POWER 4,502,168
WITH:
- -------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,502,168
- -------------------------------------------------------------------------------
(10) CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) / /
- -------------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 27.2%
- -------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) HC
- -------------------------------------------------------------------------------
<PAGE>
SCHEDULE 13G
CUSIP NO. 727493-10-8 Page 5 of 10 Pages
- -------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Citigroup Foundation
- -------------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) / /
(b) / /
- -------------------------------------------------------------------------------
(3) SEC USE ONLY
- -------------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
- -------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER 0
SHARES
----------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER 1,000,000
OWNED BY
----------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER 0
REPORTING
----------------------------------------------------
PERSON (8) SHARED DISPOSITIVE POWER 1,000,000
WITH:
- -------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,000,000
- -------------------------------------------------------------------------------
(10) CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) / /
- -------------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.0%
- -------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO
- -------------------------------------------------------------------------------
<PAGE>
SCHEDULE 13G
CUSIP NO. 727493-10-8 Page 6 of 10 Pages
- -------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Citigroup Inc.
52-1568099
- -------------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) / /
(b) / /
- -------------------------------------------------------------------------------
(3) SEC USE ONLY
- -------------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
- -------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER 0
SHARES
----------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER 6,245,650
OWNED BY
----------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER 0
REPORTING
----------------------------------------------------
PERSON (8) SHARED DISPOSITIVE POWER 6,245,650
WITH:
- -------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,245,650
- -------------------------------------------------------------------------------
(10) CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) / /
- -------------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 37.7%
- -------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) HC
- -------------------------------------------------------------------------------
<PAGE>
Item 1(a). Name of Issuer:
Plantronics, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
337 Encinal Street, P.O. Box 1802
Santa Cruz, CA 95061-1802
Item 2(a). Name of Person Filing:
Citicorp Venture Capital Ltd. ("CVC")
Citibank, N.A. ("Citibank")
Citicorp
Citigroup Foundation
Citigroup Inc. ("Citigroup"). Citigroup is hereby amending
the Schedule 13G previously filed by Citicorp, Citibank and
CVC, which are now wholly owned subsidiaries of Citigroup.
Item 2(b). Address or Principal Office or, if none, Residence:
The address of the principal office of each of Citibank,
CVC and Citicorp is:
399 Park Avenue
New York, NY 10043
The address of the principal office of each of Citigroup
Foundation and Citigroup is:
153 East 53rd Street
New York, NY 10043
Item 2(c). Citizenship or Place of Organization:
CVC is a New York corporation
Citibank is a national banking association.
Citicorp and Citigroup are Delaware corporations.
Citigroup Foundation is a Delaware non-stock corporation.
Item 2(d). Title of Class of Securities:
Common Stock
Item 2(e). Cusip Number:
727493-10-8
Page 7
of 10 Pages
<PAGE>
Item 3. If this Statement is Filed Pursuant to Sections 240.13d-1(b) or
240.13d-2(b) or (c), Check Whether the Person Filing is a(n):
(a) [ ] Broker or dealer registered under section 15 of the
Act (15 U.S.C. 78o);
(b) [X] Bank as defined in section 3(a)(6) of the Act
(15 U.S.C. 78c);
(c) [ ] Insurance company as defined in section 3(a)(19) of
the Act (15 U.S.C. 78c);
(d) [ ] Investment company registered under Section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e) [ ] Investment adviser in accordance with Section
240.13d-1(b)(1)(ii)(E);
(f) [ ] Employee benefit plan or endowment fund in accordance
with Section 240.13d-1(b)(1)(ii)(F);
(g) [X] Parent holding company or control person in accordance
with Section 240.13d-1(b)(1)(ii)(G);
(h) [ ] Savings association as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) [ ] Church plan that is excluded from the definition of an
investment company under Section 3(c)(14) of the
Investment Company Act of 1940 (15 U.S.C. 80a-3)
(j) [ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).
Item 4. Ownership. (as of December 31, 1998)
(a) Amount beneficially owned: See item 9 of cover pages
(b) Percent of Class: See item 11 of cover pages
(c) Number of shares as to which the person has:
(i) sole power to vote or to direct the vote:
(ii) shared power to vote or to direct the vote:
(iii) sole power to dispose or to direct the disposition of:
(iv) shared power to dispose or to direct the disposition of:
See Items 5-8 of cover pages
Page 8
of 10 Pages
<PAGE>
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.
Citibank is the sole stockholder of CVC. Citicorp is the
sole stockholder of Citibank. Citigroup is the sole stockholder
of Citicorp. Citigroup Foundation is a private charitable
foundation affiliated with Citigroup.
Item 8. Identification and Classification of Members of the Group.
Not Applicable.
Item 9. Notice of Dissolution of Group.
Not Applicable.
Page 9
of 10 Pages
<PAGE>
Item 10. Certification.
Not Applicable.
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.
Dated: February 3, 1999
CITICORP VENTURE CAPITAL LTD.
By: /s/ Helene Shavin
-----------------------------
Name: Helene Shavin
Title: Vice President
CITIBANK, N.A.
By: /s/ Kenneth S. Cohen
-----------------------------
Name: Kenneth S. Cohen
Title: Vice President and
Assistant Secretary
CITICORP
By: /s/ George E. Seegers
-----------------------------
Name: George E. Seegers
Title: Vice President and
Secretary Pro-Tem
CITIGROUP FOUNDATION
By: /s/ Alan Okada
-----------------------------
Name: Alan Okada
Title: Treasurer
CITIGROUP INC.
By: /s/ Marla A. Berman
-----------------------------
Name: Marla A. Berman
Title: Assistant Secretary
Page 10
of 10 Pages
<PAGE>
EXHIBIT INDEX TO SCHEDULE 13G
-----------------------------
EXHIBIT 1
- ---------
Agreement among CVC, Citibank, Citicorp, Citigroup Foundation and Citigroup
as to joint filing of Schedule 13G
EXHIBIT 2
- ---------
Disclaimer of Beneficial Ownership
<PAGE>
EXHIBIT 1
---------
AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G
--------------------------------------------
Each of the undersigned hereby affirms that it is individually eligible to use
Schedule 13G, and agrees that this Schedule 13G is filed on its behalf.
Date: February 3, 1999
CITICORP VENTURE CAPITAL LTD.
By: /s/ Helene Shavin
-----------------------------
Name: Helene Shavin
Title: Vice President
CITIBANK, N.A.
By: /s/ Kenneth S. Cohen
---------------------------------------------
Name: Kenneth S. Cohen
Title: Vice President and
Assistant Secretary
CITICORP
By: /s/ George E. Seegers
--------------------------------------------
Name: George E. Seegers
Title: Vice President and
Secretary Pro-Tem
CITIGROUP FOUNDATION
By: /s/ Alan Okada
--------------------------------------------
Name: Alan Okada
Title: Treasurer
CITIGROUP INC.
By: /s/ Marla A. Berman
--------------------------------------------
Name: Marla A. Berman
Title: Assistant Secretary
<PAGE>
EXHIBIT 2
---------
DISCLAIMER OF BENEFICIAL OWNERSHIP
----------------------------------
The undersigned disclaims beneficial ownership of the 1,000,000 shares of
common stock owned by the Citigroup Foundation and referred to in the
Schedule 13G to which this exhibit is attached, and the filing of this
Schedule 13G shall not be construed as an admission that the undersigned is,
for the purpose of Section 13(d) or 13(g) of the Securities Exchange Act of
1934, as amended, the beneficial owner of any such shares.
Date: February 3, 1999
CITIGROUP INC.
By: /s/ Marla A. Berman
---------------------------
Name: Marla A. Berman
Title: Assistant Secretary
