<PAGE>
<TABLE>
<S><C>
NUMBER SHARES
APT
ADVANCED
POWER
TECHNOLOGY
COMMON STOCK
INCORPORATED UNDER THE LAWS CUSIP 00761E 10 8
OF THE STATE OF DELAWARE SEE REVERSE FOR CERTAIN DEFINITIONS
THIS IS TO CERTIFY THAT
Is the owner of
fully paid and non-assessable shares, $0.01 par value, of the COMMON STOCK of
ADVANCED POWER TECHNOLOGY, INC.
(hereinafter called the "Corporation"), transferable on the books of the Corporation in person, or by duly authorized attorney,
upon surrender of this certificate properly endorsed. This certificate is not valid until countersigned by a Transfer Agent and
registered by a Registrar.
WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers.
Dated:
ADVANCED POWER TECHNOLOGY, INC.
CORPORATE SEAL
MARCH 23, 1992
DELAWARE
SECRETARY AND CHIEF FINANCIAL OFFICER PRESIDENT, CHAIRMAN AND CHIEF EXECUTIVE OFFICER
COUNTERSIGNED AND REGISTERED
AMERICAN SECURITIES TRANSFER & TRUST, INC.
P.O. BOX 1596, Denver, Colorado 80201
BY
TRANSFER AGENT AND REGISTRAR AUTHORIZED SIGNATURE
</TABLE>
<PAGE>
ADVANCED POWER TECHNOLOGY, INC.
A statement of the powers, designations, preferences and relative,
participating, optional or other special rights of each class of stock or series
thereof and the qualifications, limitations or restrictions of such preferences
and/or rights as established, from time to time, by the Certificate of
Incorporation of the Corporation and by any certificate of determination, the
number of shares constituting each class and series, and the designations
thereof, may be obtained by the holder hereof upon request and without charge
from the Secretary of the Corporation at the principal office of the
Corporation.
The following abbreviations, when used in the inscription on the face
of this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:
<TABLE>
<S><C>
TEN COM -as tenants in common UNIF GIFT MIN ACT_________Custodian__________
TEN ENT -as tenants by the entireties (Cust) (Minor)
JT TEN -as joint tenants with right Under Uniform Gifts to Minors
of survivorship and not as tenants Act___________________________________________
in common (State)
COM PROP -as community property
UNIF TRF MIN ACT_________Custodian (until age ___)
(Cust)
__________under Uniform Transfers to Minors Act
(Minor)
---------------------------------------------
(State)
</TABLE>
Additional abbreviations may also be used though not in the above list
FOR VALUE RECEIVED, _______________________________________ hereby
sell, assign and transfer unto
PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE
-------------------------------------
-------------------------------------
--------------------------------------------------------------------------------
(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
__________________________________________________________________________SHARES
of the common stock represented by the within Certificate, and do hereby
irrevocably constitute and appoint
________________________________________________________________________ATTORNEY
To transfer the said stock on the books of the within named Corporation with
full power of substitution in the premises.
Dated__________________________
X
------------------------------------
X
------------------------------------
Signature(s) Guaranteed NOTICE: The signature to
this assignment must correspond with
the name(s) as written upon the face
of the Certificate in every
particular, without alteration or
enlargement or any change whatever.
By_________________________________________________
The signature(s) must be guaranteed by an eligible
guarantor institution (banks, Stockbrokers,
savings and loan associations and credit unions
with membership In an approved signature guarantee
medallion program), pursuant to S.E.C. Rule
17Ad-15.
