<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 15
CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(G) OF
THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER
SECTIONS 13 AND 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934.
Commission File Number 0-19058
PLATINUM technology International, inc.
- --------------------------------------------------------------------------------
(Exact name of registrant as specified in its charter)
1815 South Meyers Road, Oakbrook Terrace, Illinois 60181, (630) 620-5000
- --------------------------------------------------------------------------------
(Address, including zip code, and telephone number, including
area code, of registrant's principal executive offices)
6 3/4% Convertible Subordinated Notes due 2001
6 1/4% Convertible Subordinated Notes due 2002
- --------------------------------------------------------------------------------
(Title of each class of securities covered by this Form)
none
- --------------------------------------------------------------------------------
(Titles of all other classes of securities for which a duty
to file reports under Section 13(a) or 15(d) remains)
Please place an X in the box(es) to designate the appropriate
rule provision(s) relied upon to terminate or suspend the duty
to file reports:
Rule 12g-4(a)(1)(i) [X] Rule 12h-3(b)(1)(i) [X]
Rule 12g-4(a)(1)(ii) [ ] Rule 12h-3(b)(1)(ii) [ ]
Rule 12g-4(a)(2)(i) [ ] Rule 12h-3(b)(2)(i) [ ]
Rule 12g-4(a)(2)(ii) [ ] Rule 12h-3(b)(2)(ii) [ ]
Rule 15d-6 [ ]
Approximate number of holders of record as of the certification or
notice date: One
------------------------
Pursuant to the requirements of the Securities Exchange Act of 1934,
PLATINUM TECHNOLOGY International, INC. has caused this certification/notice to
be signed on its behalf by the undersigned duly authorized person.
Date: August 13, 1999 By: /s/ Steven M. Woghin
--------------- ----------------------------------
Name: Steven M. Woghin
Title: Vice President & Treasurer
Instruction: This form is required by Rules 12g-4, 12h-3 and 15d-6 of the
General Rules and Regulations under the Securities Exchange Act of 1934. The
registrant shall file with the Commission three copies of Form 15, one of which
shall be manually signed. It may be signed by an officer of the registrant, by
counsel or by any other duly authorized person. The name and title of the person
signing the form shall be typed or printed under the signature.
