<PAGE>
PROSPECTUS SUPPLEMENT FILED PURSUANT TO RULE 424(b)(4)
TO PROSPECTUS DATED MAY 22, 2000 REGISTRATION NO. 333-36112
$345,000,000
TRIQUINT SEMICONDUCTOR, INC.
4% CONVERTIBLE SUBORDINATED NOTES DUE 2007
AND SHARES OF COMMON STOCK
This prospectus supplement relates to the resale by the selling
securityholders of 4% convertible subordinated notes due 2007 of TriQuint
Semiconductor, Inc. and the shares of common stock, par value of $0.001 per
share, of TriQuint Semiconductor, Inc. issuable upon the conversion of the
notes.
This prospectus supplement should be read in conjunction with the
prospectus dated May 22, 2000, which is to be delivered with this prospectus
supplement. All capitalized terms used but not defined in the prospectus
supplement shall have the meanings given them in the prospectus.
The table below sets forth information as of the date hereof concerning
beneficial ownership of the notes of the selling securityholders as listed
below. All information concerning beneficial ownership has been furnished by the
selling securityholders.
<TABLE>
<CAPTION>
PRINCIPAL AMOUNT
OF NOTES NUMBER OF SHARES
BENEFICIALLY PERCENTAGE OF OF COMMON STOCK PERCENTAGE OF
OWNED THAT MAY NOTES THAT MAY BE COMMON STOCK
NAME BE SOLD OUTSTANDING SOLD(1) OUTSTANDING(2)
------------------------------------------------- ------------------ --------------- ----------------- --------------
<S> <C> <C> <C> <C>
Highbridge International LLC....................... $16,500,000 4.8% 121,681 *
P.O. Box 30554 5MB
Grand Cayman Islands, British West Indies
Merrill Lynch, Pierce, Fenner and Smith Inc.(3).... 10,672,000 3.1 78,702 *
101 Hudson Street
Jersey City, NJ 07320
Peoples Benefit Life Insurance Company............. 4,000,000 1.2 29,499 *
(Teamsters Separate Account)
c/o Camden Asset Management, LP
2049 Century Park East
Suite 330
Los Angeles, CA 90067
State of Connecticut Combined Investment Funds..... 3,280,000 1.0 24,189 *
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
St. Albans Partners Ltd............................ 3,000,000 * 22,124 *
c/o Camden Asset Management, LP
2049 Century Park East, Suite 330
Los Angeles, CA 90067
Vanguard Convertible Securities Fund, Inc.......... 2,895,000 * 21,350 *
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
Yield Strategies Fund II, L.P...................... 3,000,000 * 22,124 *
c/o Camden Asset Management, LP
2049 Century Park East
Suite 330
Los Angeles, CA 90067
Chrysler Corporation Master Retirement Trust....... 2,565,000 * 18,916 *
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
KBC Financial Products............................. 2,100,000 * 15,487 *
120 West 45th Street, 25th Floor
New York, NY 10036
Jeffries & Co...................................... 2,000,000 * 14,749 *
Harborside Financial Center
Suite 705, Plaza III
Jersey City, NJ 07303
Delta Airlines Master Retirement Trust............. 1,030,000 * 7,596 *
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
State Employees' Retirement Fund of the State of 675,000 * 4,978 *
Delaware........................................
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
Partner Reinsurance Company, Ltd................... 570,000 * 4,204 *
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
PRINCIPAL AMOUNT
OF NOTES NUMBER OF SHARES
BENEFICIALLY PERCENTAGE OF OF COMMON STOCK PERCENTAGE OF
OWNED THAT MAY NOTES THAT MAY BE COMMON STOCK
NAME BE SOLD OUTSTANDING SOLD(1) OUTSTANDING(2)
------------------------------------------------- ------------------ --------------- ----------------- --------------
<S> <C> <C> <C> <C>
Motion Picture Industry Health Plan--Active Member
Fund............................................ 325,000 * 2,397 *
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
Motion Picture Industry Health Plan-Retiree Member 160,000 * 1,180 *
Fund............................................
c/o Oaktree Capital Management LLC
333 South Grand Avenue, 28th Floor
Los Angeles, CA 90071
</TABLE>
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* Less than 1%
(1) Assumes conversion of the full amount of notes held by such holder at the
initial conversion price of $135.60 per share; such conversion price is
subject to adjustment as described under "Description of Notes--Conversion
of Notes." Accordingly, the number of shares of common stock issuable upon
conversion of the Notes may increase or decrease from time to time. Under
the terms of the Indenture, fractional shares will not be issued upon
conversion of the notes; cash will be paid in lieu of fractional shares, if
any.
(2) Computed in accordance with Rule 13d-3(d)(i) promulgated under the Exchange
Act and based upon 38,387,139 shares of common stock outstanding as of
April 3, 2000, treating as outstanding the number of shares of common stock
shown as being issuable upon the assumed conversion by the named holder of
the full amount of such holder's notes but not assuming the conversion of
the notes of any other holder.
(3) Merrill Lynch, Pierce, Fenner and Smith, Inc. has acted as an underwriter
for an issuance of our securities within the past three years.
-------------------------
INVESTING IN THE SECURITIES OFFERED HEREBY INVOLVES A HIGH DEGREE OF
RISK. SEE "RISK FACTORS" BEGINNING ON PAGE 8 OF THE PROSPECTUS.
THE SECURITIES AND EXCHANGE COMMISSION AND STATE SECURITIES
REGULATORS HAVE NOT APPROVED OR DISAPPROVED OF THESE
SECURITIES OR DETERMINED IF THIS PROSPECTUS IS
TRUTHFUL OR COMPLETE. ANY REPRESENTATION TO
THE CONTRARY IS A CRIMINAL OFFENSE.
-------------------------
The date of this Prospectus Supplement is June 8, 2000.
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