<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 12b-25
NOTIFICATION OF LATE FILING
SEC File No: 0-19058
(Check One):
[ ] Form 10-K [ ] Form 20-F [X] Form 11-K [ ] Form 10-Q [ ] Form N-SAR
For Period Ended: December 31, 1997
[ ] Transition Report on Form 10-K
[ ] Transition Report on Form 20-F
[ ] Transition Report on Form 11-K
[ ] Transition Report on Form 10-Q
[ ] Transition Report on Form N-SAR
For the Transition Period Ended: _________________________________________
================================================================================
Read Attached Instruction Sheet Before Preparing Form. Please Print or Type.
Nothing in this form shall be construed to imply that the Commission has
verified any information contained herein.
================================================================================
If the notification relates to a portion of the filing checked above,
identify the Item(s) to which the notification relates:________________________
- -------------------------------------------------------------------------------
================================================================================
Part I -- Registrant Information
================================================================================
Full Name of Registrant: PLATINUM technology, inc. 401(k) Savings Plan
Former Name if Applicable
_______________________________________________________________________
Address of Principal Executive Office (Street and Number)
1815 South Meyers Road, Oakbrook Terrace, Illinois 60181
================================================================================
Part II -- Rules 12b-25(b) and (c)
================================================================================
If the subject report could not be filed without unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate.)
[X] (a) The reasons described in reasonable detail in Part III of this form
could not be eliminated without unreasonable effort or expense;
[X] (b) The subject annual report, semi-annual report, transition report on
Form 10-K, Form 20-F, 11-K or Form N-SAR, or portion thereof will be filed on or
before the fifteenth calendar day following the prescribed due date; or the
subject quarterly report or transition report on Form 10-Q, or portion thereof
will be filed on or before the fifth calendar day following the prescribed due
date; and
[ ] (c) The accountant's statement or other exhibit required by Rule 12b-25(c)
has been attached if applicable.
<PAGE>
================================================================================
Part III -- Narrative
================================================================================
State below in reasonable detail the reasons why Form 10-K, 20-F, 11-K, 10-Q, N-
SAR, or the transition report or portion thereof could not be filed within the
prescribed period.
The Annual Report on Form 11-K with respect to the PLATINUM
technology, inc. 401(K) Savings Plan cannot be timely filed because certain
information, essential to the completion of the Plan financial statements,
was not provided by the Plan's administrator to PLATINUM technology, inc.
on a timely basis.
(Attach Extra Sheets if Needed)
================================================================================
Part IV -- Other Information
================================================================================
(1) Name and telephone number of person to contact in regard to this
notification
(Name) (Area Code) (Telephone Number)
Michael Cullinane 630-620-5000
Chief Financial Officer
(2) Have all other periodic reports required under Section 13 or 15(d) of
the Securities and Exchange Act of 1934 or Section 30 of the Investment Company
Act of 1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If the answer is no,
identify report(s).
[X] Yes [ ] No
(3) Is it anticipated that any significant change in results of operations
from the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof?
[ ] Yes [X] No
If so, attach an explanation of the anticipated change, both narratively
and quantitatively, and, if appropriate, state the reasons why a reasonable
estimate of the results cannot be made.
Potential changes in the Registrant's results of operations are described in the
Part III Narrative attached hereto.
(Name of Registrant as specified in charter)
PLATINUM technology, inc. 401(k) Savings Plan
has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.
Date: June 29, 1998 By: /s/ Michael Cullinane
---------------------------------
Michael Cullinane
Chief Financial Officer
INSTRUCTION: The form may be signed by an executive officer of the registrant
or by any other duly authorized representative. The name and title of the person
signing the form shall be typed or printed beneath the signature. If the
statement is signed on behalf of the registrant by an authorized representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.
