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                                   EXHIBIT 2.1

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                      AGREEMENT AND PLAN OF REORGANIZATION



                                   dated as of


                                December 2, 1997


                                  by and among


                           Giga-tronics Incorporated,


                             Giga Acquisition Corp.


                                       and


                                Ultracision, Inc.

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                      AGREEMENT AND PLAN OF REORGANIZATION


        THIS AGREEMENT AND PLAN OF REORGANIZATION (this "Agreement") is entered
into as of the 26th day of November, 1997, by and among Giga-tronics
Incorporated, a California corporation ("Giga-tronics"), Giga Acquisition Corp.,
a Delaware corporation and a wholly owned subsidiary of Giga-tronics ("Merger
Sub"), and Ultracision, Inc., a California corporation ("Ultracision") and
Gordon Hampton, a shareholder of Ultracision (the "Shareholder").


                                    RECITALS

        A. The Boards of Directors of Giga-tronics, Merger Sub and Ultracision
have each determined to engage in the transactions contemplated hereby, pursuant
to which (i) Merger Sub will merge (the "Merger") with and into Ultracision,
(ii) each share of common stock, no par value, of Ultracision ("Ultracision
Common Stock") shall be converted into the right to receive a fraction of a
share of common stock, no par value, of Giga-tronics ("Giga-tronics Common
Stock"), in the manner and amount herein described, and (iii) the capital stock
of Merger Sub shall be converted into shares of Ultracision Common Stock, all
upon the terms and subject to the conditions set forth herein.

        B. The Board of Directors of Ultracision has approved, and has resolved
to recommend that the shareholders of Ultracision approve, the Merger and this
Agreement and the shareholders of Ultracision have approved the Merger and this
Agreement.

        C. The respective Boards of Directors of Giga-tronics and Merger Sub
have approved the Merger and this Agreement. Giga-tronics, as the sole
shareholder of Merger Sub, has approved the Merger and this Agreement.

        D. The parties intend for the transactions contemplated by this
Agreement to qualify as a tax-free reorganization in accordance with the
provisions of Section 368(a) of the Internal Revenue Code of 1986, as amended
(the "Code"), and to be accounted for as a pooling of interests transaction.

        NOW, THEREFORE, in consideration of the foregoing and the mutual
representations, warranties, covenants and agreements set forth herein, the
parties agree as follows:




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                                    ARTICLE I
                                   THE MERGER

SECTION 1.01.  THE MERGER.

        (a) Subject to the terms and conditions hereof, and in accordance with
the General Corporation Law of California, Merger Sub will be merged with and
into Ultracision (the "Merger"), as soon as practicable following the
satisfaction or waiver of the conditions set forth in Article VIII hereof.
Following the Merger, Ultracision shall continue as the surviving corporation
(the "Surviving Corporation"), and the separate corporate existence of Merger
Sub shall cease.

        (b) Concurrent with the Closing (as defined in subsection (d) below),
Giga-tronics, Ultracision and Merger Sub shall file an agreement of merger in
the form attached hereto as Exhibit 1.01 (the "Agreement of Merger") in the
Office of the Secretary of State of the State of California in accordance with
the General Corporation Law of California. The Merger shall become effective at
such time as the Agreement of Merger is duly filed in the Office of the
Secretary of State of the State of California (the date of such filing being
hereinafter referred to as the "Effective Date" and the time of such filing
being hereinafter referred to as the "Effective Time").

        (c) From and after the Effective Time, the Surviving Corporation shall
possess all the property, rights, privileges, powers and franchises and be
subject to all of the restrictions, liabilities and duties of Ultracision and
Merger Sub, all as provided under the laws of the State of California.

        (d) The closing of the transactions contemplated by this Agreement (the
"Closing") shall take place on December 2, 1997 at the offices of Gibson, Dunn &
Crutcher LLP, One Montgomery Street, San Francisco, California 94104, or at such
other date and place as Giga-tronics and Ultracision may agree. The date of the
Closing determined pursuant to this Section 1.01(d) is referred to as the
"Closing Date."

SECTION 1.02.  CONVERSION OF SHARES.

        (a)    At the Effective Time:

               (i) Subject to Section 1.05 hereof, at the Effective Time each
issued and outstanding share of Ultracision Common Stock issued and outstanding
immediately prior to the Effective Time (the "Ultracision Shares") shall
automatically, by virtue of the Merger and without any action on the part of the
holder thereof, be converted into a right to receive the number of shares of
Giga-tronics Common Stock as is determined pursuant to this Section 1.02. A
maximum total of 517,000 shares of Giga-tronics Common Stock (the "Merger
Consideration") will be issued in the Merger, including fractional shares that
would have been issuable but for Section 1.05 below.

               (ii) The Agreement of Merger to be filed shall contain the final
exchange ratio (the "Exchange Ratio") for Ultracision Shares into Giga-tronics
Common Stock and shall be equal to (a) 517,000 divided by (b) the number of
Ultracision Shares outstanding at the Effective Time 



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(the "Ultracision Outstanding Equivalent Number"). All Ultracision Shares shall
be exchangeable into Giga-tronics Common Stock at the same Exchange Ratio.

        (b) If between the date of this Agreement and the Effective Time, the
number of outstanding Ultracision Shares or shares of Giga-tronics Common Stock
shall have been changed into a different number of shares or a different class,
by reason of any stock dividend, subdivision, reclassification,
recapitalization, split-up, combination, exchange of shares or the like, the
Exchange Ratio shall be correspondingly adjusted.

SECTION 1.03.  EXCHANGE OF CERTIFICATES.

        (a) On the Closing Date, each holder of Ultracision Shares shall
surrender all of such holder's certificates which immediately prior to the
Effective Time represented issued and outstanding Ultracision Shares
(individually a "Certificate" and collectively the "Certificates") duly endorsed
for transfer. Upon such surrender Giga-tronics shall promptly deliver such
Merger Consideration that such holder is entitled to receive pursuant to Section
1.02(a) hereof to such surrendering holder. No dividends or other distribution
declared after the Effective Time with respect to Giga-tronics Common Stock
shall be paid to the holders of any unsurrendered Certificate until the holder
thereof surrenders such Certificate.

        (b) After the Effective Time there shall be no transfers on the stock
transfer books of either Ultracision (the stock transfer books of which shall be
closed) or the Surviving Corporation of Ultracision Shares which were
outstanding immediately prior to the Effective Time.

        Section 1.04. Intentionally Deleted.

        Section 1.05. Fractional Shares. Notwithstanding any other provision of
this Agreement to the contrary, no fractional shares of Giga-tronics Common
Stock shall be issued in connection with the Merger. All shares of Giga-tronics
Common Stock to which a holder of Ultracision Shares is entitled immediately
prior to the Effective Time shall be aggregated. If a fractional share results
from such aggregation, in lieu of any such fractional share, each holder of
Ultracision Shares who would otherwise have been entitled to receive a fraction
of a share of Giga-tronics Common Stock upon surrender of Certificates for
exchange pursuant to Section 1.03 shall be entitled to receive from Giga-tronics
a cash payment equal to such fraction multiplied by the closing sale price per
share of Giga-tronics Common Stock on the last business day on which
Giga-tronics Common Stock is traded on NASDAQ prior to the Effective Time.

        Section 1.06. Ultracision Options. Giga-tronics will assume the
outstanding Ultracision options for shares of Ultracision Common Stock
("Ultracision Options") set forth in the Disclosure Schedule, as adjusted to
reflect the Exchange Ratio. Each outstanding option to purchase shares of
Ultracision Common Stock (each, an "Option") issued pursuant to any of
Ultracision's stock option plans, whether vested or unvested, shall convert into
an option (a "Replacement Option") to acquire, on the same terms and conditions,
including the vesting schedule, as were applicable under such replaced Option
prior to the Effective Time, the number of shares of Giga-tronics Common Stock
(rounded down to the nearest whole number) equal to the product of the Exchange
Ratio and the number of shares subject to such Option, at a price per



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share equal to the aggregate exercise price for the shares subject to such 
Option divided by the number of full shares of Giga-tronics Common Stock deemed
to be purchasable pursuant to such Replacement Option; provided, however, that
in no event shall the terms of any Replacement Option give the optionee
additional benefits that such optionee did not have under an original Option
that is described under Section 421(a) of the Code. Following the Effective
Time, upon surrender of the outstanding Options, Giga-tronics shall deliver to
holders of Options appropriate option agreements representing the Replacement
Options.

        Section 1.07. Registration of Giga-tronics Common Stock.

        (a) The parties acknowledge and agree that the Giga-tronics Common Stock
to be issued pursuant to the Merger will be issued pursuant to a transaction not
involving a public offering and therefore will be characterized as "restricted
securities" under federal securities laws. The parties further acknowledge and
agree that pursuant to the Securities Act of 1933, as amended (the "Securities
Act"), the Giga-tronics Common Stock so issued may be resold without
registration under the Securities Act only in certain limited circumstances. It
is understood that the Certificates issued pursuant to the Merger will bear the
following legend:

               "These securities have not been registered under the Securities
               Act of 1933, as amended. They may not be sold, offered for sale,
               pledged or hypothecated in the absence of a registration
               statement in effect with respect to the securities under such Act
               or an opinion of counsel satisfactory to Giga-tronics
               Incorporated that such registration is not required or unless
               sold pursuant to Rule 145 of such Act."

        (b) Simultaneous with the execution hereof, Giga-tronics and the
shareholders of Ultracision shall enter into an agreement with respect to the
registration of the shares of Giga-tronics Common Stock received in the Merger
in substantially the form attached hereto as Exhibit 1.07 (the "Registration
Rights Agreement").

                                   ARTICLE II
                            THE SURVIVING CORPORATION

        Section 2.01. Articles of Incorporation. The Articles of Incorporation
of the Surviving Corporation shall be amended at the Effective Time to conform
to the Certificate of Incorporation of Merger Sub, as in effect immediately
prior to the Effective Time.

        Section 2.02. Bylaws. The Bylaws attached as Exhibit 2.02 hereto shall
be the Bylaws of the Surviving Corporation, until thereafter amended in
accordance with applicable law.

        Section 2.03. Directors and Officers. From and after the Effective Time,
until successors are duly elected or appointed and qualified in accordance with
applicable law, the directors of Merger Sub at the Effective Time shall become
the initial directors of the Surviving Corporation, and the officers of
Ultracision at the Effective Time shall become the initial officers of the
Surviving Corporation.




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                                   ARTICLE III
        REPRESENTATIONS AND WARRANTIES OF ULTRACISION AND THE SHAREHOLDER

        Except as disclosed in a document referring specifically to this
Agreement (the "Ultracision Disclosure Schedule") which is delivered by
Ultracision to Giga-tronics no less than five (5) days prior to the execution of
this Agreement (which shall contain appropriate and reasonably detailed
references to each representation and warranty to which any item there disclosed
pertains), Ultracision and the Shareholder, to such Shareholder's knowledge,
represent and warrant to Giga-tronics and the Merger Sub as set forth below:

        Section 3.01. Corporate Existence and Power. Ultracision is a
corporation duly incorporated, validly existing and in good standing under the
laws of the State of California, and has all corporate powers and all material
governmental licenses, authorizations, consents and approvals (collectively,
"Governmental Authorizations") required to carry on its business as now
conducted. Each of Ultracision and its Subsidiaries (as defined in Section 3.06)
is duly qualified to do business as a foreign corporation and is in good
standing in each jurisdiction where the character of the property owned or
leased by it or the nature of its activities makes such qualification necessary.
Ultracision has delivered to Giga-tronics true, correct and complete copies of
Ultracision's Articles of Incorporation and Bylaws as currently in effect.

        Section 3.02. Corporate Authorization.

        (a) The execution, delivery and performance by Ultracision of this
Agreement, the Ultracision and Giga-tronics Affiliates Agreements (as defined in
Sections 5.09 and 6.08, respectively, hereof) and the consummation by
Ultracision of the transactions contemplated hereby and thereby are within
Ultracision's corporate powers and have been duly authorized by all necessary
corporate action. The Ultracision and Giga-tronics Affiliates Agreement are
collectively referred to herein as the "Ultracision Ancillary Agreements." This
Agreement and the Ultracision Ancillary Agreements constitute, or upon execution
will constitute, valid and binding agreements of Ultracision, enforceable
against Ultracision in accordance with their respective terms, subject to laws
of general applicability relating to bankruptcy, insolvency, reorganization,
moratorium, and the relief of debtors and rules governing specific performance,
injunctive relief or other equitable remedies.

        (b) The execution, delivery and performance by the Shareholder of this
Agreement, the Registration Rights Agreement, and the Ultracision Ancillary
Agreements and the consummation by the Shareholder of the transactions
contemplated hereby and thereby are within the Shareholder's powers. This
Agreement, the Registration Rights Agreement and the Ultracision Ancillary
Agreements constitute, or upon execution will constitute, valid and binding
agreements of the Shareholder, enforceable against the Shareholder in accordance
with their respective terms, subject to laws of general applicability relating
to bankruptcy, insolvency, reorganization, moratorium, the relief of debtors and
rules governing specific performance, injunctive relief or other equitable
remedies and the extent to which indemnification provisions in the Registration
Rights Agreement are limited by public policy.




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        Section 3.03. Governmental Authorization.

        (a) The execution, delivery and performance by Ultracision of this
Agreement, the Ultracision Ancillary Agreements and the Agreement of Merger and
the consummation of the Merger by Ultracision require no action by or in respect
of, or filing with, any governmental body, agency, official or authority other
than:

               (i)  the filing of the Agreement of Merger in accordance with 
California Law;

               (ii) compliance with any applicable requirements of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules
and regulations promulgated thereunder;

               (iii) compliance with any applicable foreign or state securities
or "blue sky" laws; and

               (iv) such other filings or registrations with, or authorizations,
consents or approvals of, governmental bodies, agencies, officials or
authorities, the failure of which to make or obtain would not materially
adversely affect the ability of Ultracision, Giga-tronics or Merger Sub to
consummate the transactions contemplated hereby and operate their businesses as
heretofore operated.

        (b) The execution, delivery and performance by the Shareholder of this
Agreement, the Registration Rights Agreement, the Ultracision Ancillary
Agreements and the Agreement of Merger and the consummation of the Merger by the
Shareholder require no action by or in respect of, or filing with, any
governmental body, agency, official or authority.

        Section 3.04. Non-Contravention.

        (a) The execution, delivery and performance by Ultracision of this
Agreement, the Ultracision Ancillary Agreements and the Agreement of Merger and
the consummation by Ultracision of the transactions contemplated hereby and
thereby do not and will not:

               (i)  contravene or conflict with the Articles of Incorporation
or Bylaws of Ultracision;

               (ii) assuming compliance with the matters referred to in Section
3.03, contravene or conflict with or constitute a material violation of any
provision of any law, regulation, judgment, injunction, order or decree binding
upon or applicable to Ultracision;

               (iii) conflict with or result in a breach or violation of, or
constitute a default under, or result in the termination or cancellation of, or
right to accelerate, any material agreement, contract or other instrument
binding upon Ultracision or any license, franchise, permit or other similar
authorization held by Ultracision; or

               (iv) result in the creation or imposition of any Lien (as defined
below) on any asset of Ultracision.




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        (b) The execution, delivery and performance by the Shareholder of this
Agreement, the Registration Rights Agreement, the Ultracision Ancillary
Agreements and the Certificate of Merger and the consummation by the Shareholder
of the transactions contemplated hereby and thereby do not and will not:

               (i) to the Shareholder's knowledge, and assuming compliance with
the matters referred to in Section 3.03, contravene or conflict with or
constitute a material violation of any provision of any law, regulation,
judgment, injunction, order or decree binding upon or applicable to the
Shareholder; or

               (ii) conflict with or result in a breach or violation of, or
constitute a default under, or result in the termination or cancellation of, or
right to accelerate, any material agreement, contract or other instrument
binding upon the Shareholder or any license, franchise, permit or other similar
authorization held by the Shareholder.

        For purposes of this Agreement, the term "Lien" means, with respect to
any asset, any mortgage, lien, pledge, charge, security interest or encumbrance
of any kind in respect of such asset.

        Section 3.05. Capitalization. The authorized capital stock of
Ultracision consists of 10,000,000 shares of Ultracision Common Stock. As of the
date hereof, there are 687,832 shares of Ultracision Common Stock outstanding.
All outstanding shares of Ultracision Common Stock have been duly authorized and
validly issued and are fully paid and nonassessable and free from any preemptive
rights. Except as set forth in this Section 3.05 and as otherwise contemplated
by this Agreement, there are outstanding (i) no shares of capital stock or other
voting securities of Ultracision, (ii) no securities of Ultracision convertible
into or exchangeable for shares of capital stock or voting securities of
Ultracision and (iii) other than as set forth in the Disclosure Schedule in
accordance with Section 1.06, no options or other rights to acquire from
Ultracision, and no obligation of Ultracision to issue, any capital stock,
voting securities or securities convertible into or exchangeable for capital
stock or other voting securities of Ultracision (the items in clauses (i), (ii)
and (iii) being referred to collectively as the "Ultracision Securities"). There
are no outstanding obligations of Ultracision to repurchase, redeem or otherwise
acquire any Ultracision Securities.

        Section 3.06. Subsidiaries and Investments. Except as set forth in the
Ultracision Disclosure Schedule, Ultracision has no Subsidiaries and does not
own, directly or indirectly, any outstanding capital stock or equity interest in
any corporation, partnership, joint venture or other entity. For purposes of
this Agreement, "Subsidiary" means any entity in which Ultracision owns,
directly or indirectly, fifty percent (50%) or more of such entity's outstanding
voting securities or equity interests or is a general partner, limited partner
or member.

        Section 3.07. Financial Statements. Ultracision has delivered to
Giga-tronics copies (initialed by an authorized officer of Ultracision
identified with a reference to this Section of this Agreement) of financial
statements (hereinafter collectively called the "Financial Statements") as
follows: consolidated balance sheets of Ultracision as at September 30, 1997,
and March 31, 1997 and March 31, 1996 and the related statements of earnings for
the periods then ended. The 



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balance sheet of Ultracision as at September 30, 1997 (the "Ultracision Balance
Sheet Date") is referred to herein as the "Ultracision Balance Sheet."

        The financial statements for the periods ending March 31, 1997 and March
31, 1996 are complete and correct, have been prepared in accordance with
generally accepted accounting principles consistently applied and maintained
throughout the periods indicated and fairly present the financial condition of
Ultracision as at their respective dates and the results of its operations for
the periods covered thereby. The financial statements for the period ended
September 30, 1997 have been prepared in good faith by Ultracision consistent
with past practice and to its knowledge, fairly present in all material respects
the financial condition of Ultracision as at such date and the results of
operations for the period covered thereby. Such statements of earnings do not
contain any items of special or nonrecurring income or any other income not
earned in the ordinary course of business except as expressly specified therein,
and such interim financial statements include all adjustments, which consist
only of normal recurring accruals, necessary for such fair presentation.

        Section 3.08. Absence of Changes or Events. Since the Ultracision
Balance Sheet Date Ultracision has conducted its business only in the ordinary
course consistent with its prior practices and, except as specified in the
Ultracision Disclosure Schedule, has not:

               (a) incurred any obligation or liability, absolute, accrued,
contingent or otherwise, whether due or to become due, except current
liabilities for trade or business obligations incurred in connection with the
purchase of goods or services in the ordinary course of business and consistent
with its prior practice, none of which liabilities, in any case or in the
aggregate, materially and adversely affects the business, liabilities or
financial condition of Ultracision;

               (b) discharged or satisfied any lien, charge or encumbrance other
than those then required to be discharged or satisfied, or paid any obligation
or liability, absolute, accrued, contingent or otherwise, whether due or to
become due, other than current liabilities shown on the Balance Sheet and
current liabilities incurred since the Balance Sheet Date in the ordinary course
of business and consistent with its prior practice;

               (c) declared or made any payment of dividends or other
distribution to its shareholders or upon or in respect of any shares of its
capital stock, or purchased, retired or redeemed, or obligated itself to
purchase, retire or redeem, any of its shares of capital stock or other
securities;

               (d) mortgaged, pledged or subjected to lien, charge, security
interest or any other encumbrance or restriction any of its property, business
or assets, tangible or intangible;

               (e) sold, transferred, leased to others or otherwise disposed of
any of its assets, except for inventory sold in the ordinary course of business,
or canceled or compromised any debt or claim, or waived or released any right of
substantial value;


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               (f) received any notice of termination of any contract, lease or
other agreement or suffered any damage, destruction or loss (whether or not
covered by insurance) which in any case or in the aggregate, has had a
materially adverse effect on the assets, operations or prospects of Ultracision;

               (g) encountered any labor union organizing activity, had any
actual or employee strikes, work stoppages, slow-downs or lock-outs, or had any
material change in its relations with its employees, agents, customers or
suppliers or with any governmental authorities or self-regulatory organizations;

               (h) transferred or granted any rights under, or entered into any
settlement regarding the breach or infringement of, any United States or foreign
license, patent, copyright, trademark, trade name, invention or similar rights,
or modified any existing rights with respect thereto;

               (i) made any change in the rate of compensation, commission,
bonus or other direct or indirect remuneration payable, or paid or agreed or
orally promised to pay, conditionally or otherwise, any bonus, extra
compensation, pension or severance or vacation pay, to any shareholder,
director, officer, employee, salesman, distributor or agent of Ultracision;

               (j) issued or sold any shares of its capital stock or other
securities, or issued, granted or sold any options, rights or warrants with
respect thereto, or acquired any capital stock or other securities of any
corporation or any interest in any business enterprise, or otherwise made any
loan or advance to or investment in any person, firm or corporation;

               (k) made any capital expenditures or capital additions or
betterments in excess of an aggregate of $25,000;

               (l) changed its banking or safe deposit arrangements;

               (m) instituted, settled or agreed to settle any litigation,
action or proceeding before any court or governmental body relating to
Ultracision or its property;

               (n) failed to replenish its inventories and supplies in a normal
and customary manner consistent with its prior practice and prudent business
practices prevailing in the industry, or made any purchase commitment in excess
of the normal, ordinary and usual requirements of its business or at any price
in excess of the then current market price or upon terms and conditions more
onerous than those usual and customary in the industry, or made any change in
its selling, pricing, advertising or personnel practices inconsistent with its
prior practice and prudent business practices prevailing in the industry;

               (o) suffered any change, event or condition which, in any case or
in the aggregate, has had or may have a materially adverse effect on
Ultracision's condition (financial or otherwise), properties, assets,
liabilities, operations or prospects, including, without limitation, any change
in Ultracision's revenues, costs, backlog or relations with its employees,
agents, customers, or suppliers;


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               (p) entered into any transaction, contract or commitment other
than in the ordinary course of business or paid or agreed to pay any legal,
accounting, brokerage, finder's fee, taxes or other expenses in connection with,
or incurred any severance pay obligations by reason of this Agreement or the
transactions contemplated hereby; or

               (q) entered into any agreement or made any commitment to take any
of the types of action described in subparagraphs (a) through (p) above.

        Section 3.09. No Undisclosed Liabilities. There are no liabilities of
Ultracision or any of its Subsidiaries, including contingent liabilities, of the
type required to be reflected in financial statements (including the notes
thereto) under generally accepted accounting principles that are material to
Ultracision, other than:

               (a) liabilities  disclosed or provided for in the Ultracision 
Balance Sheet (including the notes thereto);

               (b) liabilities incurred in the ordinary course of business
consistent with past practice since the Ultracision Balance Sheet Date;

               (c) liabilities incurred other than in the ordinary course of
business; and

               (d) liabilities under this Agreement.

        Section 3.10. Litigation. There is no action, suit, proceeding, claim or
investigation pending or overtly threatened against Ultracision or any of its
assets or against or involving any of its officers, directors or employees in
connection with the business or affairs of Ultracision, including, without
limitation, any claims for indemnification arising under any agreement to which
Ultracision is a party, which could, individually or in the aggregate, have a
Material Adverse Effect on Ultracision or which in any manner challenges or
seeks to prevent, enjoin, alter or materially delay any of the transactions
contemplated hereby. Ultracision is not subject to or in default with respect to
any writ, order, judgment, injunction or decree, which would have a Material
Adverse Effect on Ultracision.

SECTION 3.11.  TAXES.

        (a) For purposes of this Agreement, "Tax" or "Taxes" means any and all
taxes, fees, levies, duties, tariffs, imposts, and other charges of any kind
(together with any and all interest, penalties, additions to tax and additional
amounts imposed with respect thereto) imposed by any governmental or taxing
authority including, without limitation: taxes or other charges on or with
respect to income, franchises, windfall or other profits, gross receipts,
property, sales, use, capital stock, payroll, employment, social security,
workers' compensation, unemployment compensation, or net worth; taxes or other
charges in the nature of excise, withholding, ad valorem, stamp, transfer, value
added, or gains taxes; license, registration and documentation fees; and customs
duties, tariffs, and similar charges.

        (b) Except as described in Section 3.11 of the Ultracision Disclosure
Schedule, (i) Ultracision has filed all federal, state, local and foreign tax
returns and reports required to be 



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filed by it and has paid and discharged all Taxes shown as due thereon and has
paid all of such other Taxes as are due, other than (a) such filings, payments
or other occurrences that would not have a Material Adverse Effect; (ii) neither
the IRS nor any other taxing authority or agency, domestic or foreign, is now
asserting or, to the best knowledge of Ultracision after due inquiry,
threatening to assert against Ultracision any deficiency or claim for additional
Taxes or interest thereon or penalties in connection therewith; (iii)
Ultracision has not granted any waiver of any statute of limitations with
respect to, or any extension of a period for the assessment of, any federal,
state, county, municipal or foreign income Tax; (iv) the accruals and reserves
for Taxes reflected in the Ultracision Balance Sheet and the most recent
quarterly financial statements are adequate to cover all Taxes accruable through
the date thereof (including interest and penalties, if any, thereon); (v)
Ultracision has not made an election under Section 341(f) of the Code; (vi)
Ultracision has withheld or collected and paid over to the appropriate
governmental authorities or is properly holding for such payment all Taxes
required by law to be withheld or collected, except for such failures to have so
withheld or collected and paid over or to be so holding for payment which would
not have a Material Adverse Effect and (vii) there are no material liens for
Taxes upon the assets of Ultracision, other than liens for Taxes that are being
contested in good faith by appropriate proceedings or personal property tax
liens.

        (c) Ultracision is not party to or bound by, nor has any obligation
under any Tax sharing, Tax indemnity or Tax allocation or similar agreement.

        Section 3.12. Insurance.  Ultracision maintains the policies of fire, 
liability, use and occupancy and other forms of insurance covering its
properties and businesses set forth in the Ultracision Disclosure Schedule. Such
policies are in full force and effect.

        Section 3.13. Employee Benefit Plans; ERISA. Section 3.13 of the
Ultracision Disclosure Schedule lists (i) all the employee benefit plans,
programs and arrangements maintained for the benefit of any current or former
employee, officer or director of Ultracision (the "Plans") and (ii) all
contracts and agreements relating to employment that provide for annual
compensation in excess of $25,000 and all severance agreements, with any of the
directors, officers or employees of Ultracision (other than, in each case, any
such contract or agreement that is terminable by Ultracision at will without
penalty or other adverse consequence) (the "Employment Contracts"). Giga-tronics
has been furnished with a copy of each Plan, any summary plan descriptions,
annual reports, actuarial reports, registration statements or other securities
law filings and determination letters produced or filed with respect thereto,
and each Employment Contract. Except as set forth in Section 3.13 of the
Ultracision Disclosure Schedule: (i) none of the Plans is a multiemployer plan
within the meaning of the Employee Retirement Income Security Act of 1974, as
amended ("ERISA"); (ii) none of the Plans promises or provides retiree medical
or life insurance benefits to any person; (iii) each Plan intended to be
qualified under Section 401(a) of the Code has received a favorable
determination letter from the Internal Revenue Service (the "IRS") that it is so
qualified and, to Ultracision's knowledge, nothing has occurred since the date
of such letter to affect the qualified status of such Plan; (iv) none of the
Plans promises or provides severance benefits or benefits contingent upon a
change in ownership or control, within the meaning of Section 280G of the Code;
(v) each Plan has been operated in all material respects in accordance with its
terms and the requirements of applicable law; (vi) no Plan is or has been
covered by Title IV of ERISA or Section 412 of the Code; (vii) Ultracision 



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has not incurred any direct or indirect liability under, arising out of or by
operation of Title IV of ERISA in connection with the termination of, or
withdrawal from, any Plan or other retirement plan or arrangement, and no fact
or event exists that could give rise to any such liability; and (viii)
Ultracision has not incurred any liability under, and has complied in all
respects with, the Worker Adjustment Retraining Notification Act, and no fact or
event exists that could give rise to liability under such act.

SECTION 3.14.  MATERIAL AGREEMENTS.

        (a) The Ultracision Disclosure Schedule includes a complete and accurate
list of all contracts, agreements, leases and instruments to which Ultracision
is a party or by which it or its properties or assets are bound which
individually involve payments or receipts in excess of $25,000, inclusive of
material contracts entered into with customers and suppliers in the ordinary
course of business, or that pertain to employment or severance benefits for any
officer, director or employee of Ultracision, whether written or oral (each a
"Material Ultracision Agreement").

        (b) Neither Ultracision nor, to the knowledge of Ultracision, any other
party is in default under any Material Ultracision Agreement and no event has
occurred which (after notice or lapse of time or both) would become a breach or
default under, or would permit modification, cancellation, acceleration or
termination of any Material Ultracision Agreement or result in the creation of
any security interest upon, or any person obtaining any right to acquire, any
properties, assets or rights of Ultracision.

        (c) To Ultracision knowledge, each Material Ultracision Agreement is in
full force and effect and is valid and legally binding; there are no unresolved
disputes involving or with respect to any Material Ultracision Agreement; and no
party to a Material Ultracision Agreement has advised Ultracision that it
intends either to terminate a Material Ultracision Agreement or to refuse to
renew a Material Ultracision Agreement upon the expiration of the term thereof.

        (d) Ultracision is not in violation of, or in default with respect to,
any term of its Articles of Incorporation or Bylaws.

SECTION 3.15.  REAL PROPERTY; LEASES.

        (a) The Ultracision Disclosure Schedule includes a correct and complete
list of all items of real property, including leased property, and any material
buildings, structures and improvements located thereon or therein, which are
owned or leased by Ultracision.

        (b) To the best of Ultracision's knowledge, with respect to any real
property of Ultracision, including any leased property, and any material
buildings, structures and improvements located thereon or therein, such
buildings, fixtures and improvements, and the present use thereof, are not the
subject of any official complaint or notice of violation of any applicable
zoning ordinance, building code or environmental laws, and such premises are not
affected or threatened by any condemnation or eminent domain proceeding.

        (c) All leases of real property and all material leases of personal
property by Ultracision are in full force and effect and there exists no default
on the part of Ultracision which 



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would interfere with the use made and proposed to be made of such real and
personal property, and, except for leases of personal property terminated in the
ordinary course of business, upon consummation of the Merger, will continue to
entitle Ultracision to the use and possession of the real or personal property
purported to be covered thereby for the terms specified in such leases and for
the purposes for which such real or personal property is now used.

        Section 3.16. Title to Assets. Ultracision has good and marketable title
to all the properties and assets it owns or uses in its business or purports to
own, including, without limitation, those reflected in its books and records and
in the Balance Sheet (except inventory sold after the Balance Sheet Date in the
ordinary course of business). None of such properties and assets are subject to
any mortgage, pledge, lien, charge, security interest, encumbrance, restriction,
lease, license, easement, liability or adverse claim of any nature whatsoever,
except (i) mortgages or security interests shown on the Balance Sheet as
securing specific liabilities or obligations or (ii) those imperfections of
title and encumbrances, if any, which, individually or in the aggregate, (A) are
not substantial in character, amount or extent and do not materially detract
from the value of the properties subject thereto, (B) do not interfere with
either the present and continued use of such property or the conduct of
Ultracision's normal operations and (C) have arisen only in the ordinary course
of business. All of the properties and assets owned, leased or used by
Ultracision are in good operating condition and repair, normal wear and tear
excepted, are suitable for the purposes used, are adequate and sufficient for
all current operations of Ultracision and are directly related to the business
of Ultracision.

SECTION 3.17.  ENVIRONMENTAL MATTERS.

        (a) For purposes of this Agreement, the following terms shall have the
following meanings: (i) "Hazardous Substances" means (A) those substances
defined in or regulated under the following United States federal statutes and
their state or foreign counterparts, as each may be amended from time to time,
and all regulations thereunder: the Hazardous Materials Transportation Act, the
Resource Conservation and Recovery Act, the Comprehensive Environmental
Response, Compensation and Liability Act, the Clean Water Act, the Safe Drinking
Water Act, the Atomic Energy Act, the Federal Insecticide, Fungicide, and
Rodenticide Act and the Clean Air Act; (B) petroleum and petroleum products
including crude oil and any fractions thereof; (C) natural gas, synthetic gas,
and any mixtures thereof; (D) radon; (E) asbestos; (F) any other pollutant or
contaminant; and (G) any substance with respect to which a federal, state or
local agency requires environmental investigation, monitoring, reporting or
remediation; and (ii) "Environmental Laws" means any United States or foreign,
federal, state or local law relating to (A) releases or threatened releases of
Hazardous Substances or materials containing Hazardous Substances; (B) the
manufacture, handling, transport, use, treatment, storage or disposal of
Hazardous Substances or materials containing Hazardous Substances; or (C)
otherwise relating to pollution of the environment or the protection of human
health.

        (b) Except as would not have a Material Adverse Effect: (i) Ultracision
has not violated and is not in violation of any Environmental Law; (ii) there
has been no contamination, disposal, spilling, dumping, incineration, discharge,
storage., treatment or handling of any Hazardous Substance, on or from any of
the properties owned or leased by Ultracision (including, without limitation,
soils and surface and ground waters); (iii) Ultracision is not liable for any
off-




                                       13
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site contamination; (iv) Ultracision is not liable under any Environmental
Law; (v) Ultracision has all permits, licenses and other authorizations required
under any Environmental Law ("Environmental Permits"); (vi) Ultracision has been
and is in compliance with its Environmental Permits; and (vii) there are no
pending, or, to the best knowledge of Ultracision after due inquiry, threatened
claims against Ultracision relating to any Environmental Law or Hazardous
Substance.

        Section 3.18. Intellectual Property. No claim is pending or, to the best
knowledge of Ultracision, threatened to the effect that the present or past
operations of Ultracision infringes upon or conflicts with the rights of others
with respect to any intellectual property (including, without limitation,
licenses, patents, patent rights, patent applications, trademarks, trademark
applications, trade names, copyrights, drawings, trade secrets, know-how and
computer software) necessary to permit Ultracision to conduct its business as
now operated (the "Ultracision Intellectual Property"), except as disclosed in
the Ultracision Disclosure Schedule, no claim is pending or, to the best
knowledge of Ultracision, threatened to the effect that, any of the Ultracision
Intellectual Property is invalid or unenforceable. Ultracision has provided
Giga-tronics with a list of all licenses, patents, patent rights, patent
applications, trademarks, trademark applications, trade names, copyrights and
service marks of Ultracision and each of its Subsidiaries. Except as set forth
in the Ultracision Disclosure Schedule, no contract, agreement or understanding
between Ultracision or any of its Subsidiaries and any other party exists which
would impede or prevent the continued use by Ultracision and its Subsidiaries of
the entire right, title and interest of Ultracision and its Subsidiaries in and
to the Ultracision Intellectual Property.

        Section 3.19. No Guaranties. None of the obligations or liabilities of
Ultracision is guaranteed by, or subject to a similar contingent liability of,
any other person, firm or corporation, nor has Ultracision guaranteed, or
otherwise become contingently liable for, the obligations or liabilities of any
other person, firm or corporation.

        Section 3.20. Absence of Certain Business Practices. Neither Ultracision
nor any officer, employee or agent of Ultracision, nor any other person acting
on its behalf, has, directly or indirectly, within the past five (5) years given
or agreed to give any gift or similar benefit to any customer, supplier,
governmental employee or other person who is or may be in a position to help or
hinder the business of Ultracision (or assist Ultracision in connection with any
actual or proposed transaction) which (a) might subject Ultracision to any
damage or penalty in any civil, criminal or governmental litigation or
proceeding, (b) if not given in the past, might have had an adverse effect on
the assets, business or operations of Ultracision as reflected in the Financial
Statements or (c) if not continued in the future, might adversely affect
Ultracision's assets, business, operations or prospects or which might subject
Ultracision to suit or penalty in any private or governmental litigation or
proceeding.

        Section 3.21. Compliance with Laws and Other Instruments. Ultracision
has complied with all existing laws, rules, regulations, ordinances, orders,
judgments and decrees now applicable to its business, properties or operations
as presently conducted. Neither the ownership nor use of Ultracision's
properties nor the conduct of its business conflicts with the rights of any
other person, firm or corporation or violates, or with or without the giving of
notice or the passage of time, or both, will violate, conflict with or result in
a default, right to accelerate or loss of rights under, any terms or provisions
of its certificate of incorporation or by-laws as presently 



                                       14
   16

in effect, or any lien, encumbrance, mortgage, deed of trust, lease, license,
agreement, understanding, law, ordinance, rule or regulation, or any order,
judgment or decree to which Ultracision is a party or by which it may be bound
or affected.

        Section 3.22. Disclosure Documents. None of the information supplied by
Ultracision for inclusion in the information materials relating to the
solicitation of the approval of Ultracision's shareholders of the Merger (the
"Information Materials") at the time of mailing of the Information Materials to
shareholders of Ultracision, and at the time of the action by written consent of
shareholders approving the Merger, contain any untrue statement of a material
fact or omits or will omit to state any material fact required to be stated
therein or necessary in order to make the statements therein, in light of the
circumstances under which they are made, not misleading. The information with
respect to Ultracision, this Agreement, the Registration Rights Agreement, the
Ultracision Ancillary Agreements and the transactions contemplated hereby in the
Informational Materials was true and correct in all material respects as of the
date thereof and Ultracision has distributed the Information Materials to all of
the holders of capital stock of Ultracision and complied with its Articles of
Incorporation, Bylaws and legal requirements applicable to obtaining the written
consent of its shareholders.

        Section 3.23. Tax Matters. Neither Ultracision nor any of its affiliates
has taken or agreed to take any action it or they have been informed by
Giga-tronics that would prevent the Merger from being effected as a pooling of
interests or would prevent the Merger from constituting a transaction qualifying
under Section 368(a) of the Code. Neither Ultracision nor any of its affiliates
or agents is aware of any agreement, plan or other circumstances that would
prevent the Merger from qualifying under Section 368(a) of the Code and to their
best knowledge, the Merger will so qualify.

        Section 3.24. Accounting Matters. Section 3.24 of the Ultracision
Disclosure Schedule sets forth all persons who, as of the date of this
Agreement, may be deemed to be affiliates of Ultracision under Rule 145 of the
Securities Act or otherwise under applicable SEC accounting releases with
respect to pooling-of-interests accounting treatment. Prior to the date hereof,
Ultracision has advised such persons of the resale restrictions imposed by
applicable securities laws and required to cause the Merger to qualify for
pooling-of-interests accounting treatment.

        Section 3.25. Restrictions on Business Activities. There is no agreement
(non-compete or otherwise), commitment, judgment, injunction order or decree to
which Ultracision is a party or otherwise binding upon Ultracision which has or
could reasonably be expected to have the effect of prohibiting or impairing any
business practice of Ultracision, any acquisition of property by Ultracision or
the conduct of business by Ultracision. Without limiting the foregoing,
Ultracision has not entered into any agreement under which Ultracision is
restricted from selling, licensing or otherwise distributing any of its
products.

        Section 3.26. Interested Party Transactions. No officer, director or
shareholder of Ultracision (nor any ancestor, sibling, descendant or spouse of
any such person, or any trust, partnership or corporation in which any of such
persons has or has had an interest) has or has had, directly or indirectly, (i)
an economic interest in any entity which furnished or sold, or furnishes or
sells, services or products that Ultracision furnishes or sells or proposes to
furnish or sell, or (ii) 



                                       15
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an economic interest in any entity that purchases from, or sells or furnishes
to, Ultracision any goods or services; provided that ownership of no more than
one percent (1%) of the outstanding voting stock of a publicly traded
corporation shall not be deemed an "economic interest in any entity" for
purposes of this Section 3.26.

        Section 3.27. Ultracision Advisory Fees. Except as set forth in Section
3.27 of the Ultracision Disclosure Schedule, there is no investment banker,
broker, finder or other intermediary which has been retained by or is authorized
to act on behalf of Ultracision who is entitled to any fee or commission from
Giga-tronics or Ultracision or any of its affiliates upon consummation of the
transactions contemplated by this Agreement.

                                   ARTICLE IV
                 REPRESENTATIONS AND WARRANTIES OF GIGA-TRONICS

        Except as disclosed in a document referring specifically to this
Agreement (the "Giga-tronics Disclosure Schedule") which is delivered by
Giga-tronics to Ultracision concurrently with the execution of this Agreement or
as disclosed in public filings made by Giga-tronics with the SEC prior to the
date hereof, Giga-tronics represents and warrants to Ultracision as set forth
below:

        Section 4.01. Corporate Existence and Power. Giga-tronics and Merger Sub
are corporations duly incorporated, validly existing and in good standing under
the laws of the State of California and Delaware, respectively. Each of
Giga-tronics and Merger Sub has all corporate powers and all material
Governmental Authorizations required to carry on its business as now conducted.
Giga-tronics is duly qualified to do business as a foreign corporation and is in
good standing in each jurisdiction where the character of the property owned or
leased by it or the nature of its activities makes such qualification necessary.
Giga-tronics has delivered to Ultracision true and complete copies of
Giga-tronics' Articles of Incorporation and Bylaws and Merger Sub's Certificate
of Incorporation and Bylaws, each as currently in effect.

        Section 4.02. Corporate Authorization. The execution, delivery and
performance by Giga-tronics and Merger Sub of this Agreement, the Registration
Rights Agreement, the Ultracision and the Giga-tronics Affiliates Agreements and
the consummation by Giga-tronics and Merger Sub of the transactions contemplated
hereby and thereby are within the corporate powers of Giga-tronics and Merger
Sub and have been duly authorized by all necessary corporate action. The
Ultracision and Giga-tronics Affiliates Agreements are collectively referred to
herein as the "Giga-tronics Ancillary Agreements." This Agreement, the
Registration Rights Agreement and the Giga-tronics Ancillary Agreements
constitute, or upon execution will constitute, valid and binding agreements of
Giga-tronics and Merger Sub, enforceable in each case against each in accordance
with their respective terms, subject to laws of general applicability relating
to bankruptcy, insolvency, reorganization, moratorium, the relief of debtors and
rules governing specific performance, injunctive relief or other equitable
remedies, and the extent to which indemnification provisions contained in the
Registration Rights Agreement are limited by public policy.

        Section 4.03. Governmental Authorization. The execution, delivery and
performance by Giga-tronics and Merger Sub of this Agreement, the Registration
Rights Agreement and the Giga-



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tronics Ancillary Agreements and the consummation of the Merger by Giga-tronics
and Merger Sub, require no action by or in respect of, or filing with, any
governmental body, agency, official or authority other than:

               (a) the filing of an agreement of merger in accordance with 
California law;

               (b) compliance with any applicable requirements of the Exchange
Act, and the rules and regulations promulgated thereunder;

               (c) compliance with any applicable requirements of the Securities
Act and the rules and regulations promulgated thereunder;

               (d) compliance with any applicable foreign or state securities or
"blue sky" laws; and

               (e) such other filings or registrations with, or authorizations,
consents or approvals of, governmental bodies, agencies, officials or
authorities, the failure of which to make or obtain would not materially
adversely affect the ability of Ultracision, Giga-tronics or Merger Sub to
consummate the transactions contemplated hereby and operate their businesses as
heretofore operated.

        Section 4.04. Non-Contravention. The execution, delivery and performance
by Giga-tronics and Merger Sub of this Agreement, the Registration Rights
Agreement, and the Giga-tronics Ancillary Agreements and the consummation by
Giga-tronics and Merger Sub of the transactions contemplated hereby and thereby
do not and will not:

               (a) contravene or conflict with the Articles of Incorporation or
Bylaws of Giga-tronics or Certificate of Incorporation or Bylaws of Merger Sub;

               (b) assuming compliance with the matters referred to in Section
4.03, contravene or conflict with or constitute a violation of any provision of
any law, regulation, judgment, injunction, order or decree binding upon or
applicable to Giga-tronics, Merger Sub or any Subsidiary of Giga-tronics;

               (c) conflict with or result in a breach or violation of, or
constitute a default under, or result in the termination or cancellation of, or
right to accelerate, any agreement, contract or other instrument binding upon
Giga-tronics or Merger Sub or any such Subsidiary or any material license,
franchise, permit or other similar authorization held by Giga-tronics, Merger
Sub or any such Subsidiary; or

               (d) result in the creation or imposition of any Lien on any asset
of Giga-tronics, Merger Sub or any Subsidiary of Giga-tronics.



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SECTION 4.05.  CAPITALIZATION OF GIGA-TRONICS.

        (a) The authorized capital stock of Giga-tronics consists of 40,000,000
shares of Giga-tronics Common Stock and 1,000,000 shares of preferred stock. As
of the date hereof, there were outstanding:

               (i)  3,803,096 shares of Giga-tronics Common Stock; and

               (ii) employee and director stock options to purchase an aggregate
of 334,550 shares of Giga-tronics Common Stock.

Giga-tronics has authorized the issuance of employee rights to purchase 700,000
shares of Giga-tronics Common Stock under Giga-tronics' 1990 Restated Stock
Option Plan. In addition, Giga-tronics has authorized the issuance of up to
130,000 shares of Giga-tronics Common Stock under Giga-tronics' Employee Stock
Purchase Plan. All outstanding shares of Giga-tronics Common Stock have been
duly authorized and validly issued and are fully paid and nonassessable and free
from any preemptive rights. Except as set forth in this Section and as otherwise
contemplated by this Agreement, there are outstanding (i) no shares of capital
stock or other voting securities of Giga-tronics, (ii) no securities of
Giga-tronics convertible into or exchangeable for shares of capital stock or
voting securities of Giga-tronics and (iii) no options or other rights to
acquire from Giga-tronics, and no obligation of Giga-tronics to issue, any
capital stock, voting securities or securities convertible into or exchangeable
for capital stock or other voting securities of Giga-tronics (the items in
clauses (i), (ii) and (iii) being referred to collectively as the "Giga-tronics
Securities"). There are no outstanding obligations of Giga-tronics or any of its
Subsidiaries to repurchase, redeem or otherwise acquire any Giga-tronics
Securities. No holder of Giga-tronics Securities has, as of the date hereof, any
contractual right to include any such securities in any registration statement
proposed to be filed by Giga-tronics under the Securities Act.

        (b) All shares of Giga-tronics Common Stock issued in the Merger shall,
upon issuance, be fully paid, validly issued and nonassessable. Giga-tronics has
reserved sufficient shares of Giga-tronics Common Stock for issuance in the
Merger based on the number of Ultracision Shares outstanding on the date hereof.

        Section 4.06. Capitalization of Merger Sub; Subsidiaries. The authorized
capital stock of Merger Sub consists of 1,000 shares of common stock, par value
$.01 per share, all of which are outstanding. All of the issued and outstanding
capital stock of Merger Sub is owned by Giga-tronics. Merger Sub has not
conducted any business prior to the date hereof and has no assets, liabilities
or obligations of any nature other than those incident to its formation and
pursuant to this Agreement. Except for its wholly owned Subsidiaries, ASCOR,
Inc. and Viking Semiconductor Equipment, Inc., Giga-tronics does not own,
directly or indirectly, any outstanding capital stock or equity interest in any
corporation, partnership, joint venture or other entity other than Merger Sub.




                                       18
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        SECTION 4.07. SEC FILINGS.

        (a) Giga-tronics has since March 27, 1993 filed all proxy statements,
schedules and reports required to be filed by it with the SEC pursuant to the
Exchange Act.

        (b) Giga-tronics has delivered to Ultracision:

               (i) its annual reports on Form 10-K for its fiscal years ended
March 30, 1996 and March 29, 1997;

               (ii) its quarterly report on Form 10-Q for its fiscal quarters
ending June 28 and September 27, 1997;

               (iii) its proxy or information statements relating to meetings
of, or actions taken without a meeting by, the shareholders of Giga-tronics held
since August 5, 1997;

               (iv) all of its other reports, statements, schedules and
registration statements filed with the SEC since August 5, 1997; and

               (v) all press releases issued by Giga-tronics since August 5,
1997.

        (c) As of its filing date, no such report or statement filed pursuant to
the Exchange Act contained any untrue statement of a material fact or omitted to
state any material fact necessary in order to make the statements made therein,
in the light of the circumstances under which they were made, not misleading.

        (d) No such registration statement, as amended or supplemented, if
applicable, filed pursuant to the Securities Act, as of the date such statement
or amendment became effective, contained any untrue statement of a material fact
or omitted to state any material fact required to be stated therein or necessary
to make the statements therein not misleading.

        Section 4.08. Financial Statements. The audited financial statements
Giga-tronics included in its annual reports on Form 10-K and the unaudited
financial statements of Giga-tronics included in its quarterly reports on Form
10-Q referred to in Section 4.07 present fairly, in conformity with generally
accepted accounting principles applied on a consistent basis (except as may be
indicated in the notes thereto), the consolidated financial position of
Giga-tronics as of the dates thereof and its results of operations,
shareholders' equity and cash flows for the periods then ended (subject to
normal year-end adjustments in the case of any interim financial statements).
For purposes of this Agreement, "Giga-tronics Balance Sheet" means the balance
sheet of Giga-tronics as of September 27, 1997, and the notes thereto, contained
in Giga-tronics' quarterly report on Form 10-Q filed for its fiscal quarter then
ended, and "Giga-tronics Balance Sheet Date" means September 27, 1997.

        Section 4.09. Disclosure Documents. None of the information supplied or
to be supplied by Giga-tronics or Merger Sub for inclusion in the Information
Materials will, at the time of mailing of the Information Materials to
shareholders of Ultracision and at the time of any meeting of such shareholders
to be held in connection with the Merger or solicitation of written consent



                                       19
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approving the Merger, contain any untrue statement of a material fact or omits
or will omit to state any material fact required to be stated therein or
necessary in order to make the statements therein, in light of the circumstances
under which they are made, not misleading.

        Section 4.10. Absence of Certain Changes. Since the Giga-tronics Balance
Sheet Date, Giga-tronics and its Subsidiaries have in all material respects
conducted their business in the ordinary course and there has not been:

        (a) any Material Adverse Change with respect to Giga-tronics;

        (b) any declaration, setting aside or payment of any dividend or other
distribution in respect of any shares of capital stock of Giga-tronics;

        (c) any repurchase, redemption or other acquisition by Giga-tronics or
any of its Subsidiaries of any outstanding shares of capital stock or other
securities of, or other ownership interests in, Giga-tronics or any such
Subsidiary;

        (d) any amendment of any material term of any outstanding Giga-tronics
Securities or any Giga-tronics Subsidiary Securities;

        (e) any damage, destruction or other casualty loss (whether or not
covered by insurance) materially and adversely affecting the business, assets,
liabilities, earnings or prospects of Giga-tronics or any of its Subsidiaries;

        (f) any new (or amendment to or alteration of any existing) bonus,
incentive compensation, severance, stock option, stock appreciation right,
pension, matching gift, profit-sharing, employee stock ownership, retirement,
pension group insurance, death benefit, or other fringe benefit plan,
arrangement or trust agreement adopted or implemented by Giga-tronics which
would result in a material increase in cost to Giga-tronics;

        (g) the entering into of any agreement by Giga-tronics or any person on
behalf of Giga-tronics to take any of the foregoing actions.

        Section 4.11. Litigation. There is no action, suit, proceeding, claim or
investigation pending or overtly threatened, against Giga-tronics or any of its
assets or against or involving any of its officers, directors or employees in
connection with the business or affairs of Giga-tronics, including, without
limitation, any claims for indemnification arising under any agreement to which
Giga-tronics is a party, which could, individually or in the aggregate, have a
Material Adverse Effect on Giga-tronics or which in any manner challenges or
seeks to prevent, enjoin, alter or materially delay any of the transactions
contemplated hereby. Giga-tronics is not subject to or in default with respect
to any writ, order, judgment, injunction or decree, which would have a Material
Adverse Effect on Giga-tronics.

        Section 4.12. Giga-tronics Advisor's Fees. Except for an investment
banking firm which may be selected by Giga-tronics (the "Giga-tronics Financial
Advisor") to render a fairness opinion in connection with the transactions
contemplated by the terms of this Agreement, whose fees will be disclosed in
writing to Ultracision and whose fees will be paid by Giga-tronics, there is 



                                       20
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no investment banker, broker, finder or other intermediary which has been
retained by or is authorized to act on behalf of Giga-tronics or any of its
Subsidiaries who is entitled to any fee or commission from Giga-tronics or any
of its affiliates upon consummation of the transactions contemplated by this
Agreement.

        Section 4.13. Continuity. Prior to the Merger, Giga-tronics will be in
"control" (within the meaning of Section 368(c) of the Code) of the Merger Sub.
As of the date of this Agreement, Giga-tronics has no plan or intention to,
following the consummation of the Merger: sell or otherwise dispose of the
capital stock of Ultracision except for transfers of such stock to corporations
controlled by Giga-tronics within the meaning of Section 368(a)(2)(C) of the
Code; or cause Ultracision to sell or otherwise dispose of its assets, except
for dispositions made in the ordinary course of business or transfers of assets
to corporations controlled by Ultracision within the meaning of Section
368(a)(2)(C) of the Code.

                                    ARTICLE V
                            COVENANTS OF ULTRACISION

        Ultracision agrees that:

        Section 5.01. Conduct of Ultracision. From the date hereof until the
Effective Time, Ultracision shall in all material respects conduct its business
in the ordinary course. Without limiting the generality of the foregoing, from
the date hereof until the Effective Time, except as contemplated hereby or
previously disclosed by Ultracision to Giga-tronics in writing, without the
prior written consent of Giga-tronics:

               (a) Ultracision  will not adopt or  propose  any change in its 
Articles of Incorporation or Bylaws;

               (b) Ultracision will not enter into or amend any employment
agreements, oral or written or increase the compensation payable or to become
payable by it to any of its officers, directors, or consultants over the amount
payable as of September 30, 1997, or increase the compensation payable to any
other employees (other than (A) increases in the ordinary course of business
which are not in the aggregate material to Ultracision, or (B) pursuant to plans
disclosed in Ultracision Disclosure Schedule), or adopt or amend any employee
benefit plan or arrangement (oral or written);

               (c) Ultracision will not issue any Ultracision Securities;

               (d) Ultracision will not pay any dividend or make any other
distribution to holders of its capital stock nor will Ultracision redeem or
otherwise acquire any Ultracision Securities;

               (e) Ultracision will not, directly or indirectly, merge or
consolidate with another entity or dispose of or acquire any material properties
or assets except in the ordinary course of business;




                                       21
   23

               (f) Ultracision will not incur any additional indebtedness for
borrowed money in excess of $25,000 in the aggregate, except pursuant to
existing arrangements which have been disclosed to Giga-tronics prior to the
date hereof;

               (g) Ultracision will not amend or change the period of
exercisability or accelerate the exercisability of any outstanding options or
warrants to acquire shares of capital stock, or accelerate, amend or change the
vesting period of any outstanding restricted stock;

               (h) Ultracision will not, except in the ordinary course of
business consistent with past practices, sell, license or otherwise transfer to
any person any Ultracision intellectual property rights; and

               (i) Ultracision will not agree or commit to do any of the
foregoing.

        Section 5.02. Intentionally Deleted.

        Section 5.03. Access to Financial and Operation Information. From the
date hereof until the Effective Time, Ultracision will give Giga-tronics, its
counsel, financial advisors, auditors and other authorized representatives
reasonable access during normal business hours to the offices, properties, books
and records of Ultracision, will furnish to Giga-tronics, its counsel, financial
advisors, auditors and other authorized representatives such financial and
operating data as such persons may reasonably request and will instruct
Ultracision's employees, counsel and financial advisors to cooperate with
Giga-tronics in its investigation of the business of Ultracision and in the
planning for the combination of the businesses of Ultracision and Giga-tronics
following the consummation of the Merger; provided that no investigation
pursuant to this Section shall affect any representation or warranty given by
Ultracision to Giga-tronics hereunder. In addition, Ultracision will cooperate
in arranging joint meetings among representatives of Ultracision and
Giga-tronics and persons with whom Ultracision maintains business relationships.
All requests for information made pursuant to this Section shall be directed to
the President of Ultracision or such person as may be designated by him. All
information obtained pursuant to this Section 5.03 shall be governed by any
confidentiality agreements currently in effect between Giga-tronics and
Ultracision as well as the terms of Section 5.08 of this Agreement.

        Section 5.04. Other Offers. From the date hereof until the earlier of
the Effective Date or the termination of this Agreement in accordance with the
terms hereof, Ultracision and the officers, directors, employees or other agents
of Ultracision will not, directly or indirectly, (i) take any action to solicit,
initiate or encourage the making of any Acquisition Proposal (as hereinafter
defined); or (ii) engage in negotiations with, or disclose any nonpublic
information relating to Ultracision or afford access to the properties, books or
records of Ultracision to, any person or entity that informs the Board of
Directors that it is considering making, or has made, an Acquisition Proposal.
Until this Agreement shall be terminated in accordance with the terms hereof,
Ultracision will not enter into any agreement to merge or consolidate with, or
sell a substantial portion of its assets to, any person or entity. Ultracision
will promptly notify Giga-tronics after receipt of any Acquisition Proposal or
any request for nonpublic information relating to Ultracision in connection with
an Acquisition Proposal or for access to the properties, books or records of
Ultracision by any person or entity that informs the Board of Directors that it
is 



                                       22
   24

considering making, or has made, an Acquisition Proposal. The term "Acquisition
Proposal" shall mean (i) any merger, consolidation, tender offer or other
similar transaction or related transactions pursuant to which the holders of the
voting securities of Ultracision prior to the transaction hold following the
consummation of such transaction less than eighty percent (80%) of the voting
securities of the surviving entity, (ii) a sale of a material portion of the
assets of Ultracision, or (iii) any equity or convertible debt transaction or
related transactions in which any person or group of affiliated persons other
than current security holders of Ultracision acquire securities of Ultracision
representing more than twenty percent (20%) of the aggregate voting power of
Ultracision's outstanding securities, other than in each case the transactions
contemplated by this Agreement. For purposes of the foregoing definition, one
person shall be deemed to be affiliated with a second person if such first
person controls, is controlled by or is under common control with the second
person, and control, for purposes hereof, shall be deemed to exist only in the
event there exists ownership of or the right to vote, in either case directly or
indirectly, securities representing more than fifty percent (50%) of the
aggregate voting power of an entity's outstanding securities.

        Section 5.05. Maintenance of Business. Ultracision will use its best
efforts to carry on its business, keep available the services of its officers
and employees and preserve its relationships with those of its customers,
suppliers, licensors and others having business relationships with it that are
material to its business in substantially the same manner as it has prior to the
date hereof. If Ultracision becomes aware of a material deterioration or facts
which are likely to result in a material deterioration in the relationship with
any material customer, supplier, licensor or others having business
relationships with it, it will promptly bring such information to the attention
of the Giga-tronics in writing.

        Section 5.06. Compliance with Obligations. Prior to the Effective Date,
Ultracision shall comply with (i) all applicable federal, state, local and
foreign laws, rules and regulations, (ii) all material agreements and
obligations, including its Articles of Incorporation and Bylaws, by which it,
its properties or its assets may be bound, and(iii) all decrees, orders, writs,
injunctions, judgments, statutes, rules and regulations applicable to
Ultracision and its properties or assets.

        Section 5.07. Notices of Certain Events.  Ultracision shall, upon 
obtaining knowledge of any of the following, promptly notify Giga-tronics of:

               (a) any notice or other communication from any person alleging
that the consent of such person is or may be required in connection with the
Merger;

               (b) any notice or other communication from any governmental or
regulatory agency or authority in connection with the Merger; and

               (c) any actions, suits, claims, investigations or other judicial
proceedings commenced or threatened against Ultracision which, if pending on the
date of this agreement, would have been required to have been disclosed pursuant
to Sections 3.10 or 3.20 or which relate to the consummation of the Merger.




                                       23
   25

        Section 5.08. Confidentiality. Ultracision agrees that for a period of
three (3) years following any termination of this Agreement, Ultracision shall
not (a) disclose to any person, association, firm, corporation or other entity
in any manner, directly or indirectly, any confidential information or data
relevant to the operations of Giga-tronics whether of a technical or commercial
nature, nor (b) use, or permit or assist, by acquiescence or otherwise, any
person, association, firm, corporation or other entity to use, directly or
indirectly, any such information or data in any manner which reasonably would be
deemed to be competitive with the operations of Giga-tronics excepting only use
of: (i) information in the public domain at the time of disclosure to
Ultracision; (ii) information subsequently coming into the public domain by
means other than disclosure by Ultracision or any of its agents; (iii)
information Ultracision can establish and document was in its possession or was
known to it prior to its disclosure to Ultracision by Giga-tronics; (iv)
information disclosed to Ultracision by a third party not in violation of any
obligation of confidentiality or nondisclosure known to Ultracision or of which
Ultracision should reasonably have known; (v) information which was
independently developed by Ultracision or which is generally known in
Ultracision's industry, or (vi) information required to be disclosed by court
order provided that Giga-tronics is given sufficient notice prior to such
disclosure to enable Giga-tronics to avail itself of procedures to protect the
confidentiality of the information ordered to be disclosed.

        Section 5.09. Compliance with the Securities Act. Ultracision shall
prior to five (5) days after signing but in any event prior to or simultaneous
with the mailing of the Information Materials cause each person who is an
"affiliate," as that term is used in paragraphs (c) and (d) of Rule 145 under
the Securities Act, of Ultracision to deliver to Giga-tronics an Affiliates
Agreement in substantially the form attached hereto as Exhibit 5.09 (an
"Ultracision Affiliates Agreement").

                                   ARTICLE VI
                    COVENANTS OF GIGA-TRONICS AND MERGER SUB

        Giga-tronics and Merger Sub agree that:

        Section 6.01. Conduct of Giga-tronics. From the date hereof until the
Effective Time, Giga-tronics and its Subsidiaries shall in all material respects
conduct their business in the ordinary course. Without limiting the generality
of the foregoing, from the date hereof until the Effective Time, except as
contemplated hereby or previously disclosed by Giga-tronics to Ultracision in
writing, without the prior written consent of Ultracision:

               (a) Giga-tronics  will not adopt or propose any  changes in its  
Articles of Incorporation or Bylaws;

               (b) Giga-tronics will not pay any dividend or make any other
distribution to holders of its capital stock nor will Giga-tronics or any of its
Subsidiaries redeem or otherwise acquire any Giga-tronics Securities;

               (c) Giga-tronics shall take no extraordinary actions affecting
its capital structure (e.g., declaration of stock dividends or stock splits);




                                       24
   26

               (d) Giga-tronics will not except, in the ordinary course of
business consistent with past practices, sell, license or otherwise transfer to
any person any Giga-tronics intellectual property rights or any intellectual
property rights of any of its Subsidiaries; and

               (e) Giga-tronics will not, and will not permit any of its
Subsidiaries to, agree or commit to do any of the foregoing.

        Section 6.02. Compliance with Securities Laws. Giga-tronics shall take
any action required to be taken under foreign or state securities or "blue sky"
laws in connection with the issuance of Giga-tronics Common Stock in the Merger.

        Section 6.03. Maintenance of Business. Giga-tronics will use its best
efforts to carry on its business, keep available the services of its officers
and employees and preserve its relationships with those of its customers,
suppliers, licensors and other persons having business relationships with it
that are material to its business in substantially the same manner as it has
prior to the date hereof. If Giga-tronics becomes aware of a material
deterioration or facts which are likely to result in a material deterioration in
the relationship with any customer, supplier, licensor or others having business
relationships with it, it will promptly bring such information to the attention
of Ultracision in writing.

        Section 6.04. Compliance with Obligations. Prior to the Effective Date,
Giga-tronics and its Subsidiaries shall each comply with (i) all applicable
federal, state, local and foreign laws, rules and regulations, (ii) all material
agreements and obligations, including its respective certificate or articles of
incorporation and bylaws, by which it, its properties or its assets may be
bound, and (iii) all decrees, orders, writs, injunctions, judgments, statutes,
rules and regulations applicable to Giga-tronics and its Subsidiaries and their
respective properties or assets.

        Section 6.05. Notices of Certain Events.  Giga-tronics shall, upon 
obtaining knowledge of any of the following, promptly notify Ultracision of:

               (a) any notice or other communication from any person alleging
that the consent of such person is or may be required in connection with the
Merger;

               (b) any notice or other communication from any governmental or
regulatory agency or authority in connection with the Merger; and

               (c) any actions, suits, claims, investigations or other judicial
proceedings commenced or threatened against Giga-tronics or any of its
Subsidiaries which, if pending on the date of this Agreement, would have been
required to have been disclosed pursuant to Section 4.11 or which relate to the
consummation of the Merger.

        Section 6.06. Confidentiality. Giga-tronics agrees that for a period of
three (3) years following any termination of this Agreement Giga-tronics shall
not (a) disclose to any person, association, firm, corporation or other entity
in any manner, directly or indirectly, any confidential information or data
relevant to the operations of Ultracision, whether of a technical or commercial
nature, nor (b) use, or permit or assist, by acquiescence or otherwise, any
person, association, firm' corporation or other entity to use, directly or
indirectly, any such information or data in any 



                                       25
   27

manner which reasonably would be deemed to be competitive with the operations of
Ultracision excepting only use of (i) information in the public domain at the
time of disclosure to Giga-tronics (ii) information subsequently coming into the
public domain by means other than disclosure by Giga-tronics or any of its
agents (iii) information Giga-tronics can establish and document was in its
possession or was known to it prior to its disclosure to Giga-tronics by
Ultracision; (iv) information disclosed to Giga-tronics by a third party not in
violation of any obligation of confidentiality or nondisclosure known to
Giga-tronics or of which Giga-tronics should reasonably have known; (v)
information which was independently developed by Giga-tronics or which is
generally known in Ultracision's industry, or (vi) information required to be
disclosed by court order provided that Ultracision is given sufficient notice
prior to such disclosure to enable Ultracision to avail itself of procedures to
protect the confidentiality of the information ordered to be disclosed.

        Section 6.07. Obligations of Merger Sub. Giga-tronics will take all
action necessary to cause Merger Sub to perform its obligations under this
Agreement and to consummate the Merger on the terms and conditions set forth in
this Agreement. Merger Sub will not issue any shares of its capital stock, any
securities convertible into or exchangeable for its capital stock, or any
option, warrant or other right to acquire its capital stock to any Person other
than Giga-tronics or a wholly owned Subsidiary of Giga-tronics. Merger Sub shall
not incur any indebtedness or liabilities of any kind except pursuant to this
Agreement.

        Section 6.08. Compliance with the Securities Act. Giga-tronics shall
cause each person who is an "affiliate," as that term is used in paragraphs (c)
and (d) of Rule 145 under the Securities Act, of Giga-tronics to enter on or
prior to the Effective Date an Affiliates Agreement in substantially the form
attached hereto as Exhibit 6.08 (a "Giga-tronics Affiliates Agreement").

                                   ARTICLE VII
                         OTHER COVENANTS OF THE PARTIES

        The Parties agree that:

        Section 7.01. Advice of Changes. Each party will promptly advise each
other party in writing (i) of any event known to its executive officers
occurring subsequent to the date of this Agreement that would render any
representation or warranty of such party contained in this Agreement, if made on
or as of the date of such event or the Effective Date, untrue, inaccurate or
misleading in any material respect (other than an event so affecting a
representation or warranty which is expressly limited to a state of facts
existing at a time prior to the occurrence of such event) and (ii) of any
Material Adverse Change in the business condition of the party and its
Subsidiaries, taken as a whole.

        Section 7.02. Regulatory Approvals. Prior to the Effective Time, each
party shall execute and file, or join in the execution and filing of, any
application or other document that may be necessary in order to obtain the
authorization, approval or consent of any governmental body, federal, state,
local or foreign, which may be reasonably required, or that the other company
may reasonably request, in connection with the consummation of the Merger. Each
party shall use its reasonable best efforts to obtain all such authorizations,
approvals and consents.




                                       26
   28

        Section 7.03. Actions Contrary to Stated Intent. No party hereto shall,
from or after the date hereof and either before or after the Effective Time,
take any action that would prevent the Merger from qualifying as a
reorganization under Section 368 of the Code.

        Section 7.04. Certain Filings.  The Parties shall cooperate with one 
another:

        (a) in determining whether any action by or in respect of, or filing
with, any governmental body, agency or official, or authority is required, or
any actions, consents, approvals or waivers are required to be obtained from
parties to any material contracts, in connection with the consummation of the
transactions contemplated by this Agreement; and

        (b) in seeking any such actions, consents, approvals or waivers or
making any such filings, furnishing information required in connection therewith
and seeking timely to obtain any such actions, consents, approvals or waivers.

        Section 7.05. Communications. Between the date hereof and the Effective
Time, no party will furnish any written communication to its shareholders or to
the public generally if the subject matter thereof relates to the transactions
contemplated by this Agreement without the prior approval of Ultracision and
Giga-tronics as to the content thereof, which approval shall not be unreasonably
withheld; provided that the foregoing shall not be deemed to prohibit any
disclosure required by any applicable law or by any competent governmental
authority.

        Section 7.06. Satisfaction of Conditions Precedent. The parties will use
their reasonable best efforts to satisfy or cause to be satisfied all the
conditions precedent that are set forth in Article VIII, as applicable to each
of them, and to cause the transactions contemplated by this Agreement to be
consummated, and, without limiting the generality of the foregoing, to obtain
all consents and authorizations of third parties and to make all filings with,
and give all notices to, third parties that may be necessary or reasonably
required on its part in order to effect the transactions contemplated hereby.

                                  ARTICLE VIII
                            CONDITIONS TO THE MERGER

        Section 8.01. Conditions to Obligations of Giga-tronics and Merger Sub.
The obligations of Giga-tronics and Merger Sub hereunder are subject to the
fulfillment or satisfaction, on and as of the Effective Date, of each of the
following conditions (any one or more of which may be waived by Giga-tronics,
but only in a writing signed by Giga-tronics):

               (a) Accuracy of Representations and Warranties. The
representations and warranties of Ultracision and the Shareholder contained in
Article III shall be true and accurate in all material respects on and as of the
Effective Date with the same force and effect as if they had been made on the
Effective Date (except to the extent a representation or warranty speaks only as
of an earlier date and except for changes contemplated by this Agreement) and
Ultracision shall have provided Giga-tronics with a certificate executed by the
President and the Chief Financial Officer of Ultracision, dated as of the
Effective Date, to such effect; provided, however, that any inaccuracy of a
representation or warranty, on the date hereof or on the Effective Date, shall
not 



                                       27
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result in the non-satisfaction of this Section 8.01(a) unless any such
inaccuracy or inaccuracies, either (i) individually or in the aggregate,
represent a Material Adverse Effect on Ultracision or (ii) are willful and
intentional misrepresentations of a material matter that constitute common law
fraud. For purposes of this Agreement, a "Material Adverse Effect," with respect
to any person or entity, means a material adverse effect on the financial
condition, business, liabilities (including contingent liabilities) or results
of operations of such person or entity and its Subsidiaries, taken as a whole;
and "Material Adverse Change" shall mean a change or a development involving a
prospective change which would have a Material Adverse Effect.

               (b) Covenants. Ultracision shall have performed and complied with
all of its covenants contained in Articles V and VII in all material respects on
or before the Effective Date, and Giga-tronics shall receive a certificate to
such effect signed by Ultracision's President and Chief Financial Officer.

               (c) No Material Adverse Change. There shall have been no Material
Adverse Change in Ultracision since the Ultracision Balance Sheet Date.

               (d) Affiliates Agreements. Giga-tronics shall have received from
each person or entity who may be deemed pursuant to Section 5.09 to be an
affiliate of Ultracision a duly executed Affiliates Agreement, and such
Affiliates Agreements shall remain in full force and effect.

               (e) Satisfactory Completion of Due Diligence Review.
Giga-tronics' due diligence review of the business, operations and financial
condition of Ultracision shall not have revealed any facts or circumstances
which in the reasonable judgment of Giga-tronics could have a Material Adverse
Effect on Ultracision. If such due diligence review shall reveal facts or
circumstances which in the reasonable judgment of Giga-tronics could have a
Material Adverse Effect on Ultracision, Giga-tronics shall promptly notify
Ultracision of its determination or shall be deemed to have waived compliance
with this condition.

               (f) Pooling of Interests Matters. In the sole discretion of
Giga-tronics, the Merger shall qualify for accounting treatment as a pooling of
interests in accordance with Accounting Principles Board Release No. 16. In
determining whether the Merger so qualifies Giga-tronics may consider the impact
on such qualification of Ultracision Shares which are voted against the Merger
or which have abstained from voting with respect to the Merger.

        Section 8.02. Conditions to Obligations of Ultracision. Ultracision's
obligations hereunder are subject to the fulfillment or satisfaction, on and as
of the Effective Date, of each of the following conditions (any one or more of
which may be waived by Ultracision, but only in a writing signed by
Ultracision):

               (a) Accuracy of Representations and Warranties. The 
representations and warranties of Giga-tronics set forth in Article IV shall be
true and accurate in all material respects on and as of the Effective Date with
the same force and effect as if they had been made on the Effective Date (except
to the extent a representation or warranty speaks only as of an earlier date and
except for changes contemplated by this Agreement) and Giga-tronics shall have
provided 



                                       28
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Ultracision with a certificate executed by the President and the Chief
Financial Officer of Giga-tronics, dated as of the Effective Date, to such
effect; provided, however, that any inaccuracy of a representation or warranty,
on the date hereof or on the Effective Date, shall not result in the
non-satisfaction of this Section 8.02(a) unless any such inaccuracy or
inaccuracies, either (i) individually or in the aggregate, represent a Material
Adverse Effect on Giga-tronics or (ii) are willful and intentional
misrepresentations that constitute common law fraud of a material matter.

               (b) Covenants. Giga-tronics shall have performed and complied
with all of its covenants contained in Articles VI and VII in all material
respects on or before the Effective Date, and Ultracision shall receive a
certificate to such effect signed by Giga-tronics' President and Chief Financial
Officer.

               (c) No Material Adverse Change. There shall have been no Material
Adverse Change in Giga-tronics since the Giga-tronics Balance Sheet Date.

        Section 8.03. Conditions to Obligations of Each Party. The respective
obligations of Ultracision and Giga-tronics hereunder are subject to the
fulfillment, on and as of the Effective Date, of each of the following
conditions (any one or more of which may be waived by such parties, but only in
a writing signed by such parties):

               (a) Illegality or Legal Constraint. No statute, rule, regulation,
executive order, decree, injunction or restraining order shall have been
enacted, promulgated or enforced (and not repealed, superseded or otherwise made
inapplicable) by any court or governmental authority which prohibits the
consummation of the Merger (each party agreeing to use its reasonable best
efforts to have any such order, decree or injunction lifted).

               (b) Consents. All written consents, assignments, waivers or
authorizations ("Consents"), other than Governmental Authorizations, that are
required as a result of the Merger for the continuation in full force and effect
of any material contracts or leases of Ultracision or Giga-tronics shall have
been obtained, other than those Consents the failure of which to obtain would
not have a Material Adverse Effect on Ultracision or Giga-tronics.

               (c) Governmental Authorizations. There shall have been obtained
any and all Governmental Authorizations, permits, approvals and consents of
securities or "blue sky" commissions of any jurisdiction and of any other
governmental body or agency, that may reasonably be deemed necessary so that the
consummation of the Merger will be in compliance with applicable laws, the
failure to comply with which would have a Material Adverse Effect on
Giga-tronics, Ultracision or the Surviving Corporation or would be reasonably
likely to subject any of Giga-tronics, Merger Sub, Ultracision or any of their
respective directors or officers to substantial penalties or criminal liability.




                                       29
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                                   ARTICLE IX
                            TERMINATION OF AGREEMENT

        Section 9.01. Termination. This Agreement may be terminated at any time 
prior to the Effective Time whether before or after the approval by the
shareholders of Ultracision or Giga-tronics:

               (a) by mutual consent of the Boards of Directors of Giga-tronics,
Merger Sub and Ultracision;

               (b) by Giga-tronics, if it is not in material breach of its
obligations under this Agreement and if the Board of Directors of Ultracision
shall have recommended or approved any acceptance by shareholders of any
Acquisition Proposal (other than an Acquisition Proposal made by Giga-tronics or
an affiliate of Giga-tronics); or

               (c) by either Giga-tronics and Merger Sub or Ultracision,
respectively, (A) if there has been a breach of any representation and warranty
such that Section 8.01(a) or 8.02(a), respectively, cannot be satisfied or (B)
if there has been the willful breach on the part of Ultracision or Giga-tronics
and Merger Sub, respectively, of any covenant or agreement contained in this
Agreement such that Sections 8.01(b) or 8.02(b) cannot be satisfied, and in both
case (A) and case (B) such breach has not been promptly cured after notice to
the breaching party; or

               (d) by Giga-tronics, if the conditions contained in Section
8.01(f) are not satisfied; or

               (f) by Giga-tronics, if Ultracision shall have issued any
Ultracision Securities between the date of this Agreement and the Closing Date
without the prior consent of Giga-tronics; or

               (g) by either Giga-tronics and Merger Sub or Ultracision,
respectively, at any time after December 10, 1997, unless the delay is caused by
the failure of the terminating party to fulfill its obligations hereunder.

        Section 9.02. Effect of Termination. In the event of termination of this
Agreement as provided above, this Agreement shall forthwith become void, and
there shall be no liability on the part of either Giga-tronics, Merger Sub or
Ultracision, except that each of the agreements contained or referred to in
Sections 5.08, 6.06 and 10.02 shall survive the termination hereof; provided,
however, that each party shall be entitled to any remedies at law or in equity
in the event of a breach of this Agreement by the other party.

                                    ARTICLE X
                                  MISCELLANEOUS

        Section 10.01.Further Assurances. Each party agrees to cooperate fully
with the other parties and to execute such further instruments, documents and
agreements and to give such further written assurances as may be reasonably
requested by any other party to better evidence 



                                       30
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and reflect the transactions described herein and contemplated hereby and to
carry into effect the intents and purposes of this Agreement.

        Section 10.02. Fees and Expenses. Except as set forth in Ultracision's
Disclosure Schedule or Section 4.12, whether or not the Merger is consummated,
each party shall pay all fees and expenses incurred by such party, including
counsel fees and fees of accountants contracted by such party, and any other
expenses specifically identifiable to such party in connection with the
transactions contemplated hereby. Any other costs and expenses not specifically
identified as applicable to either Ultracision or Giga-tronics shall be shared
equally.

        Section 10.03. Nonsurvival of Representations and Warranties. All
representations and warranties made herein, and in any instrument delivered
pursuant hereto, shall be deemed to be conditions to the Merger and shall not
survive the Merger.

        Section 10.04. Notices. Any notice or communication required or
permitted by this Agreement shall be deemed sufficiently given if in writing
and, if delivered personally, when it is delivered or, if delivered in another
manner, the earlier of when it is actually received by the party to whom it is
directed or when the period set forth below expires (whether or not it is
actually received):

               (a) if deposited with the U.S. Postal Service, postage prepaid,
and addressed to the party to receive it as set forth below, forty-eight (48)
hours after such deposit as registered or certified mail; or

               (b) if accepted by Federal Express or a similar delivery service
in general usage for delivery to the address of the party to receive it as set
forth next below, twenty-four (24) hours after the delivery time promised by the
delivery service.

Giga-tronics and Merger Sub:

        Giga-tronics Incorporated
        4650 Norris Canyon Road
        San Ramon, CA 94583
        Attention:    George H. Bruns, Jr.
                      Chief Executive Officer
        Facsimile:    (510) 328-4700

With copy to:

        Gibson, Dunn & Crutcher LLP
        Pacific Telesis Tower
        One Montgomery Street
        San Francisco, CA 94104
        Attention:    William L.  Hudson, Esq.
        Facsimile:    (415) 986-5309



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Ultracision:

        Ultracision, Inc.
        3380 Montgomery Drive
        Santa Clara, CA 95054
        Attention:    Gordon Hampton
                      Chief Executive Officer
        Facsimile:    (408) 980-0670

With copy to:

        Hopkins & Carley, A Law Corporation
        Eighth Floor, 10 Almaden Boulevard
        San Jose, CA  95113
        Attention:    Anthony J. McCarthy, Esq.
        Facsimile:    (408) 998-4790

        Such communications shall be effective when they are received by the
addressee thereof. Any party may change its address for such communications by
giving notice thereof to the other parties in conformity with this Section.

        Section 10.05. Governing Laws. The laws of the State of California
(irrespective of its choice of law principles) shall govern all issues
concerning the Merger and all other issues concerning the validity of this
Agreement, the construction of its terms, and the interpretation and enforcement
of the rights and duties of the parties.

        Section 10.06. Binding upon Successors and Assigns; Assignment. This
Agreement and the provisions hereof shall be binding upon each of the parties,
their permitted successors assigns. This Agreement may not be assigned by any
party without the prior written consent of the parties.

        Section 10.07. Severability. If any provision of this Agreement, or the
application thereof, shall for-any reason or to any extent be invalid or
unenforceable, the remainder of this Agreement and application of such provision
to other persons or circumstances shall continue in full force and effect and in
no way be affected, impaired or invalidated.

        Section 10.08. Entire Agreement. This Agreement and-the other agreements
and instruments referenced herein constitute the entire understanding and
agreement of the parties with respect to the subject matter hereof and supersede
all prior and contemporaneous agreements or understandings, inducements or
conditions, express or implied, written or oral, between the parties with
respect hereto.

        Section 10.09. Other Remedies. Except as otherwise provided herein, any
and all remedies herein expressly conferred upon a party shall be deemed
cumulative with and not exclusive of any other remedy conferred hereby or by law
on such party, and the exercise of any one remedy shall not preclude the
exercise of any other.




                                       32
   34

        Section 10.10. Amendment and Waivers. Any term or provision of this
Agreement may be amended, and the observance of any term of this Agreement may
be waived (either generally or in a particular instance and either retroactively
or prospectively) only by a writing signed by the party to be bound thereby. The
waiver by a party of any breach hereof or default in the performance hereof
shall not be deemed to constitute a waiver of any other default or any
succeeding breach or default. At any time before or after approval of this
Agreement and the Merger by the shareholders of Ultracision and prior to the
Effective Time, this Agreement may be amended or supplemented by Ultracision or
Giga-tronics with respect to any of the terms contained in this Agreement,
except that following approval by the shareholders of Ultracision there shall be
no amendment or change to the provisions hereof with respect to the Exchange
Ratio without further approval by the shareholders of Ultracision, and no other
amendment shall be made which by law requires further approval by such
shareholders without such further approval.

        Section 10.11. No Waiver. The failure of any party to enforce any of the
provisions hereof shall not be construed to be a waiver of the right of such
party thereafter to enforce such provisions.

        Section 10.12. Construction of Agreement: Knowledge. A reference to an
Article, Section or an Exhibit shall mean an Article of, a Section in, or
Exhibit to, this Agreement unless otherwise explicitly set forth. The titles and
headings herein are for reference purposes only and shall not in any manner
limit the construction of this Agreement which shall be considered as a whole.
The words "include," "includes" and "including" when used herein shall be deemed
in each case to be followed by the words "without limitation." For purposes of
this Agreement, "knowledge" of any party shall mean the actual knowledge of the
executive officers of such party after such officers shall have made inquiry
that is customary and appropriate under the circumstances to which reference is
made, except that "knowledge" of the Shareholder shall mean the actual knowledge
of such Shareholder.

        Section 10.13. Counterparts. This Agreement may be executed in any 
number of counterparts, each of which shall be an original as against any party
whose signature appears thereon and all of which together shall constitute one
and the same instrument. This Agreement shall become binding when one or more
counterparts hereof, individually or taken together, shall bear the signatures
of all of the parties reflected hereon as signatories.



                                       33
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        IN WITNESS WHEREOF, the-parties hereto have executed this Agreement as
of the date first above written.

                               GIGA-TRONICS INCORPORATED

                               By: /s/ George H. Bruns, Jr.
                               Name:    George H. Bruns, Jr.
                               Title:   Chief Executive Officer


                               GIGA ACQUISITION CORP.

                               By: /s/ George H. Bruns, Jr.
                               Name:  George H. Bruns, Jr.
                               Title: Chief Executive Officer


                               ULTRACISION, INC.

                               By: /s/ Gordon Hampton
                               Name: Gordon Hamption
                               Title: President


                               GORDON HAMPTON

                               /s/ Gordon Hampton



   36

                                    GLOSSARY



                                                                     SECTION
                                                                
Absence of Certain Business Practices............................  Section 3.20
Absence of Certain Changes.......................................  Section 4.10
Absence of Changes or Events.....................................  Section 3.08
Access to Financial and Operation Information....................  Section 5.03
Accounting Matters...............................................  Section 3.24
Actions Contrary to Stated Intent................................  Section 7.03
Advice of Changes................................................  Section 7.01
Amendment and Waivers............................................  Section 10.10
Articles of Incorporation........................................  Section 2.01
Binding upon Successors and Assigns; Assignment..................  Section 10.06
Bylaws...........................................................  Section 2.02
Capitalization...................................................  Section 3.05
Capitalization of Giga-tronics...................................  Section 4.05
Capitalization of Merger Sub; Subsidiaries.......................  Section 4.06
Certain Filings..................................................  Section 7.04
Communications...................................................  Section 7.05
Compliance with Laws and Other Instruments.......................  Section 3.21
Compliance with Obligations......................................  Section 5.06
Compliance with Obligations......................................  Section 6.04
Compliance with Securities Laws..................................  Section 6.02
Compliance with the Securities Act...............................  Section 5.09
Compliance with the Securities Act...............................  Section 6.08
Conditions to Obligations of Each Party..........................  Section 8.03
Conditions to Obligations of Giga-tronics and Merger Sub.........  Section 8.01
Conditions to Obligations of Ultracision.........................  Section 8.02
Conduct of Giga-tronics..........................................  Section 6.01
Conduct of Ultracision...........................................  Section 5.01
Confidentiality..................................................  Section 5.08
Confidentiality..................................................  Section 6.06
Construction of Agreement: Knowledge.............................  Section 10.12
Continuity.......................................................  Section 4.13
Conversion of Shares.............................................  Section 1.02
Corporate Authorization..........................................  Section 3.02
Corporate Authorization..........................................  Section 4.02
Corporate Existence and Power....................................  Section 3.01
Corporate Existence and Power....................................  Section 4.01
Counterparts.....................................................  Section 10.13
Directors and Officer............................................  Section 2.03
Disclosure Documents.............................................  Section 3.22
Disclosure Documents.............................................  Section 4.09
Effect of Termination............................................  Section 9.02
Employee Benefit Plans; ERISA....................................  Section 3.13




   37

                                                                
Entire Agreement.................................................  Section 10.08
Environmental Matters............................................  Section 3.17
Exchange of Certificates.........................................  Section 1.03
Fees and Expenses................................................  Section 10.02
Financial Statements.............................................  Section 3.07
Financial Statements.............................................  Section 4.08
Fractional Shares................................................  Section 1.05
Further Assurances...............................................  Section 10.01
Giga-tronics Advisor's Fees......................................  Section 4.12
Governing Laws...................................................  Section 10.05
Governmental Authorization.......................................  Section 3.03
Governmental Authorization.......................................  Section 4.03
Insurance........................................................  Section 3.12
Intellectual Property............................................  Section 3.18
Intentionally Deleted............................................  Section 1.04
Intentionally Deleted............................................  Section 5.02
Interested Party Transactions....................................  Section 3.26
Litigation.......................................................  Section 3.10
Litigation.......................................................  Section 4.11
Maintenance of Business..........................................  Section 5.05
Maintenance of Business..........................................  Section 6.03
Material Agreements..............................................  Section 3.14
No Guaranties....................................................  Section 3.19
Registration of Giga-tronics Common Stock........................  Section 1.07
No Undisclosed Liabilities.......................................  Section 3.09
No Waiver........................................................  Section 10.11
Non-Contravention................................................  Section 3.04
Non-Contravention................................................  Section 4.04
Nonsurvival of Representations and Warranties....................  Section 10.03
Notices..........................................................  Section 10.04
Notices of Certain Events........................................  Section 5.07
Notices of Certain Events........................................  Section 6.05
Obligations of Merger Sub........................................  Section 6.07
Options..........................................................  Section 1.06
Other Offers.....................................................  Section 5.04
Other Remedies...................................................  Section 10.09
Real Property; Leases............................................  Section 3.15
Regulatory Approvals                                               Section 7.02
Replacement Options..............................................  Section 1.06
Restrictions on Business Activities..............................  Section 3.25
Satisfaction of Conditions Precedent.............................  Section 7.06
SEC Filings......................................................  Section 4.07
Severability.....................................................  Section 10.07
Subsidiaries and Investments.....................................  Section 3.06
Tax Matters......................................................  Section 3.23


   38


                                                                
Taxes............................................................  Section 3.11
Termination......................................................  Section 9.01
The Merger.......................................................  Section 1.01
Title to Assets..................................................  Section 3.16
Ultracision Advisory Fees........................................  Section 3.27
Ultracision Options..............................................  Section 1.06