UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)
MYRIAD GENETICS, INC.
(Name of Issuer)
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Common Stock
(Title of Class of Securities)
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62855J104
(CUSIP Number)
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December 31, 1998
(Date of Event Which Requires Filing of this Statement)
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Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:
/x/ Rule 13d-1(b)
/ / Rule 13d-1(c)
/ / 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).
Potential persons who are to respond to the collection of
information contained in this form are not required to
respond unless the form displays a currently valid OMB
control number.
Page 1 of 6 pages
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Cusip 62855J104
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1
Names of Reporting Persons
I.R.S. Identification Nos. of above persons (entities
only).
UBS Brinson, Inc. (formerly known as UBS Asset Management
(New York) Inc.
13-2725861
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2
Check the Appropriate Box if a Member of a Group (See
Instructions)
a / /
b /x/ See Item 8 of attached schedule.
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3
SEC USE ONLY
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4
Citizenship or Place of Organization - New York
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Number of 5. Sole Voting Power __________
Shares Bene- 6. Shared Voting Power 499,500
ficially 7. Sole Dispositive Power __________
Owned by Each 8. Shared Dispositive Power 499,500
Reporting
Person With:
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9
Aggregate Amount Beneficially Owned by Each Reporting
Person
499,500 Shares *
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10
Check if the Aggregate Amount in Row (11) Excludes Certain
Shares (See Instructions)
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11
Percent of Class Represented by Amount in Row (11)
5.3%
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12
Type of Reporting Person (See Instructions)
IA
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* UBS Brinson, Inc. disclaims beneficial ownership of such
securities.
Page 2 of 6 pages
<PAGE>
Cusip 62855J104
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1
Names of Reporting Persons
I.R.S. Identification Nos. of above persons (entities
only).
UBS AG
98-0186363
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2
Check the Appropriate Box if a Member of a Group (See
Instructions)
a / /
b /x/ See Item 8 of attached schedule.
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3
SEC USE ONLY
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4
Citizenship or Place of Organization - Switzerland
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Number of 5. Sole Voting Power __________
Shares Bene- 6. Shared Voting Power 499,500
ficially 7. Sole Dispositive Power __________
Owned by Each 8. Shared Dispositive Power 499,500
Reporting
Person With:
- -----------------------------------------------------------
9
Aggregate Amount Beneficially Owned by Each Reporting
Person
499,500 Shares *
- -----------------------------------------------------------
10
Check if the Aggregate Amount in Row (11) Excludes Certain
Shares (See Instructions)
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11
Percent of Class Represented by Amount in Row (11)
5.3%
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12
Type of Reporting Person (See Instructions)
BK See Item 3 of attached schedule.
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* UBS AG disclaims beneficial ownership of such securities.
Page 3 of 6 pages
<PAGE>
Cusip 62855J104
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Item 1(a). Name of Issuer:
MYRIAD GENETICS, INC.
Item 1(b). Address of Issuer's Principal Executive
Offices:
320 Wakara Way
Salt Lake City, UT 84108
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Item 2(a) Name of Persons Filing:
UBS Brinson, Inc. ("UBS") and UBS AG ("UBSAG").
Item 2(b) Address of Principal Business Office or, if none,
Residence:
UBS's principal business office is located at:
10 E. 50th Street, New York, NY 10022
UBSAG's principal business office is located at:
Bahnhofstrasse 45
8021, Zurich, Switzerland
Item 2(c) Citizenship:
Incorporated by reference to Item 4 of the cover pages.
Item 2(d) Title of Class of Securities:
Common Stock (the "Common Stock")
Item 2(e) CUSIP Number:
62855J104
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Item 3. Type of Person Filing:
UBS is an Investment Adviser registered under section 203
of the Investment Advisers Act of 1940. UBS AG is
classified as a Bank as defined in section 3(a)(6) of the
Act pursuant to no action relief granted by the staff of
the Securities and Exchange Commission.
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Item 4 (a)-(c)(iv). Ownership:
Incorporated by reference to Items 5-11 of the cover pages.
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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 / /.
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Page 4 of 6 pages
<PAGE>
Cusip 62855J104
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Item 6. Ownership of More than Five Percent on Behalf of
Another Person:
Accounts managed on a discretionary basis by UBS and/or UBS
AG have the right to receive or the power to direct the
receipt of dividends from, or the proceeds from the sale
of, the Common Stock. No account holds more than 5 percent
of the outstanding Common Stock.
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Item 7. Identification and Classification of the
Subsidiary Which Acquired the Security Being Reported on By
the Parent Holding Company:
[See item 3 above]
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Item 8 Identification and Classification of Members of the
Group:
UBS is an indirect wholly-owned subsidiary of UBS AG. UBS
AG is reporting indirect beneficial ownership of holdings
by reason of its ownership of UBS and UBS (USA) Inc., a
parent holding company of UBS. UBS AG does not hereby
affirm the existence of a group within the meaning of Rule
13d-5(b)(1).
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Item 9 Notice of Dissolution of Group:
Not Applicable
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Item 10 Certification:
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above were
acquired and are held in the ordinary course of business
and were not acquired and are not held for the purpose of
or with the effect of changing or influencing the control
of the issuer of the securities and were not acquired and
are not held in connection with or as a participant in any
transaction having that purpose or effect.
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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.
Date: April 14, 1999
UBS Brinson, Inc.
By:/s/ Mark F. Kemper By:/s/ Samuel W. Anderson
Mark F. Kemper Samuel W. Anderson
Secretary President
UBS AG
By: /s/ Louis R. Eber By:/s/ Janet R. Zimmer
Louis R. Eber Janet R. Zimmer
Executive Director Executive Director
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Page 5 of 6 pages
<PAGE>
Cusip 62855J104
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EXHIBIT 1
AGREEMENT TO MAKE A JOINT FILING
UBS Brinson, Inc. and UBS AG each agrees that this Schedule
13G (including all amendments thereto) is filed by and on
behalf of each such party.
Date: April 14, 1999
UBS Brinson, Inc.
By:/s/ Mark F. Kemper By:/s/ Samuel W. Anderson
Mark F. Kemper Samuel W. Anderson
Secretary President
UBS AG
By: /s/ Louis R. Eber By:/s/ Janet R. Zimmer
Louis R. Eber Janet R. Zimmer
Executive Director Executive Director
Page 6 of 6 pages
