CYLINK CORP /CA/
DEF 14A, 1998-04-23
COMPUTER PERIPHERAL EQUIPMENT, NEC
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                            SCHEDULE 14A INFORMATION

                  Proxy Statement Pursuant to Section 14(a) of
                      the Securities Exchange Act of 1934


Filed by the Registrant    [X]                       
Filed by a party other than the Registrant   [ ]

Check the appropriate box:                 
[ ]  Preliminary Proxy Statement           [ ]  Confidential, for Use of the   
[X]  Definitive Proxy Statement                 Commission Only (as permitted by
[ ]  Definitive Additional Materials            Rule 14a-6(e)(2))               
[ ]  Soliciting Material Pursuant to       
     Rule 14a-11(c) or Rule 14a-12       


                               CYLINK CORPORATION
                ------------------------------------------------
                (Name of Registrant as Specified in Its Charter)


    ------------------------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)


Payment of filing fee (Check the appropriate box):

[X]  No fee required.
[ ]  Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.


(1)  Title of each class of securities to which transactions applies:

- --------------------------------------------------------------------------------

(2)  Aggregate number of securities to which transactions applies:

- --------------------------------------------------------------------------------

(3)   Per unit price or other underlying value of transaction  computed pursuant
      to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is
      calculated and state how it was determined):

- --------------------------------------------------------------------------------

(4)   Proposed maximum aggregate value of transaction:

- --------------------------------------------------------------------------------

(5)   Total fee paid:

- --------------------------------------------------------------------------------

[ ]   Fee paid previously with preliminary materials.
- --------------------------------------------------------------------------------

[ ]   Check box if any part of the fee is offset as  provided  by  Exchange  Act
      Rule  0-11(a)(2)  and identify the filing for which the offsetting fee was
      paid  previously.  Identify the previous filing by registration  statement
      number, or the Form or Schedule and the date of its filing.

(1)   Amount previously paid:

- --------------------------------------------------------------------------------

(2)   Form, Schedule or Registration Statement No.:

- --------------------------------------------------------------------------------

(3)  Filing party:

- --------------------------------------------------------------------------------

(4)  Date filed:

- --------------------------------------------------------------------------------


<PAGE>


                              CYLINK CORPORATION

                   Notice of Annual Meeting of Shareholders
                            To Be Held May 22, 1998


To the Shareholders of Cylink Corporation:


     NOTICE  IS  HEREBY  GIVEN that the Annual Meeting of Shareholders of Cylink
Corporation,  a  California  corporation  (the  "Company"),  will be held at the
Sheraton  Four  Points  Hotel,  1100 N. Mathilda Avenue, Sunnyvale, CA 94089, at
3:00 p.m., local time, on May 22, 1998, for the following purposes:

       1. ELECTION  OF  DIRECTORS. To elect three directors for a term ending in
   1999,  three  directors  for a term ending in 2000, and three directors for a
   term ending in 2001.

       2. APPROVAL  AND  RATIFICATION  OF  AMENDMENTS  TO THE CYLINK CORPORATION
   1994  FLEXIBLE  STOCK INCENTIVE PLAN. To ratify and approve amendments to the
   Cylink  Corporation  1994  Flexible  Stock  Incentive  Plan,  as amended (the
   "1994  Plan")  to  (i) increase the number of shares of Common Stock reserved
   for  issuance  thereunder by 2,100,000 shares and (ii) provide that as of the
   first  business  day  of  each  calendar year beginning with January 1, 1999,
   the  maximum  aggregate  number  of  shares  of  Common  Stock  reserved  for
   issuance  under  the  1994  Plan  will be increased, in the discretion of the
   Board  of  Directors,  by  up to 4% of the number of shares outstanding as of
   December 31 of the immediately preceding calendar year.

       3. RATIFICATION  AND APPROVAL OF THE APPOINTMENT OF INDEPENDENT AUDITORS.
   To  ratify  and  approve  the  appointment  of  Price  Waterhouse  LLP as the
   independent  auditors  for  the  Company  for the fiscal year ending December
   31, 1998.

       4. OTHER  BUSINESS.  To transact such other business as may properly come
   before   the   Annual   Meeting   of  Shareholders  and  any  adjournment  or
   postponement thereof.

     The  foregoing  items  of  business  are  more fully described in the Proxy
Statement which is attached hereto and made a part hereof.

     The  Board of Directors has fixed the close of business on April 1, 1998 as
the  record  date  for determining the shareholders entitled to notice of and to
vote  at  the  1998  Annual  Meeting  of  Shareholders  and  any  adjournment or
postponement thereof.

     WHETHER  OR  NOT YOU EXPECT TO ATTEND THE ANNUAL MEETING OF SHAREHOLDERS IN
PERSON,  YOU ARE URGED TO MARK, SIGN, DATE AND RETURN THE ENCLOSED PROXY CARD AS
PROMPTLY  AS  POSSIBLE  IN  THE POSTAGE-PREPAID ENVELOPE PROVIDED TO ENSURE YOUR
REPRESENTATION  AND  THE PRESENCE OF A QUORUM AT THE ANNUAL MEETING. IF YOU SEND
IN  YOUR  PROXY  CARD  AND THEN DECIDE TO ATTEND THE ANNUAL MEETING TO VOTE YOUR
SHARES  IN  PERSON,  YOU  MAY STILL DO SO. YOUR PROXY IS REVOCABLE IN ACCORDANCE
WITH THE PROCEDURES SET FORTH IN THE PROXY STATEMENT.


                                          Order of the Board of Directors,


                                          /s/ Fernand B. Sarrat


                                          Fernand B. Sarrat
                                          President  and Chief Executive Officer
 


Sunnyvale, California
April 23, 1998

<PAGE>

                              Mailed to Shareholders on or about April 23, 1998

                              CYLINK CORPORATION

                               910 Hermosa Court
                          Sunnyvale, California 94086

                                PROXY STATEMENT

General Information

     This   Proxy   Statement   is  furnished  to  the  shareholders  of  Cylink
Corporation,  a  California  corporation (the "Company"), in connection with the
solicitation  by the Board of Directors of the Company (the "Board" or "Board of
Directors")  of  proxies  in the accompanying form for use in voting at the 1998
Annual  Meeting of Shareholders of the Company (the "Annual Meeting") to be held
on  May  22,  1998,  at the Sheraton Four Points Hotel, 1100 N. Mathilda Avenue,
Sunnyvale,  CA  94089,  at  3:00  p.m.,  local  time,  and  any  adjournment  or
postponement  thereof.  The shares represented by the proxies received, properly
marked, dated, executed and not revoked will be voted at the Annual Meeting.


Revocability of Proxies

     Any  proxy given pursuant to this solicitation may be revoked by the person
giving  it  at  any time before it is exercised by delivering to the Company (to
the  attention  of  Robert  B. Fougner, Esq., the Company's Secretary) a written
notice  of  revocation  or  a  duly  executed  proxy bearing a later date, or by
attending the Annual Meeting and voting in person.


Solicitation and Voting Procedures

     The  solicitation of proxies will be conducted by mail and the Company will
bear  all attendant costs. These costs will include the expense of preparing and
mailing  proxy  materials  for  the  Annual  Meeting  and reimbursements paid to
brokerage   firms   and   others  for  their  expenses  incurred  in  forwarding
solicitation  material  regarding the Annual Meeting to beneficial owners of the
Company's   Common   Stock.   The   Company  may  conduct  further  solicitation
personally,  by  telephone  or  by facsimile through its officers, directors and
regular  employees,  none  of  whom  will  receive  additional  compensation for
assisting with such solicitation.

     The  close  of  business on April 1, 1998 has been fixed as the record date
(the  "Record  Date")  for  determining the holders of shares of Common Stock of
the  Company  entitled to notice of and to vote at the Annual Meeting. As of the
close  of  business on the Record Date, the Company had approximately 28,852,942
shares  of Common Stock outstanding and entitled to vote. Each outstanding share
of Common Stock on the Record Date is entitled to one vote on all matters.

     In  the election of directors, the three candidates in each class receiving
the  highest number of affirmative votes will be elected as directors. Proposals
2  and 3 each require for approval (i) the affirmative vote of a majority of the
shares  "represented  and voting" and (ii) the affirmative vote of a majority of
the  required quorum. The required quorum for the transaction of business at the
Annual  meeting  is  a  majority  of  the  shares  of  Common  Stock  issued and
outstanding  on  the  Record  Date  (the "Quorum"). Shares that are voted "FOR",
"AGAINST"  or  "ABSTAIN" in a matter are treated as being present at the meeting
for  purposes  of  establishing  the  Quorum,  but  only  shares  voted "FOR" or
"AGAINST"  are  treated as shares "represented and voting" at the Annual Meeting
(the  "Votes  Cast")  with  respect to such matter. Accordingly, abstentions and
broker  non-votes  will  be  counted for purposes of determining the presence or
absence  of  the Quorum for the transaction of business, but will not be counted
for  purposes  of  determining  the  number  of  Votes  Cast  with  respect to a
proposal.


                                       1

<PAGE>

                                PROPOSAL NO. 1


                             ELECTION OF DIRECTORS

     Upon  the  closing  of  the Company's initial public offering of its Common
Stock  in  February,  1996, the Company's Articles of Incorporation were amended
to  provide that, as soon as legally permissible, the Board of Directors will be
divided  into  three  classes  of  Directors with each class serving a staggered
three-year  term.  Consistent  with  California  law,  nine  Directors are to be
elected  at  the Annual Meeting: three Directors will be elected to a three year
term  expiring in 2001 (class 3 Directors), three Directors will be elected to a
two  year term expiring in 2000 (class 2 Directors), and three Directors will be
elected  to  a  one year term expiring in 1999 (class 1 Directors). The Board of
Directors  has  nominated  the  nine  persons  named below to serve as Directors
until  the  term  of  each  Director  class  has  expired  and  their respective
successors  are  elected.  Each  of  the nominees has consented, if elected as a
Director  of the Company, to serve until his term expires. In the event that any
nominee  of the Company is unable or declines to serve as a Director at the time
of  the  Annual  Meeting, the proxies will be voted for any nominee who shall be
designated  by  the present Board of Directors to fill the vacancy. In the event
that  additional  persons  are  nominated  for  election as Directors, the proxy
holders  intend  to  vote  all proxies received by them in such a manner as will
assure  the  election  of as many of the nominees listed below as possible, and,
in  such  event, the specific nominees to be voted for will be determined by the
proxy  holders.  The Board has no reason to believe that the persons named below
will  be  unable  or  unwilling  to serve as a Director, if elected. Each of the
three  nominees  for  Director in each class who receives the greatest number of
votes will be elected.

     Dr.  Jimmy  Omura,  a Director since 1984, intends to resign from the Board
following  its  next  scheduled  meeting  on  April  28,  1998 and will not seek
re-election.  Mr.  Yossi Tulpan of Algorithmic Research, Ltd. is being nominated
to the seat held by Dr. Omura.

<TABLE>
     Set  forth  below  are the names, ages and certain biographical information
relating to the Director nominees.

<CAPTION>
                                                                                         Director      Term
       Name of Nominee         Class     Age            Position with Company              Since      Expires
- ----------------------------- -------   -----   -------------------------------------   ----------   --------
<S>                             <C>      <C>    <C>                                        <C>         <C>
Leo A. Guthart(2)(3) ........   3        60     Chairman of the Board                      1984        2001
William J. Perry(4) .........   3        70     Director                                   1997        2001
James H. Simons(2)(3) .......   3        59     Director                                   1984        2001
William W. Harris(1)(4) .....   2        58     Director                                   1995        2000
Howard L. Morgan(1)(4) ......   2        52     Director                                   1995        2000
Fernand B. Sarrat(3) ........   2        47     President, Chief Executive Officer,        1996        2000
                                                  Director
Elwyn Berlekamp(1) ..........   1        57     Director                                   1995        1999
King W.W. Harris(2) .........   1        54     Director                                   1995        1999
Yossi Tulpan ................   1        41     General Manager,                             --        1999
                                                  Algorithmic Research, Ltd.
<FN>
- ------------
                                                      
(1) Member of Audit Committee
(2) Member of Compensation Committee
(3) Member of Executive Committee
(4) Member of Nominating Committee
</FN>
</TABLE>


     Dr.  Guthart  has  served  as  a  Director since the Company's inception in
1984.  Since 1990, he has served as the Vice Chairman of Pittway Corporation and
as  the  Chairman  of  the  Ademco  division of Pittway Corporation (a principal
shareholder  of  the  Company).  Dr.  Guthart  received  an A.B. in Physics from
Harvard  College  and  an  M.B.A.  and  D.B.A.  in Finance from Harvard Business
School.  Dr.  Guthart  also  serves  as  a  Director  of Pittway Corporation and
AptarGroup, Inc. and is a Trustee of the Acorn Investment Trust.

     Dr.  William  J.  Perry  became  a Director of the Company in May 1997. Dr.
Perry  was  the  19th  Secretary  of  Defense  for the United States of America,
serving from February 1994 to January 1997. He


                                       2
<PAGE>

also  served  as  the Deputy Secretary of Defense from 1993 until 1994 and Under
Secretary  of  Defense  for  Research  and Engineering from 1977 until 1981. Dr.
Perry  received  both  a B.S. and M.S. from Stanford University and a Ph.D. from
Penn  State,  all  in  mathematics.  He  is  a member of the National Academy of
Engineering  and  a  fellow  of the American Academy of Arts and Sciences. He is
currently  the  Michael  and Barbara Berberian Professor at Stanford University,
with   a   joint   appointment   in   the   Department  of  Engineering-Economic
Systems/Operations  Research  and  the  Institute  for International Studies. He
serves  on  the  boards  of  United  Technologies, Hambrecht & Quist, the Boeing
Company, and Yurie Systems, Inc.

     Dr.  Simons  became  a  Director of the Company in 1984. Since 1982, he has
served  as  the  President  and  Chairman  of Renaissance Technologies Corp. Dr.
Simons  received  a  B.S.  in  Mathematics  from  the Massachusetts Institute of
Technology  and  a  Ph.D.  in  Mathematics  from  the  University of California,
Berkeley.  Dr.  Simons  also  serves  as  a  Director  on  the Board of Franklin
Electronic  Publishers, Inc., Numar Corp., Segue Software and Kentec Information
Systems.

     Dr.  William  W.  Harris became a Director of the Company in December 1995.
Dr.  Harris  has  been  a  private  investor  and  the  Treasurer  of KidsPac, a
political  action  committee  for  more  than the past five years. He received a
B.A.  in  Psychology  from Wesleyan University and a Ph.D. in Urban Studies from
the  Massachusetts Institute of Technology. Dr. Harris also serves as a Director
of  Pittway Corporation (a principal shareholder of the Company) and AptarGroup,
Inc.

     Dr.  Morgan  served  as  a Director from 1985 to 1990 and became a Director
again  in  October  1995.  He  has  served  since  June 1989 as the President of
ArcaGroup,  Inc.  a  consulting  and  investment  management company. Dr. Morgan
received  a  B.S.  in  Physics  from  City  College  of  New  York and a Ph.D in
Operations  Research  from  Cornell  University.  Dr.  Morgan  also  serves as a
Director  of  Franklin  Electronic  Publishers,  Inc., Infonautics, Inc., Kentek
Information  Systems,  Inc.,  MetaCreations  Corporation, Neoware Systems, Inc.,
Quarterdeck Corporation, Segue Software, Inc. and Unitronix Corporation.

     Mr.  Sarrat became the President, Chief Executive Officer and a Director of
the  Company  in  November,  1996.  Prior to joining the Company, Mr. Sarrat was
with  IBM  Corporation  for  over  20 years, most recently as General Manager of
Networked  Computing  Marketing  and  Services, and held such other positions as
General  Manager  of  the Networked Application Services Division, the Assistant
General  Manager  of  Marketing and Business Development, and General Manager of
Marketing  and  Services in the Midwest. Mr. Sarrat received a B.A. in economics
and  psychology  from  Stanford  University  in  1972  and  an  M.B.A.  from the
University of Pennsylvania, Wharton, in marketing in 1974.

     Dr.  Berlekamp co-founded the Company and served as a Director from 1985 to
1990.  He became a Director again in October 1995. Since 1971, Dr. Berlekamp has
been  a Professor of Mathematics at the University of California, Berkeley and a
visiting  professor  of  Electrical  Engineering  and  Computer  Science  at the
Massachusetts  Institute  of Technology. Dr. Berlekamp received a B.S., M.S. and
Ph.D.  in Electrical Engineering from the Massachusetts Institute of Technology.

     Mr.  King W.W. Harris became a Director of the Company in December 1995. He
has  been  President  of  Pittway  Corporation  (a  principal shareholder of the
Company)  since  1984  and  Chief Executive Officer of Pittway Corporation since
1987.  Mr.  Harris  received  a  B.A.  in  Economics from Harvard College and an
M.B.A.  from  Harvard  Business  School. Mr. Harris also serves as a director of
Aptar Group, Inc.

     Mr.  Yossi  Tulpan  is  a  founder and the Managing Director of Algorithmic
Research,  Ltd.  Prior  to founding Algorithmic Research, Ltd., Mr. Tulpan spent
five  years  in the Israeli Air Force as a system programmer. He holds a B.S. in
mathematics  from  Tel  Aviv University and an M.S. in Computer Science from the
Weizmann Institute of Science.

                        THE BOARD RECOMMENDS A VOTE FOR
                   THE ELECTION OF THE NOMINEES NAMED ABOVE


Relationships Among Directors or Executive Officers

     There  are  no family relationships among any of the directors or executive
officers  of  the  Company,  except that Dr. William W. Harris and Mr. King W.W.
Harris are first cousins.


                                       3
<PAGE>

Meetings and Committees of the Board of Directors

     During  the  fiscal  year ended December 31, 1997, the Board met four times
in  person  and  held  two  telephonic meetings. Each Director attended no fewer
than  75%  of all the meetings held by the Board, while he was a member, and all
committees of which he was a member.

     The  Board  has  four  committees,  the  Audit  Committee, the Compensation
Committee, the Executive Committee and the Nominating Committee.

     The  Audit  Committee,  which  held  two  meetings in the fiscal year ended
December  31,  1997,  consisted  of Drs. Harris, Morgan and Berlekamp. The Audit
Committee  reviews  and  supervises  the Company's financial controls, including
selection  of  the  Company's auditors, meeting with the officers of the Company
regarding  the  Company's  financial  controls,  acting  upon recommendations of
auditors  and  taking such further action as the Audit Committee deems necessary
to  complete an audit of the books and accounts of the Company, as well as other
matters which may come before it or as directed by the Board.

     The  Compensation  Committee,  which  held  two meetings in the fiscal year
ended  December 31, 1997, consists of Drs. Simons and Guthart, and Mr. King W.W.
Harris.  The  Compensation  Committee  reviews and approves the compensation and
benefits  for  the  Company's chief executive officer, supervises administration
of  the  Company's  1994 Plan and performs such other duties as may from time to
time be determined by the Board.

     The  Nominating Committee, which held one meeting in 1997, consists of Drs.
Harris,   Morgan   and  Perry.  The  Nominating  Committee  is  responsible  for
soliciting   recommendations   for   candidates  for  the  Board  of  Directors,
developing  and  reviewing  background  information  for  candidates  and making
recommendations  to  the  Board  with  respect  to  candidates.  Any shareholder
wishing  to  propose  a nominee should submit a recommendation in writing to the
Company's   Secretary,   Robert  B.  Fougner,  Esq.,  indicating  the  nominee's
qualifications and other relevant biographical information.


Compensation of Directors

     Upon  becoming  a  member of the Board, directors who are not affiliates of
the Company ("Non-Employee  Directors") receive options to purchase 2,000 shares
of  Common  Stock,  and  thereafter  receive an annual option grant (the "Annual
Option   Grants")  to  purchase  2,000  shares  of  Common  Stock.  However,  in
consideration  of  a  grant of options to purchase 8,000 shares of Common Stock,
each Non-Employee  Director  in office on December 13, 1995, agreed to forgo any
Annual  Option  Grants  until after the annual shareholders' meeting in the year
2000.  Non-Employee  Directors  who  are  elected  between  annual meetings will
receive  a ratable Annual Option Grant. Non-Employee Directors are also eligible
to  receive discretionary awards under the 1994 Plan. The Company's Non-Employee
Directors  receive  a  $1,000 fee for each Board meeting attended and $1,000 for
each  committee  meeting  attended  that is not held in conjunction with a Board
meeting.  All  Non-Employee  Directors  are  reimbursed for expenses incurred in
connection  with  attending  meetings  of  the  Board. Employee directors of the
Company do not receive compensation for their services as directors.


                             SECURITY OWNERSHIP OF
                   CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

<TABLE>
     The  following  table  sets  forth  certain information with respect to the
beneficial  ownership of the Company's Common Stock as of February 28, 1998, for
(i)  each person who is known by the Company to beneficially own more than 5% of
the  Company's  Common Stock, (ii) each of the Company's directors and nominees,
(iii)  each  of  the officers appearing in the Summary Compensation Table below,
and (iv) all directors and executive officers as a group.


                                       4
<PAGE>


<CAPTION>
                                                                              Shares Beneficially
                                                                                    Owned(1)
                     Directors, Nominees For Director,                     --------------------------
                  Executive Officers and 5% Shareholders                      Number       Percent(2)
- -------------------------------------------------------------------------- ------------   -----------
<S>                                                                        <C>            <C>
Leo A. Guthart(3) ........................................................   8,940,650        31.0%
King W.W. Harris(4) ......................................................   8,610,650        29.8%
William W. Harris(5) .....................................................   8,610,650        29.8%
Pittway Corporation(6) ...................................................   8,606,085        29.8%
Kopp Investment Advisors, Inc.(7) ........................................   4,471,570        15.5%
James H. Simons(8) .......................................................   1,753,170         6.1%
Bermuda Trust Company, as Trustee of the Lord Jim Trust(9) ...............   1,748,605         6.1%
Yossi Tulpan .............................................................     745,969         2.6%
Jimmy K. Omura(10) .......................................................     745,863         2.6%
Fernand B. Sarrat(11) ....................................................     283,333         1.0%
Elwyn Berlekamp(12) ......................................................     282,429         1.0%
Peter J. Slocum(13) ......................................................      62,500           *
Howard L. Morgan(14) .....................................................      56,565           *
John H. Daws(15) .........................................................      53,750           *
John V. Kalb(16) .........................................................      53,333           *
Thomas L. Butler(17) .....................................................      40,000           *
William J. Perry(18) .....................................................      11,456           *
All executive officers and Directors as a group (16 persons)(19) .........  12,457,316        43.2%
<FN>
- ------------

 *   Less than 1%.

 (1) Beneficial  ownership is  determined  in  accordance  with the rules of the
     Securities  and  Exchange  Commission.  In  computing  the number of shares
     beneficially owned by a person and the percentage ownership of that person,
     shares of Common  Stock  subject to options  held by that  person  that are
     currently  exercisable or  exercisable  within 60 days of February 28, 1998
     are deemed outstanding.  To the Company's knowledge, except as set forth in
     the  footnotes to this table and subject to applicable  community  property
     laws,  each person named in the table has sole voting and investment  power
     with respect to the shares set forth opposite such person's name.

 (2) Percentage  beneficially owned is based on 28,852,942 shares outstanding as
     of February 28, 1998.

 (3) Includes  8,606,085 shares  beneficially owned by Pittway  Corporation,  of
     which Dr. Guthart is a Vice  Chairman.  Dr.  Guthart  disclaims  beneficial
     ownership of such shares.  Also includes  34,565 shares  subject to options
     exercisable within 60 days of February 28, 1998.

 (4) Includes  8,606,085 shares  beneficially owned by Pittway  Corporation,  of
     which Mr. Harris is the President and Chief Executive  Officer.  Mr. Harris
     disclaims  beneficial  ownership of such shares. Also includes 4,565 shares
     subject to options exercisable within 60 days of February 28, 1998.

 (5) Includes  8,606,085 shares  beneficially owned by Pittway  Corporation,  of
     which Dr. Harris is a Director.  Dr. Harris disclaims  beneficial ownership
     of such shares.  Also includes 4,565 shares subject to options  exercisable
     within 60 days of February 28, 1998.

 (6) The address of Pittway  Corporation  is 200 South  Wacker  Drive,  Suite E,
     Chicago, IL 60606-5802.

 (7) Based on a Schedule 13GA filed February 9, 1998, Kopp Investment  Advisors,
     Inc.  has sole  dispositive  power with  respect  to 400,000  shares of the
     Company's Common Stock,  shared dispositive power with respect to 4,071,570
     shares of the Company's Common Stock, and sole voting power with respect to
     400,000  shares  of  the  Company's  Common  Stock.  The  address  of  Kopp
     Investment  Advisors,  Inc. is 6600 France Avenue So., Suite 672, Edina, MN
     55435.

 (8) Includes (a) 1,748,605 shares owned by Bermuda Trust Company, as Trustee of
     the Lord Jim  Trust (a trust of which Dr.  Simons  and the  members  of his
     family  are the  beneficiaries),  and (b) 4,565  shares  subject to options
     exercisable within 60 days of February 28, 1998.

                                         (Footnotes continued on following page)
    

                                       5
<PAGE>

(Footnotes continued from previous page)

 (9) Bermuda Trust Company,  as Trustee of the Lord Jim Trust,  holds  1,748,605
     shares  of the  Company's  Common  Stock in a trust of which  Dr.  James H.
     Simons, a Director of the Company,  and members of his immediate family are
     the  beneficiaries.  The address of Bermuda Trust Company is Murdoch & Co.,
     c/o Bermuda Trust Company Limited,  Attn.: Susan Gibbons,  Compass Point, 9
     Bermudiana Road, Hamilton, HM11, Bermuda.

(10) Includes  68,670 shares  subject to options  exercisable  within 60 days of
     February 28, 1998.

(11) Includes  283,333 shares subject to options  exercisable  within 60 days of
     February 28, 1998.

(12) Includes  4,565  shares  subject to options  exercisable  within 60 days of
     February 28, 1998.

(13) Includes  62,500 shares  subject to options  exercisable  within 60 days of
     February 28, 1998

(14) Includes  4,565  shares  subject to options  exercisable  within 60 days of
     February 28, 1998.

(15) Includes  53,750 shares  subject to options  exercisable  within 60 days of
     February 28, 1998

(16) Includes  53,333 shares  subject to options  exercisable  within 60 days of
     February 28, 1998.

(17) Includes  40,000 shares  subject to options  exercisable  within 60 days of
     February 28, 1998.

(18) Includes  11,456 shares  subject to options  exercisable  within 60 days of
     February 28, 1998.

(19) Includes  10,354,085 shares indirectly held by Directors of the Company and
     766,174  shares subject to options  exercisable  within 60 days of February
     28, 1998. Drs. Guthart, Harris and Mr. Harris disclaim beneficial ownership
     of the shares owned by Pittway Corporation.
</FN>
</TABLE>


                                PROPOSAL NO. 2
       APPROVAL AND RATIFICATION OF AMENDMENTS TO THE CYLINK CORPORATION
                1994 FLEXIBLE STOCK INCENTIVE PLAN, AS AMENDED

General

     The  Company's  shareholders  are  being asked to approve amendments to the
Company's  1994 Plan. The proposed amendments to the 1994 Plan will (i) increase
the  number  of  shares  of  Common  Stock  reserved  for issuance thereunder by
2,100,000  shares,  and  (ii)  provide that as of the first business day of each
calendar  year  beginning  with January 1, 1999, the maximum aggregate number of
shares  of  Common Stock reserved for issuance under the Plan will be increased,
in  the discretion of the Board, by up to 4% of the number of shares outstanding
as of December 31 of the immediately preceding calendar year.

     The  amendments  to  the 1994 Plan increasing the number of shares reserved
for  issuance  thereunder  will  enable the Company to grant awards as needed to
attract  and  retain  employees. The 1994 Plan is intended to enable the Company
to  enhance  its  ability  to  provide  key employees with meaningful awards and
incentives  commensurate  with  their  contributions  and competitive with those
offered  by  other  employers,  and  to  increase  shareholder  value by further
aligning  the  interests  of  key  employees with the interests of the Company's
shareholders.  The  Board  of  Directors  believes  that the Company's long term
success  is  dependent  upon  the  ability  of the Company to attract and retain
superior  individuals  who,  by virtue of their ability and qualifications, make
important contributions to the Company.

             THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR APPROVAL
                      OF THE AMENDMENTS TO THE 1994 PLAN

     The  following summary of the 1994 Plan, including the proposed amendments,
is  subject in its entirety to the specific language of the 1994 Plan, a copy of
which is available to any shareholder upon request.

General Description

     The  1994  Plan  was approved by the Board of Directors and shareholders in
February  1994.  In  January  1995,  the Board of Directors and the shareholders
approved  an  amendment  to  the  1994  Plan  to  increase  the number of shares
available  for  grant  thereunder from 1,250,000 to 2,750,000. In November 1996,
the  Board  of  Directors and the shareholders approved an amendment to the 1994
Plan  to  increase  the  number  of shares available for grant from 2,750,000 to
3,950,000. In May 1997 the shareholders


                                       6
<PAGE>

approved  an  amendment  to  the  1994  Plan  to  increase  the number of shares
available  for  grant from 3,950,000 to 5,950,000. In January 1998, the Board of
Directors  approved  an  amendment  to  the  1994  Plan,  subject to shareholder
approval,  to  increase  the number of shares available for grant from 5,950,000
to 8,050,000.

     The  1994  Plan  permits  the grant of "incentive stock options" within the
meaning  of  Section  422  of the Internal Revenue Code of 1986, as amended (the
"Code")   only  to  employees  of  the  Company  or  any  parent  or  subsidiary
corporation  of  the  Company.  Awards other than incentive stock options may be
granted  to  employees,  directors  and  consultants.  As  of April 1, 1998, the
number  of employees, directors and consultants eligible to receive grants under
the 1994 Plan was approximately 346 persons.

     The  1994  Plan  provides  for  the  grant of (i) shares, (ii) an option, a
stock  appreciation  right  ("SARs")  or  similar  right  with  an  exercise  or
conversion  privilege  at  a fixed or variable price related to the Common Stock
and/or  the  passage  of  time,  the  occurrence  of  one or more events, or the
satisfaction  of  performance  criteria  or other conditions, or (iii) any other
security  with  the  value  derived  from  the  value of the Common Stock of the
Company  or  other  securities  issued  by  a  related entity (collectively, the
"Awards").  Such  Awards  include,  without  limitation, options, SARs, sales or
bonuses  of  restricted  stock, dividend equivalent rights ("DERs"), performance
units  ("Performance Units") or performance shares ("Performance Shares"). Under
the  proposed  amendments  to  the  1994  Plan,  the maximum aggregate number of
shares available for grant as stock bonuses will be 200,000 shares.

     Amendment  to  Increase  Overall  Limit. Under the 1994 Plan, the number of
shares  available  for  grant on December 31, 1997, was zero. In anticipation of
shareholder  approval  of  this Proposal No. 2 to increase the maximum number of
shares  available  for grant from 5,950,000 to 8,050,000, options to purchase an
additional   318,653   shares  have  been  set  aside  for  grants  to  existing
non-officer  employees  of the Company. If Proposal No. 2 is not approved by the
shareholders, these additional options will not be granted.

     Amendment  to  Authorize  Annual  Increase. The  proposed amendments to the
1994  Plan  provide  that  as  of  the  first business day of each calendar year
beginning  with  January  1,  1999,  the  maximum  aggregate number of shares of
Common  Stock  reserved  for  issuance under the 1994 Plan will be increased, in
the  discretion  of  the  Board, by an amount which is no greater than 4% of the
number  of  shares  outstanding  as  of December 31 of the immediately preceding
calendar  year.  The  Board  of Directors recommends this provision to provide a
means  by  which  the  Compensation Committee can plan on an annual basis for an
allocation  of  awards sufficient to meet the Company's anticipated requirements
for  attracting  and  retaining  employees.  The  amount  of the proposed annual
increase  was  based  on  surveys  by compensation consultants, Watson Wyatt and
Radford  Associates,  on the compensation practices of other organizations which
compete  with  the  Company  for  the hiring and retention of its employees. The
Compensation  Committee  also  has imposed a limitation of 200,000 shares on the
aggregate amount of stock bonuses which may be granted under the 1994 Plan.

     Discretionary   Grants   to   Non-Employee   Directors. The  1994  Plan  is
administered,  with  respect  to grants to directors, officers, consultants, and
other  employees,  by the Administrator of the 1994 Plan, which comprises one or
more  members of the Compensation Committee of the Board, and its designees. The
Committee  is  constituted  in  such  a  manner  as  to satisfy applicable laws,
including  Rule  16b-3.  Consistent  with the amendments to Rule 16b-3, the 1994
Plan allows for discretionary grants to Non-Employee Directors.

     Individual  Limit. The  maximum  number  of  shares  with  respect to which
options  and  SARs  may be granted to an employee of the Company during the term
of the 1994 Plan, as amended, is 1,000,000 shares per individual.

     The  Board  may  at  any time amend, suspend or terminate the 1994 Plan. To
the  extent necessary to comply with applicable provisions of federal securities
laws,  state  corporate  and  securities  laws,  the  Code,  the  rules  of  any
applicable  stock  exchange  or  national  market  system,  and the rules of any
foreign  jurisdiction  applicable  to  Awards  granted to residents therein, the
Company  will  obtain  shareholder approval of any amendment to the 1994 Plan in
such a manner and to such a degree as required. Under


                                       7
<PAGE>

the  1994  Plan,  the  Board  must obtain shareholder approval to (i) materially
increase  the  benefits  accruing  to  participants  under  the  1994 Plan; (ii)
materially  increase  the  number  of  shares  available under the 1994 Plan; or
(iii)  materially  modify  the eligibility requirements for participation in the
1994  Plan  or  the class of employees eligible to receive Awards under the 1994
Plan.  The  Compensation  Committee  of the Board or the Administrator alone can
affect other changes to the 1994 Plan without shareholder approval.

     Other  Terms. Stock  options  granted  under  the  1994  Plan may be either
incentive  stock  options  under  the  provisions of Section 422 of the Code, or
non-qualified  stock  options.  Incentive  stock  options may be granted only to
employees  of  the  Company  or  any  parent  or  subsidiary  corporation of the
Company.  Awards other than incentive stock options may be granted to employees,
directors  and  consultants.  Under the 1994 Plan, Awards may be granted to such
employees,  directors  or  consultants who are residing in foreign jurisdictions
as the Administrator may determine from time to time.

     The  1994  Plan  authorizes  the  Administrator  to  select  the employees,
directors  and  consultants  of the Company to whom Awards may be granted and to
determine  the  terms  and  conditions  of  any  Award;  however  the term of an
incentive  stock  option  may  not  be for more than 10 years (or 5 years in the
case  of  incentive  stock  options  granted  to  any  grantee  who  owns  stock
representing  more  than  10% of the combined voting power of the Company or any
parent  or  subsidiary corporation of the Company). The 1994 Plan authorizes the
Administrator   to   grant  Awards  at  an  exercise  price  determined  by  the
Administrator.  In  the  case  of  incentive stock options, such price cannot be
less  than  100% (or 110%, in the case of incentive stock options granted to any
grantee  who  owns stock representing more than 10% of the combined voting power
of  the  Company  or any parent or subsidiary corporation of the Company) of the
fair  market  value  of  the Common Stock on the date the option is granted. The
exercise  price  is generally payable in cash or, in certain circumstances, with
a  promissory note, with such documentation as the Administrator and the broker,
if  applicable,  shall require to effect an exercise of an Award and delivery to
the  Company of the sale or loan proceeds required to pay the exercise price, or
with  shares  of  Common  Stock.  The  aggregate fair market value of the Common
Stock  with  respect to any incentive stock options that are exercisable for the
first  time  by  an  eligible  employee  in  any  calendar  year  may not exceed
$100,000.

     The  Awards may be granted subject to vesting schedules and restrictions on
transfer  and  repurchase  or  forfeiture  rights  in  favor  of  the Company as
specified  in the agreements to be issued under the 1994 Plan. The Administrator
has  the  authority  to  accelerate  the vesting schedule of Awards so that they
become  fully  vested,  exercisable,  and  released  from  any  restrictions  on
transfer  and  repurchase  or  forfeiture  rights  in  the  event of a Corporate
Transaction,  a  Change  in Control or a Subsidiary Disposition, each as defined
in  the 1994 Plan. Effective upon the consummation of the Corporate Transaction,
all  outstanding  Awards  under  the  Plan  will terminate unless assumed by the
successor  company  or  its  parent.  In  the  event of a Change in Control or a
Subsidiary   Disposition,   each   Award  shall  remain  exercisable  until  the
expiration  or  sooner  termination  of the Award term. Such accelerated vesting
and  release  from  restrictions on transfer and repurchase or forfeiture rights
is  automatic and not subject to Administrator discretion in the case of options
and  restricted  stock  issued to Non-Employee Directors under the formula award
provisions  of  the  1994  Plan. The 1994 Plan also permits the Administrator to
include  a  provision  whereby  the  grantee  may  elect  at  any  time while an
employee,  director or consultant to exercise any part or all of the Award prior
to full vesting of the Award.

     Under  the  1994  Plan,  incentive  stock options may not be sold, pledged,
assigned,  hypothecated,  transferred or disposed of in any manner other than by
will  or  by the laws of descent or distribution and may be exercised during the
lifetime  of the grantee only by the grantee. However, the 1994 Plan permits the
designation  of  beneficiaries  by  holders  of  incentive  stock options. Other
Awards shall be transferable to the extent provided in the Award agreement.

     Under  the  1994 Plan, the Administrator may establish one or more programs
under  the  1994  Plan  to  permit selected grantees the opportunity to elect to
defer  receipt  of  consideration payable under an Award. The Administrator also
may  establish under the 1994 Plan separate programs for the grant of particular
forms of Awards to one or more classes of grantees.


                                       8
<PAGE>

Certain Federal Tax Consequences

     The  following summarizes only the federal income tax consequences of stock
options  and  shares  of restricted stock granted under the 1994 Plan. State and
local tax consequences may differ.

     The  grant  of  a  non-qualified  stock option under the 1994 Plan will not
result  in  any  federal  income  tax  consequences  to  the  optionee or to the
Company.  Upon exercise of a non-qualified stock option, the optionee is subject
to  income  taxes  at the rate applicable to ordinary compensation income on the
difference  between  the  option exercise price and the fair market value of the
shares  on  the  date  of  exercise.  This  income is subject to withholding for
federal  income  and  employment  tax  purposes.  The  Company is entitled to an
income  tax  deduction  in  the amount of the income recognized by the optionee.
Any  gain  or  loss  on  the  optionee's subsequent disposition of the shares of
Common  Stock  will  receive  long or short-term capital gain or loss treatment,
depending  on  whether  the  shares  are  held  for more than one year following
exercise.  The  Company  does  not  receive  a  tax deduction for any such gain.
Capital  gains  currently are taxed at the same rates as ordinary income, except
that  the maximum marginal rate at which ordinary income is taxed to individuals
is  currently  39.6%  and  the maximum rate at which long-term capital gains are
taxed  is 28%. The maximum rate at which long-term capital gains are taxed falls
to 20% for most types of property held for more than eighteen months.

     The grant of an incentive  stock option under the 1994 Plan will not result
in any federal  income tax  consequences  to the optionee or to the Company.  An
optionee recognizes no federal taxable income upon exercising an incentive stock
option ("ISO") (subject to the alternative  minimum tax rules discussed  below),
and the Company receives no deduction at the time of exercise. In the event of a
disposition  of stock  acquired  upon  exercise of an ISO, the tax  consequences
depend upon how long the  optionee has held the shares of Common  Stock.  If the
optionee  does not  dispose  of the shares  within  two years  after the ISO was
granted,  nor  within  one year  after the ISO was  exercised  and  shares  were
purchased,  the optionee will recognize a long-term capital gain (or loss) equal
to the difference  between the sale price of the shares and the exercise  price.
The Company is not entitled to any deduction under these circumstances.

     If the optionee fails to satisfy either of the foregoing  holding  periods,
he or she  must  recognize  ordinary  income  in  the  year  of the  disposition
(referred  to as a  "disqualifying  disposition").  The amount of such  ordinary
income generally is the lesser of (i) the difference between the amount realized
on the disposition  and the exercise  price, or (ii) the difference  between the
fair market value of the stock on the exercise date and the exercise price.  Any
gain in excess of the amount taxed as ordinary  income will be treated as a long
or  short-term  capital  gain,  depending on whether the stock was held for more
than one year. The Company,  in the year of the  disqualifying  disposition,  is
entitled to a deduction equal to the amount of ordinary income recognized by the
optionee.

     The "spread"  under an ISO--i.e.,  the  difference  between the fair market
value of the shares at exercise and the exercise price--is classified as an item
of  adjustment in the year of exercise for purposes of the  alternative  minimum
tax.

     The  grant  of  restricted  stock  will  subject  the recipient to ordinary
compensation  income  on  the  difference between the amount paid for such stock
and  the  fair  market  value  of  the  shares on the date that the restrictions
lapse.  This  income is subject to withholding for federal income and employment
tax  purposes.  The Company is entitled to an income tax deduction in the amount
of  the  income recognized by the recipient. Any gain or loss on the recipient's
subsequent  disposition  of  the  shares will receive long or short-term capital
gain  or  loss  treatment depending on whether the shares are held for more than
one  year  and  depending  on  how  long  the  stock  has  been  held  since the
restrictions  lapsed.  The Company does not receive a tax deduction for any such
gain.  Recipients  of  restricted  stock  may  make  an  election under Internal
Revenue  Code  Section 83(b) ("Section 83(b) Election") to recognize as ordinary
compensation  income  in  the  year  that  such  restricted stock is granted the
amount  equal  to the spread between the amount paid for such stock and the fair
market  value on date of the issuance of the stock. If such an election is made,
the  recipient  recognizes  no  further  amounts of compensation income upon the
lapse  of  any  restrictions and any gain or loss on subsequent disposition will
be  long  or  short-term  capital  gain. The Section 83(b) Election must be made
within  thirty  days  from  the  time  the  restricted  stock  is  issued to the
recipient.


                                       9
<PAGE>

Amended Plan Benefits

     In anticipation of shareholder  approval of this Proposal No. 2 to increase
the maximum  number of shares  available for grant from  5,950,000 to 8,050,000,
options to purchase an additional  318,653 shares have been set aside for grants
to the group  composed of employees that are not executive  officers.  Except as
stated above, no other Director, Named Executive Officer, officer or employee of
the Company has been granted or otherwise  set aside options under the 1994 Plan
subject to shareholder approval of the amendments to the 1994 Plan. The benefits
to be received  pursuant to the 1994 Plan by the Company's  Directors,  officers
and  employees  are not  determinable  at this time.  If  Proposal  No. 2 is not
approved by the shareholders, these additional options will not be granted.


                                PROPOSAL NO. 3
              RATIFICATION OF APPOINTMENT OF INDEPENDENT AUDITORS

     Price  Waterhouse  LLP  has  served  as  the Company's independent auditors
since  1994  and  has  been  appointed by the Board to continue as the Company's
independent  auditors for the Company's fiscal year ending December 31, 1998. In
the  event  that ratification of this selection of auditors is not approved by a
majority  of  the  shares of Common Stock voting at the Annual Meeting in person
or  by  proxy,  management  will  review  its  future  selection  of auditors. A
representative  of  Price Waterhouse LLP is expected to be present at the Annual
Meeting.  The representative will have an opportunity to make a statement and to
respond to appropriate questions.

         THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR RATIFICATION OF
           THE APPOINTMENT OF PRICE WATERHOUSE LLP AS THE COMPANY'S
                   INDEPENDENT AUDITORS FOR THE FISCAL YEAR
                           ENDING DECEMBER 31, 1998.


                 EXECUTIVE COMPENSATION AND OTHER INFORMATION
                          Summary Compensation Table
<TABLE>
     The  following table sets forth certain information concerning compensation
of  (i)  the  Company's  Chief  Executive  Officer, and (ii) the four other most
highly  compensated  executive officers of the Company (collectively, the "Named
Executive Officers"):

<CAPTION>
                                                                           Long -Term
                                          Annual Compensation             Compensation
                                  ------------------------------------   -------------
                                                                           Securities
                                                                           Underlying        All Other
   Name and Principal Position     Year     Salary($)     Bonus($)(1)      Options(#)     Compensation($)
- --------------------------------- ------   -----------   -------------   -------------   ----------------
<S>                               <C>       <C>             <C>            <C>              <C>
Fernand B. Sarrat,(2) ........... 1997      $300,000        $100,000              --        $  7,308(3)
 President, Chief Executive       1996        32,308             500       1,000,000
 Officer and Director

Thomas L. Butler(4), ............ 1997       146,154         155,000         200,000              --
 Senior Vice President, Sales and
 Marketing

John H. Daws,(5) ................ 1997       155,001          70,000          75,000              --
 Vice President and Chief         1996       143,462          25,500          25,000
 Financial Officer                1995        39,500             --           50,000

Peter J. Slocum(6), ............. 1997       163,154          82,231         250,000              --
 Vice President,
 Engineering

John V. Kalb(7), ................ 1997       159,479          70,000              --              --
 Vice President,
 Business Development
<FN>
                                         (Footnotes continued on following page)

                                       10
<PAGE>

(Footnotes continued from previous page)
- ------------

(1)  Includes  bonus  amounts  earned in fiscal year  indicated  and paid in the
     subsequent fiscal year.

(2)  Mr. Sarrat  commenced  employment with the Company on November 6, 1996. His
     annualized salary for 1996 was $300,000.

(3)  Constitutes payment of premiums for life insurance.

(4)  Mr. Butler  commenced  employment  with the Company on March 31, 1997.  His
     annualized salary for 1997 was $200,001.

(5)  Mr. Daws  commenced  employment  with the Company on September 5, 1995. His
     annualized salary for 1995 was $130,000.

(6)  Mr. Slocum  commenced  employment with the Company on February 1, 1997. His
     annualized salary for 1997 was $185,001.

(7)  Mr. Kalb  commenced  employment  with the  Company on January 6, 1997.  His
     annualized salary for 1997 was $170,000.
</FN>
</TABLE>


Employment Agreements

     The   Company  has  entered  into  an  employment  agreement  (the  "Sarrat
Agreement")  dated  November  6,  1996  with  Fernand  B.  Sarrat, the Company's
President  and Chief Executive Officer. Under the terms of the Sarrat Agreement,
Mr.  Sarrat  is  employed  for an annual salary of $300,000 and a minimum annual
performance  bonus  of  $100,000. Pursuant to the terms of the Sarrat Agreement,
the  Company  has  made  a  loan  to  Mr.  Sarrat in the amount of approximately
$2,000,000   (the   "Loan")  to  purchase  a  primary  residence  in  California
commensurate  with  his  prior residence in Westport, Connecticut. The Loan will
be  interest  free  for  the  period  of his employment and secured by a deed of
trust  on  Mr.  Sarrat's  principal  residence.  Under the Sarrat Agreement, Mr.
Sarrat  received  a  grant of options covering 1,000,000 shares of the Company's
Common  Stock  which  options  vest over a period of five years from the date of
his  employment.  Under the Sarrat Agreement, Mr. Sarrat was entitled to payment
on  December  31, 2000, of a special bonus in the amount of $2,000,000, which he
agreed  to  defer  in  accordance  with  a  schedule  based on the amount of the
Company's  annual  earnings in return for the Company's agreement to renegotiate
the terms of the Loan, which agreement is still pending.


                       Option Grants in Last Fiscal Year
<TABLE>
     The  following  table  provides  certain  information with respect to stock
options  granted  to  the  Named Executive Officers during the fiscal year ended
December  31,  1997.  In  addition,  as  required by the Securities and Exchange
Commission  rules,  the table sets forth the potential realizable value over the
term  of  the  option (the period from the date of grant to the expiration date)
based  on  assumed  rates  of  stock  appreciation  of  5%  and  10%, compounded
annually.  These  amounts are based on certain assumed rates of appreciation and
do  not represent the Company's estimate of future stock value. Actual gains, if
any,  on  stock  option exercises will be dependent on the future performance of
the Common Stock.

<CAPTION>
                                                Individual Grants (1)
                            --------------------------------------------------------------
                                                                                                 Potential Realizable
                              Number of         % of Total                                         Value at Assumed
                              Securities         Options          Exercise                       Annual Rate of Stock
                              Underlying        Granted to         Price                        Price Appreciation for
                               Options         Employees in      Per Share     Expiration           Option Term(5)
            Name             Granted (#)     Fiscal Year (2)     ($/Sh)(3)      Date (4)         5% ($)         10% ($)
- --------------------------- -------------   -----------------   -----------   ------------   -------------   -------------
<S>                            <C>                 <C>            <C>           <C>          <C>             <C>
Fernand B. Sarrat .........         --               --                --             --             --              --
Thomas L. Butler ..........    200,000              8.4%           $  8.25      03/31/07     $1,038,000      $2,630,000
John H. Daws ..............     75,000              3.1%            11.625      02/07/07        549,000       1,389,750
Peter J. Slocum ...........    250,000             10.5%            11.875      01/10/07      1,866,250       4,731,250
John V. Kalb ..............         --               --                --             --             --              --
<FN>
                                         (Footnotes continued on following page)

                                       11
<PAGE>

(Footnotes continued from previous page)
- ------------

(1)  The option grants provide for monthly vesting over five years.  The options
     may not be exercised unless, and until, the Named Executive Officer remains
     in  the  Company's   employment  for  one  year.  The  vested  options  are
     exercisable up to ten years from the date of grant.

(2)  Based on a total of options  granted to  employees  of the Company in 1997,
     including the Named Executive Officers.

(3)  All  options  were  granted at an  exercise  price equal to the fair market
     value based on the closing market value of a share of the Company's  Common
     Stock on the Nasdaq National Market on the date the options were granted.

(4)  The options granted to individuals  owning less than 10% of the outstanding
     shares of the  Company's  Common Stock have a term of ten years  subject to
     earlier  termination  upon the  occurrence  of  certain  events  related to
     termination of  employment.  Options  granted to individuals  owning 10% or
     more of the shares of the Company's outstanding Common Stock have a term of
     five years.

(5)  The  potential  realizable  value  is  calculated  based on the term of the
     option at its time of grant (ten years).  It is calculated by assuming that
     the stock price on the date of grant  appreciates  at the indicated  annual
     rate,  compounded  annually for the entire term of the option, and that the
     option  is  exercised  and  sold  on  the  last  day of its  term  for  the
     appreciated  stock  price.  There  can be no  assurance  that  the  amounts
     reflected in this table will be achieved.
</FN>
</TABLE>


                Aggregated Option Exercises in Last Fiscal Year
                       and Fiscal Year-End Option Values
<TABLE>
     The  following  table  sets forth certain information with respect to stock
options  exercised  by  the  Named  Executive  Officers during fiscal year 1997,
including  the  aggregate  value  of gains on the date of exercise. In addition,
the  table  sets  forth  the  number  of  shares  covered by stock options as of
December  31,  1997,  and  the  value  of  "in-the-money"  stock  options, which
represent  the  positive spread between the exercise price of a stock option and
the market price of the shares subject to such option on December 31, 1997.

<CAPTION>
                                                                 Number of Securities    
                                                                Underlying Unexercised         Value of Unexercised
                                                             Options at December 31, 1996      In-the-Money Options
                                                                          (#)              at December 31, 1996 ($)(2)
                                                             ----------------------------- ----------------------------
                                Shares
                              Acquired on        Value
            Name             Exercise (#)   Realized ($)(1)   Exercisable   Unexercisable   Exercisable   Unexercisable
- --------------------------- -------------- ----------------- ------------- --------------- ------------- --------------
<S>                              <C>              <C>           <C>           <C>             <C>           <C>
Fernand B. Sarrat .........      --               --            216,667       783,333         $      0      $      0
Thomas L. Butler ..........      --               --                  0       200,000                0       300,000
John H. Daws ..............      --               --             44,167       105,833          174,375       213,125
Peter J. Slocum ...........      --               --                  0       250,000                0             0
John V. Kalb ..............      --               --             40,000       160,000                0             0
<FN>
- ------------

(1)  Calculated by determining  the difference  between the fair market value of
     the  securities  underlying  the  option  on the date of  exercise  and the
     exercise price of the Named Executive Officers' respective options.

(2)  Calculated by determining  the difference  between the fair market value of
     the securities underlying the option at December 31, 1997 ($9.75 per share)
     and the exercise price of the Named Executive Officers' respective options.
</FN>
</TABLE>


                     REPORT OF THE COMPENSATION COMMITTEE
                           OF THE BOARD OF DIRECTORS

     This  section  is not "soliciting material," is not deemed "filed" with the
Securities  and  Exchange Commission and is not incorporated by reference in any
filing  of  the  Company  under  the  Securities Act of 1933, as amended, or the
Securities  and  Exchange  Act of 1934, as amended, whether made before or after
the date hereof and irrespective of any general language to the contrary.


                                       12
<PAGE>

     The  Compensation  Committee  of  the Board was formed in December 1995 and
consists  of  Drs.  Simons  and  Guthart,  and  Mr.  King W.W. Harris. Decisions
concerning  the  compensation  of the Company's Chief Executive Officer are made
by  the  Compensation  Committee and are reviewed periodically by the full Board
(excluding  any  interested  director). Decisions concerning the compensation of
the  Company's  remaining  executive  officers  are  made by the Chief Executive
Officer  in  consultation  with  members of the Compensation Committee. Policies
concerning  the terms and administration of the 1994 Plan are also determined by
the Compensation Committee.

Executive Officer Compensation Programs

     The  objectives  of  the  executive  officer  compensation  programs are to
attract,  retain,  motivate  and  reward key personnel who possess the necessary
leadership  and  management skills, through competitive base salary, annual cash
bonus  incentives,  long-term  incentive  compensation  in  the  form  of  stock
options, and various benefits, including medical and life insurance plans.

     The  executive  compensation  policies  of  the  Compensation Committee are
intended  to  combine  competitive  levels of compensation and rewards for above
average  performance and to align relative compensation with the achievements of
key  business objectives, optimal satisfaction of customers, and maximization of
shareholder  value.  The Compensation Committee believes that stock ownership by
management  is  beneficial  in  aligning  management  and shareholder interests,
thereby enhancing shareholder value.

     Base   Salaries. Salaries   for   the   Company's  executive  officers  are
determined  primarily  on  the  basis of the executive officer's responsibility,
general  salary  practices  of  peer  companies  and  the  officer's  individual
qualifications   and   experience.  Among  other  sources  of  information,  the
Compensation  Committee  and  the  Chief  Executive Officer rely on reports from
Radford   Associates   concerning  competitive  compensation  practices  in  the
Company's  geographical  region. The base salaries are reviewed annually and may
be  adjusted  in  accordance  with  certain  criteria  which  include individual
performance,  the functions performed by the executive officer, the scope of the
executive  officer's  on-going  duties, general changes in the compensation peer
group  in  which  the  Company  competes for executive talent, and the Company's
financial  performance  generally.  The  weight  given each such factor may vary
from individual to individual.

     Incentive  Bonuses. The  Compensation  Committee  and  the  Chief Executive
Officer  believe  that  a  cash  incentive  bonus plan can serve to motivate the
Company's  executive  officers  and  management  to  address  annual performance
goals,  using  more  immediate  measures for performance than those reflected in
the  appreciation  in value of stock options. The bonus amounts are based upon a
subjective   consideration   of   factors  including  such  officer's  level  of
responsibility,  individual  performance, contributions to the Company's success
and the Company's financial performance generally.

     Stock  Option  Grants. Stock  options are granted to executive officers and
other  employees under the 1994 Plan. Because of the direct relationship between
the  value of an option and the stock price, the Compensation Committee believes
that  options motivate executive officers to manage the Company in a manner that
is  consistent  with  shareholder interests. Stock option grants are intended to
focus  the  attention  of  the  recipient on the Company's long-term performance
which  the Company believes results in improved shareholder value, and to retain
the  services of the executive officers in a competitive job market by providing
significant  long-term  earning  potential. To this end, stock options generally
vest  and  become  fully  exercisable  over  a  five-year  period.  However, the
Compensation  Committee  continues  to  evaluate  and  consider revisions to the
various  terms  and  conditions of the Company's option agreements, specifically
with  respect  to  the  duration  of  the  option  agreements, and the basis for
issuing  and  vesting  of  awards.  The principal factors considered in granting
stock  options to executive officers of the Company are prior performance, level
of  responsibility,  other  compensation  and the executive officer's ability to
influence  the  Company's  long-term growth and profitability. However, the 1994
Plan  does  not provide any quantitative method for weighting these factors, and
a  decision to grant an award is primarily based upon a subjective evaluation of
the past as well as future anticipated performance.

     Deductibility  of Compensation. Section 162(m) of the Internal Revenue Code
("IRC")  disallows a deduction by the Company for certain compensation exceeding
$1 million paid to any named executive


                                       13
<PAGE>

officer,  excluding, among other things, certain performance based compensation.
Because  the  compensation  figures  for  the  Named Executive Officers have not
approached  the limitation, the Compensation Committee has not had to use any of
the  available  exemptions  from  the deduction limit. However, the 1994 Plan is
designed  to  qualify any compensation realized by Named Executive Officers from
the  exercise  of  an option as performance based compensation. The Compensation
Committee  remains aware of the existence of the IRC Section 162(m) limitations,
and  the  available exemptions, and will address the issue of deductibility when
and  if  circumstances  warrant  the  use  of such exemptions in addition to the
exemption contemplated under the 1994 Plan.


Chief Executive Officer Compensation

     The  compensation  of  the  Chief Executive Officer is reviewed annually on
the  same basis as discussed above for all executive officers. Mr. Sarrat's base
salary  for  the  fiscal year ended December 31, 1997 was $300,000. In addition,
Ms.  Sarrat is entitled to a minimum annual bonus of $100,000. Mr. Sarrat's base
salary  was  established  in  part  by  comparing  the  base  salaries  of chief
executive  officers  at  other  companies  of  similar size and the compensation
proposals  by  competing candidates for the position of Chief Executive Officer.
Mr.  Sarrat's  base  salary  was  also established in part by comparing the base
salaries  of  chief  executive  officers at other companies of similar size. Mr.
Sarrat's  base salary was at the approximate median of the base salary range for
Presidents/Chief  Executive  Officers  of  comparative companies. Mr. Sarrat was
granted  an interest-free loan in the amount of $2,000,000 for the purchase of a
primary  residence  in  Northern California (the "Loan") in order to accommodate
his  relocation from his current residence in Connecticut to the Company's place
of  business  where  housing  costs  are significantly greater. Under the Sarrat
Agreement,  Mr.  Sarrat  was  entitled  to  payment  on  December 31, 2000, of a
special  bonus  in  the amount of $2,000,000, which he agreed to defer in return
for  the  Company's  agreement  to  renegotiate  the  terms  of the Loan and the
conditions  for payment of the special bonus. No other revisions or increases in
base compensation are currently contemplated in the Sarrat Agreement.

                               MEMBERS OF THE COMPENSATION COMMITTEE

                               Leo A. Guthart
                               James H. Simons
                               King W.W. Harris
                                

                                       14
<PAGE>

                                  MANAGEMENT
<TABLE>

     The   following   table  sets  forth  certain  information  concerning  the
executive officers of the Company(1):

<CAPTION>
             Name                Age                         Position
- -----------------------------   -----   -------------------------------------------------
<S>                              <C>    <C>
Thomas L. Butler ............    50     Senior Vice President Sales and Marketing
Reed B. Byrum ...............    49     Vice President, Communications
William P. Crowell ..........    57     Vice President, Product Development and Strategy
John H. Daws ................    54     Vice President and Chief Financial Officer
Sarah L. Engel ..............    54     Vice President, Human Resources and
                                        Organizational Development
Robert B. Fougner ...........    46     Secretary and General Counsel
John V. Kalb ................    50     Vice President, Business Development
Paul Massie .................    43     Vice President, Information Systems
Peter J. Slocum .............    42     Vice President, Engineering
<FN>
- ----------------

(1)  In addition to Mr. Sarrat, who is described in Proposal No. 1.
</FN>
</TABLE>


     Mr.  Butler  joined  the  Company in April 1997 as Senior Vice President of
Sales  and  Marketing.  Prior  to  joining  the  Company he served as group vice
president  of sales and marketing for electronic commerce for Sterling Software.
Prior  to his work at Sterling Software, he was a senior vice president of sales
and marketing at Bank Automation Systems.

     Mr.  Byrum  joined the Company as Vice President, Communications in January
1998.  Prior  to  joining  the  Company,  Mr.  Byrum  held positions or provided
services   to   GE   Capital,  Measurex,  Gannett,  N.E.T.,  The  Johns  Hopkins
University, and Ruder Finn & Rotman.

     Mr.  Crowell  joined the Company as Vice President, Product Development and
Strategy  in  January  1998.  Prior to joining the Company, Mr Crowell served as
the  Deputy  Director  at  the  National Security Agency, and has also served as
Vice President of the Atlantic Aerospace Electronics Corporation.

     Mr.  Daws  joined the Company as Vice President and Chief Financial Officer
in  September  1995.  From  April 1992 to August 1995, he was Vice President and
Chief   Financial   Officer  of  Crosspoint  Solutions,  Inc.,  a  software  and
semiconductor  company,  and  from  June  1988  to  December  1991  he  was Vice
President,  Finance  of  Rolm  Computer  Corporation,  a  software  and computer
company and a subsidiary of Loral Corporation.

     Ms.  Engel  joined  the  Company  as  Vice  President,  Human Resources and
Organizational  Development in February 1997. Before joining the Company she was
an  independent  consultant  specializing in strategic planning, human resources
and  organizational  development  with  such  clients as Ford Motor Company, The
Coca-Cola Company, Exxon Corporation and Harcourt General, Inc.

     Mr.  Fougner  has  been  Secretary  and  General  Counsel since joining the
Company  in December 1989. Prior to joining the Company, he was a partner in the
New York law firm of Hill, Betts & Nash.

     Mr.  Kalb  joined  the  Company  as Vice President, Business Development in
January  1997.  Prior  to  joining  the Company, he was with IBM Corporation for
over  25 years, most recently as Vice President of Electronic Commerce, Internet
Division,   responsible  for  marketing,  software  development  and  operations
relating to IBM's offerings for enabling commerce over the Internet.

     Mr.  Massie  joined the Company as Vice President, Business Systems in June
1997.  Prior  to  joining  the Company he was with Bay Networks where he was the
director  of  information  systems.  He has also served as director of computing
for   Sun   Microsystems,   Inc.   and  as  director  of  computer  systems  and
telecommunications for Sterling Software.

     Mr.  Slocum  joined  the Company as Vice President, Engineering in February
1997.  From  July  1993  to  February  1997,  he  served  as  Vice  President of
Engineering  for Octel Communications Corporation, a provider of voice messaging
systems and services. Mr. Slocum served as Director of Engineering for


                                       15
<PAGE>

Silicon  Graphics,  Inc.,  a  computing  systems company, from July 1992 to July
1993  and  MIPS  Computer  Systems,  Inc. (merged with Silicon Graphics, Inc. in
July 1992) from August 1990 to July 1992.


                            STOCK PERFORMANCE GRAPH

     The  following graph compares the percentage change in the cumulative total
shareholder  return  on  the  Company's Common Stock from February 15, 1996, the
date  of the Company's initial public offering, through the end of the Company's
fiscal  year  ended  December  31,  1997,  with  the  percentage  change  in the
cumulative  total  return  for  the  NASDAQ  Stock Market (U.S. & Foreign) Index
(also  known as the NASDAQ Composite Index) and the Hambrecht & Quist Technology
Index.  The comparison assumes an investment of $100 on February 15, 1996 in the
Company's  Common  Stock  and  in  each  of  the  foregoing  indices and assumes
reinvestment  of  dividends.  The  stock performance shown on the graph below is
not necessarily indicative of future price performance.

[The following  descriptive  data is supplied in accordance  with Rule 304(d) of
Regulation S-T]

                                                     Cumulative Total Return
                                                 -------------------------------
                                                     2/15/96    12/96     12/97

Cylink Corp                              CYLK          100        87        65
NASDAQ STOCK MARKET (U.S. & FORIEGN)     INAF          100       118       144
HAMBRECHT & QUIST TECHNOLOGY             IHQT          100       118       138




                                       16
<PAGE>

                             SHAREHOLDER PROPOSALS

     To  be  considered  for presentation to the annual meeting of the Company's
shareholders  to  be  held  in  1999, a shareholder proposal must be received by
Robert  B.  Fougner,  Esq.,  Secretary,  Cylink  Corporation, 910 Hermosa Court,
Sunnyvale, California 94086, no later than December 23, 1998.


                                 OTHER MATTERS


Section 16(a) Beneficial Ownership Reporting Compliance

     Section16(a)   of  the  Exchange  Act  requires  the  Company's  directors,
executive  officers  and  persons  who own more than 10% of the Company's Common
Stock  (collectively,  "Reporting  Persons")  to  file  reports of ownership and
changes  in  ownership  of  the  Company's  Common  Stock. Reporting Persons are
required  by  Securities  and  Exchange  Commission  regulations  to furnish the
Company  with copies of all Section 16(a) reports they file. Based solely on its
review  of  the  copies of such reports received or written representations from
certain  Reporting  Persons,  the  Company  believes  that, apart from Dr. Elwyn
Berlekamp,  a  Director  who  had  two transactions during the fiscal year ended
December  31,  1997  which  should  have been reported on a Form 4 and have been
corrected  by  filing  a  Form  5,  all  Reporting  Persons  complied  with  all
applicable filing requirements.


Other Matters

     The  Board  of Directors knows of no other business which will be presented
at  the  Annual  Meeting.  If  any other business is properly brought before the
Annual  Meeting,  it is intended that proxies in the enclosed form will be voted
in  respect  thereof  in accordance with the judgments of the persons voting the
proxies.

     It  is important that the proxies be returned promptly and that your shares
be  represented.  Shareholders  are  urged  to  mark, date, execute and promptly
return the accompanying proxy card in the enclosed envelope.

                                          By Order of the Board of Directors,

                                          s/s Fernand B. Sarrat
                                          Fernand B. Sarrat
                                          President  and Chief Executive Officer

April 23, 1998
Sunnyvale, California

                                       17


<PAGE>

                                                                      1486-PS-98
<PAGE>

                                                                      Appendix A
                               CYLINK CORPORATION
                       1994 FLEXIBLE STOCK INCENTIVE PLAN
                  (amended and restated as of January 30, 1998)


    1.    Purposes of the Plan. The purposes of this Stock Incentive Plan are to
attract and retain the best  available  personnel for  positions of  substantial
responsibility,  to provide  additional  incentive to  Employees,  Directors and
Consultants and to promote the success of the Company's business.

    2.    Definitions. As used herein, the following definitions shall apply:

         (1.)  "Administrator"   means  the  Board  or  any  of  the  Committees
appointed to administer the Plan. All references to the "Committee" in any Award
Agreement shall be deemed to refer to the Administrator.

         (2.)  "Affiliate"  and "Associate"  shall have the respective  meanings
ascribed to such terms in Rule 12b-2  promulgated  under the  Exchange  Act. All
references to "Affiliate" in any Award  Agreement  issued prior to this April 2,
1997 amendment and  restatement of the Plan shall be deemed to refer to a Parent
or a Subsidiary.

         (3.)  "Applicable  Laws" means the legal  requirements  relating to the
administration of stock incentive plans, if any, under applicable  provisions of
federal  securities  laws,  state  corporate and securities  laws, the Code, the
rules of any applicable stock exchange or national market system,  and the rules
of any foreign jurisdiction applicable to Awards granted to residents therein.

         (4.)  "Award"  means the grant of an  Option,  Restricted  Stock,  SAR,
Dividend Equivalent Right,  Performance Unit,  Performance Share, or other right
or benefit under the Plan.

         (5.)  "Award  Agreement"  means the written  agreement  evidencing  the
grant of an  Award  executed  by the  Company  and the  Grantee,  including  any
amendments thereto.

         (6.)  "Board" means the Board of Directors of the Company.

         (7.)  "Change in Control" means a change in ownership or control of the
Company effected through either of the following transactions:

               (1.) the direct or indirect  acquisition by any person or related
group of  persons  (other  than an  acquisition  from or by the  Company or by a
Company-sponsored  employee  benefit  plan  or  by a  person  that  directly  or
indirectly  controls,  is controlled  by, or is under common  control with,  the
Company)  of  beneficial  ownership  (within  the  meaning  of Rule 13d-3 of the
Exchange Act) of securities possessing more than fifty percent (50%) of the

                                       1

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


total combined voting power of the Company's outstanding  securities pursuant to
a tender or exchange offer made directly to the Company's  shareholders  which a
majority of the Continuing Directors who are not Affiliates or Associates of the
offeror do not recommend such shareholders accept, or

               (2.) a change in the  composition  of the Board  over a period of
thirty-six  (36)  months  or less  such that a  majority  of the  Board  members
(rounded up to the next whole number) ceases, by reason of one or more contested
elections  for  Board  membership,  to  be  comprised  of  individuals  who  are
Continuing Directors.

         (8.)  "Code" means the Internal Revenue Code of 1986, as amended.

         (9.)  "Committee"  means  any  committee  appointed  by  the  Board  to
administer the Plan.

         (10.) "Common Stock" means the common stock of the Company.

         (11.) "Company" means Cylink Corporation, a California corporation.

         (12.) "Consultant"  means any person  who is engaged by the  Company or
any Related Entity to render  consulting or advisory  services as an independent
contractor and is compensated for such services.

         (13.) "Continuing  Directors" means members of the Board who either (i)
have been Board members  continuously  for a period of at least  thirty-six (36)
months or (ii) have been Board members for less than  thirty-six (36) months and
were elected or nominated  for election as Board  members by at least a majority
of the Board  members  described  in clause  (i) who were still in office at the
time such election or nomination was approved by the Board.

         (14.) "Continuous Status as an Employee,  Director or Consultant" means
that the  provision  of  services  to the  Company  or a  Related  Entity in any
capacity of Employee,  Director or Consultant, is not interrupted or terminated.
Continuous Status as an Employee, Director or Consultant shall not be considered
interrupted  in the case of (i) any approved  leave of absence or (ii) transfers
between  locations of the Company or among the Company,  any Related Entity,  or
any successor in any capacity of Employee,  Director or Consultant.  An approved
leave of  absence  shall  include  sick  leave,  military  leave,  or any  other
authorized  personal  leave.  For purposes of Incentive  Stock Options,  no such
leave may exceed ninety (90) days,  unless  reemployment upon expiration of such
leave is guaranteed by statute or contract.

                                       2

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


         (15.) "Corporate    Transaction"    means   any   of   the    following
shareholder-approved transactions to which the Company is a party:

              (1.)  a merger or  consolidation  in which the  Company is not the
surviving entity,  except for a transaction the principal purpose of which is to
change the state in which the Company is incorporated;

              (2.)  the  sale,   transfer  or  other   disposition   of  all  or
substantially  all of the assets of the Company  (including the capital stock of
the  Company's   subsidiary   corporations)  in  connection  with  the  complete
liquidation or dissolution of the Company; or

              (3.)  any  reverse  merger in which the  Company is the  surviving
entity but in which  securities  possessing more than fifty percent (50%) of the
total  combined  voting  power  of  the  Company's  outstanding  securities  are
transferred to a person or persons different from those who held such securities
immediately prior to such merger. 

         (16.) "Covered  Employee" means an Employee who is a "covered employee"
under Section 162(m)(3) of the Code.

         (17.) "Director" means a member of the Board.

         (18.) "Dividend  Equivalent  Right" means a right entitling the Grantee
to compensation measured by dividends paid with respect to Common Stock.

         (19.) "Employee"  means any person,  including  an Officer or Director,
who is an  employee  of the  Company or any  Related  Entity.  The  payment of a
director's fee by the Company shall not be sufficient to constitute "employment"
by the Company.

         (20.) "Exchange  Act" means the  Securities  Exchange  Act of 1934,  as
amended.

         (21.) "Fair Market  Value" means,  as of any date,  the value of Common
Stock determined as follows:

              (1.)  Where there exists a public market for the Common Stock, the
Fair Market Value shall be (A) the closing price for a Share for the last market
trading day prior to the time of the determination  (or, if no closing price was
reported on that date,  on the last  trading  date on which a closing  price was
reported)  on the  stock  exchange  determined  by the  Administrator  to be the
primary market for the Common Stock or the Nasdaq National Market,  whichever is
applicable  or (B) if the  Common  Stock is not traded on any such  exchange  or
national  market  system,  the average of the closing bid and asked  prices of a
Share  on the  Nasdaq  Small  Cap  Market  for the day  prior to the time of the
determination (or, if no such prices were

                                       3

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


reported on that date, on the last date on which such prices were reported),  in
each case,  as reported in The Wall Street  Journal or such other  source as the
Administrator deems reliable; or

              (2.)  In  the  absence  of  an  established  market  of  the  type
described in (i),  above,  for the Common  Stock,  the Fair Market Value thereof
shall be determined by the Administrator in good faith. 

         (22.) "Grantee" means an Employee,  Director or Consultant who receives
an Award under the Plan.

         (23.) "Incentive  Stock Option" means an Option  intended to qualify as
an incentive stock option within the meaning of Section 422 of the Code.

         (24.) "Non-Qualified  Stock  Option"  means an Option not  intended  to
qualify as an Incentive Stock Option.

         (25.) "Officer"  means a person who is an officer of the Company within
the  meaning  of Section 16 of the  Exchange  Act and the rules and  regulations
promulgated thereunder.

         (26.) "Option" means a stock option granted pursuant to the Plan.

         (27.) "Parent" means a "parent  corporation,"  whether now or hereafter
existing, as defined in Section 424(e) of the Code.

         (28.) "Performance - Based Compensation" means compensation  qualifying
as "performance-based compensation" under Section 162(m) of the Code.

         (29.) "Performance  Shares"  means  Shares or an award  denominated  in
Shares which may be earned in whole or in part upon  attainment  of  performance
criteria established by the Administrator.

         (30.)  "Performance  Units" means an award which may be earned in whole
or  in  part  upon  attainment  of  performance   criteria  established  by  the
Administrator and which may be settled for cash, Shares or other securities or a
combination  of  cash,   Shares  or  other  securities  as  established  by  the
Administrator.

         (31.) "Plan" means this 1994 Flexible Stock  Incentive Plan, as amended
and restated.

                                       4

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


         (32.) "Related  Entity" means any Parent,  Subsidiary and any business,
corporation, partnership, limited liability company or other entity in which the
Company,  a Parent or a  Subsidiary  holds an  ownership  interest,  directly or
indirectly.

         (33.) "Restricted  Stock"  means  Shares  issued  under the Plan to the
Grantee for such  consideration,  if any,  and subject to such  restrictions  on
transfer, rights of first refusal, repurchase provisions, forfeiture provisions,
and other terms and conditions as established by the Administrator.

         (34.) "Rule 16b-3" means Rule 16b-3  promulgated under the Exchange Act
or any successor thereto.

         (35.) "SAR" means a stock  appreciation  right entitling the Grantee to
Shares or cash compensation,  as established by the  Administrator,  measured by
appreciation in the value of Common Stock.

         (36.) "Share" means a share of the Common Stock.

         (37.) "Subsidiary"  means a  "subsidiary  corporation,"  whether now or
hereafter existing, as defined in Section 424(f) of the Code.

         (38.) "Subsidiary  Disposition" means the disposition by the Company of
its  equity  holdings  in any  subsidiary  corporation  effected  by a merger or
consolidation  involving  that  subsidiary  corporation,  the  sale  of  all  or
substantially all of the assets of that subsidiary  corporation or the Company's
sale or distribution of  substantially  all of the outstanding  capital stock of
such subsidiary corporation.

    3.    Stock Subject to the Plan.

         (1.)  Subject to the  provisions  of Section  10,  below,  the  maximum
aggregate number of Shares which may be issued pursuant to all Awards (including
Incentive  Stock Options) is 8,050,000  Shares,  and  commencing  with the first
business day of each calendar year  thereafter  beginning  with January 1, 1999,
such  maximum  aggregate  number  of  Shares  shall  be  increased  by a  number
determined by the Compensation Committee of the Board of Directors, in an amount
which shall not exceed four percent (4%) of the number of Shares  outstanding as
of December 31 of the immediately  preceding calendar year.  Notwithstanding the
foregoing, subject to the provisions of Section 10, below, the maximum aggregate
number of  Shares  available  for  grant of  Incentive  Stock  Options  shall be
8,050,000 Shares,  the maximum aggregate number of Shares available for grant as
stock bonuses shall be 200,000 Shares,  and such numbers shall not be subject to
annual adjustment as described above. The Shares to be

                                       5

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


issued pursuant to Awards may be authorized,  but unissued, or reacquired Common
Stock.

         (2.)  If an Award expires or becomes  unexercisable without having been
exercised in full, or is surrendered  pursuant to an Award exchange program,  or
if any unissued  Shares are retained by the Company upon exercise of an Award in
order to satisfy the exercise price for such Award or any withholding  taxes due
with  respect to such  Award,  such  unissued or retained  Shares  shall  become
available  for  future  grant  or sale  under  the  Plan  (unless  the  Plan has
terminated). Shares that actually have been issued under the Plan pursuant to an
Award  shall not be  returned  to the Plan and shall not  become  available  for
future  distribution  under  the  Plan,  except  that  if  unvested  Shares  are
forfeited,  or repurchased by the Company at their original purchase price, such
Shares shall become available for future grant under the Plan.

     4.   Administration of the Plan.

         (1.) Plan Administrator.

              (1.)  Administration with Respect to Directors and Officers.  With
respect to grants of Awards to Directors or Employees  who are also  Officers or
Directors of the Company, the Plan shall be administered by (A) the Board or (B)
a Committee  designated by the Board,  which  Committee  shall be constituted in
such a manner as to satisfy  the  Applicable  Laws and to permit such grants and
related  transactions  under the Plan to be  exempt  from  Section  16(b) of the
Exchange Act in accordance with Rule 16b-3. Once appointed, such Committee shall
continue to serve in its  designated  capacity until  otherwise  directed by the
Board.

              (2.)  Administration   With  Respect  to  Consultants   and  Other
Employees.  With respect to grants of Awards to Employees or Consultants who are
neither Directors nor Officers of the Company, the Plan shall be administered by
(A) the Board or (B) a Committee  designated by the Board, which Committee shall
be  constituted  in such a  manner  as to  satisfy  the  Applicable  Laws.  Once
appointed,  such Committee  shall  continue to serve in its designated  capacity
until  otherwise  directed  by the Board.  The Board may  authorize  one or more
Officers  to grant  such  Awards  and may  limit  such  authority  as the  Board
determines from time to time.

              (3.)  Administration    With   Respect   to   Covered   Employees.
Notwithstanding the foregoing, grants of Awards to any Covered Employee intended
to qualify as  Performance-Based  Compensation shall be made only by a Committee
(or  subcommittee  of a  Committee)  which is  comprised  solely  of two or more
Directors  eligible  to  serve  on  a  committee  making  Awards  qualifying  as
Performance-Based  Compensation.  In the case of such Awards  granted to Covered
Employees, references to the "Administrator" or to a "Committee" shall be deemed
to be references to such Committee or subcommittee.

                                       6

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


              (4.)  Administration Errors. In the event an Award is granted in a
manner inconsistent with the provisions of this subsection (a), such Award shall
be  presumptively  valid as of its grant  date to the  extent  permitted  by the
Applicable Laws.

         (2.)  Powers of the  Administrator.  Subject to Applicable Laws and the
provisions of the Plan  (including  any other powers given to the  Administrator
hereunder),  and except as otherwise  provided by the Board,  the  Administrator
shall have the authority, in its discretion:

              (1.)  to select the Employees,  Directors and  Consultants to whom
Awards may be granted from time to time hereunder;

              (2.)  to determine  whether and to what extent  Awards are granted
hereunder;

              (3.)  to  determine  the  number of Shares or the  amount of other
consideration to be covered by each Award granted hereunder;

              (4.)  to approve forms of Award Agreement for use under the Plan;

              (5.)  to determine  the terms and  conditions of any Award granted
hereunder;

              (6.)  to amend the terms of any  outstanding  Award  granted under
the Plan,  including a reduction in the exercise  price (or base amount on which
appreciation is measured) of any Award to reflect a reduction in the Fair Market
Value of the Common Stock since the grant date of the Award,  provided  that any
amendment that would adversely  affect the Grantee's rights under an outstanding
Award shall not be made without the Grantee's written consent;

              (7.)  to construe and  interpret  the terms of the Plan and Awards
granted pursuant to the Plan;

              (8.)  to  establish   additional  terms,   conditions,   rules  or
procedures to accommodate the rules or laws of applicable foreign  jurisdictions
and to afford Grantees favorable treatment under such laws;  provided,  however,
that no Award  shall be granted  under any such  additional  terms,  conditions,
rules or procedures  with terms or conditions  which are  inconsistent  with the
provisions of the Plan; and

                                       7

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


              (9.)  to take such other action,  not inconsistent  with the terms
of the Plan, as the Administrator deems appropriate.

         (3.)  Effect of Administrator's Decision. All decisions, determinations
and  interpretations of the Administrator shall be conclusive and binding on all
persons.

    5.    Eligibility.  Awards other than Incentive Stock Options may be granted
to Employees, Directors and Consultants.  Incentive Stock Options may be granted
only to  Employees  of the  Company,  a Parent  or a  Subsidiary.  An  Employee,
Director or Consultant who has been granted an Award may, if otherwise eligible,
be granted additional Awards. Awards may be granted to such Employees, Directors
or Consultants who are residing in foreign  jurisdictions  as the  Administrator
may determine from time to time.

    6.    Terms and Conditions of Awards.

         (1.)  Type of Awards. The Administrator is authorized under the Plan to
award any type of arrangement to an Employee, Director or Consultant that is not
inconsistent  with the  provisions of the Plan and that by its terms involves or
might involve the issuance of (i) Shares, (ii) an Option, a SAR or similar right
with an exercise or conversion privilege at a fixed or variable price related to
the Common  Stock  and/or the  passage of time,  the  occurrence  of one or more
events,  or the  satisfaction of performance  criteria or other  conditions,  or
(iii) any other  security  with the value  derived  from the value of the Common
Stock or other  securities  issued by a Related  Entity.  Such  awards  include,
without  limitation,  Options,  SARs,  sales or  bonuses  of  Restricted  Stock,
Dividend  Equivalent  Rights,  Performance Units or Performance  Shares,  and an
Award may consist of one such security or benefit, or two or more of them in any
combination or alternative.

         (2.)  Designation of Award. Each Award shall be designated in the Award
Agreement. In the case of an Option, the Option shall be designated as either an
Incentive Stock Option or a Non-Qualified Stock Option. However, notwithstanding
such  designation,  to the extent that the aggregate Fair Market Value of Shares
subject  to  Options   designated  as  Incentive   Stock  Options  which  become
exercisable  for the first time by a Grantee during any calendar year (under all
plans of the Company or any Parent or Subsidiary) exceeds $100,000,  such excess
Options,  to the extent of the Shares covered thereby in excess of the foregoing
limitation,  shall be treated as Non-Qualified Stock Options.  For this purpose,
Incentive  Stock  Options shall be taken into account in the order in which they
were granted,  and the Fair Market Value of the Shares shall be determined as of
the date the Option with respect to such Shares is granted.

         (3.)  Conditions  of  Award.  Subject  to the  terms of the  Plan,  the
Administrator

                                       8

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


shall determine the provisions,  terms,  and conditions of each Award including,
but not limited to, the Award vesting schedule, repurchase provisions, rights of
first refusal,  forfeiture  provisions,  form of payment (cash, Shares, or other
consideration)  upon  settlement  of  the  Award,  payment  contingencies,   and
satisfaction of any performance  criteria.  The performance criteria established
by the  Administrator may be based on any one of, or combination of, increase in
share price,  earnings per share,  total shareholder  return,  return on equity,
return on  assets,  return on  investment,  net  operating  income,  cash  flow,
revenue,  economic value added, personal management objectives, or other measure
of  performance  selected  by  the  Administrator.  Partial  achievement  of the
specified  criteria  may  result in a payment or  vesting  corresponding  to the
degree of achievement as specified in the Award Agreement.

         (4.)  Deferral of Award Payment. The Administrator may establish one or
more programs  under the Plan to permit  selected  Grantees the  opportunity  to
elect to defer receipt of consideration upon exercise of an Award,  satisfaction
of performance  criteria,  or other event that absent the election would entitle
the  Grantee to payment  or  receipt of Shares or other  consideration  under an
Award. The  Administrator may establish the election  procedures,  the timing of
such elections, the mechanisms for payments of, and accrual of interest or other
earnings,  if any, on amounts,  Shares or other  consideration so deferred,  and
such other terms, conditions,  rules and procedures that the Administrator deems
advisable for the administration of any such deferral program.

         (5.)  Award Exchange  Programs.  The Administrator may establish one or
more programs  under the Plan to permit  selected  Grantees to exchange an Award
under  the Plan for one or more  other  types of  Awards  under the Plan on such
terms and conditions as determined by the Administrator from time to time.

         (6.)  Separate  Programs.  The  Administrator may establish one or more
separate programs under the Plan for the purpose of issuing  particular forms of
Awards to one or more  classes  of  Grantees  on such  terms and  conditions  as
determined by the Administrator from time to time.

         (7.)  Individual  Option and SAR Limit.  The  maximum  number of Shares
with respect to which Options and SARs may be granted to any Employee  under the
Plan shall be  1,000,000  Shares.  The  foregoing  limitation  shall be adjusted
proportionately  in connection  with any change in the Company's  capitalization
pursuant to Section 10, below.  To the extent  required by Section 162(m) of the
Code or the regulations  thereunder,  in applying the foregoing  limitation with
respect to an Employee, if any Option or SAR is canceled, the canceled Option or
SAR shall continue to count against the maximum number of Shares with respect to
which  Options and SARs may be granted to the Employee.  For this  purpose,  the
repricing  of an Option

                                       9

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


(or in the case of a SAR,  the base  amount on which the stock  appreciation  is
calculated  is reduced to reflect a reduction  in the Fair  Market  Value of the
Common Stock) shall be treated as the cancellation of the existing Option or SAR
and the grant of a new Option or SAR.

         (8.)  Early Exercise.  The Award may, but need not, include a provision
whereby  the  Grantee  may  elect at any time  while an  Employee,  Director  or
Consultant to exercise any part or all of the Award prior to full vesting of the
Award. Any unvested Shares received  pursuant to such exercise may be subject to
a  repurchase  right in favor of the  Company  or to any other  restriction  the
Administrator determines to be appropriate.

         (9.)  Term of Award. The term of each Award shall be the term stated in
the Award  Agreement,  provided,  however,  that the term of an Incentive  Stock
Option  shall be no more  than ten (10)  years  from the date of grant  thereof.
However,  in the case of an Incentive  Stock Option granted to a Grantee who, at
the time the Option is granted,  owns stock  representing  more than ten percent
(10%) of the voting  power of all  classes of stock of the Company or any Parent
or  Subsidiary,  the term of the Incentive  Stock Option shall be five (5) years
from the date of grant  thereof or such  shorter  term as may be provided in the
Award Agreement.

         (10.) Transferability  of Awards.  Incentive  Stock  Options may not be
sold, pledged, assigned, hypothecated, transferred, or disposed of in any manner
other  than  by  will  or by the  laws of  descent  or  distribution  and may be
exercised,  during the lifetime of the Grantee,  only by the Grantee;  provided,
however, that the Grantee may designate a beneficiary of the Grantee's Incentive
Stock Option in the event of the Grantee's  death on a  beneficiary  designation
form provided by the  Administrator.  Other Awards shall be  transferable to the
extent provided in the Award Agreement. 

         (11.) Time of Granting Awards.  The date of grant of an Award shall for
all purposes be the date on which the  Administrator  makes the determination to
grant such  Award,  or such other date as is  determined  by the  Administrator.
Notice of the grant determination  shall be given to each Employee,  Director or
Consultant  to whom an Award is so granted  within a  reasonable  time after the
date of such grant.

    7.    Award  Exercise or  Purchase  Price,  Consideration,  Taxes and Reload
Options.

         (1.)  Exercise or Purchase  Price.  The exercise or purchase  price, if
any, for an Award shall be as follows:

              (1.)  In the case of an Incentive Stock Option:

                    (1)  granted to an Employee who, at the time of the grant of

                                       10

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


such Incentive Stock Option owns stock  representing more than ten percent (10%)
of the  voting  power of all  classes  of stock of the  Company or any Parent or
Subsidiary,  the per Share exercise price shall be not less than one hundred ten
percent (110%) of the Fair Market Value per Share on the date of grant.

                    (2)  granted  to  any   Employee   other  than  an  Employee
described in the preceding paragraph,  the per Share exercise price shall be not
less than one hundred  percent  (100%) of the Fair Market Value per Share on the
date of grant.

              (2.)  In the case of a Non-Qualified  Stock Option,  the per Share
exercise  price  shall be not less than  eighty-five  percent  (85%) of the Fair
Market Value per Share on the date of grant.

              (3.)  In the case of the sale of Shares:

                    (1)  granted  to a person  who,  at the time of the grant of
such Award, or at the time the purchase is consummated,  owns stock representing
more than ten percent  (10%) of the voting  power of all classes of stock of the
Company, the per Share purchase price shall be not less than one hundred percent
(100%) of the Fair Market Value per share on the date of grant.

                    (2)  granted to any person other than a person  described in
the preceding  paragraph,  the per Share  purchase  price shall be not less than
eighty-five  percent  (85%) of the Fair  Market  Value  per Share on the date of
grant.

              (4.)  In   the   case   of   Awards   intended   to   qualify   as
Performance-Based Compensation, the exercise or purchase price, if any, shall be
not less than one hundred  percent  (100%) of the Fair Market Value per Share on
the date of grant.

              (5.)  In the case of other Awards,  such price as is determined by
the  Administrator.

         (2.)  Consideration.  Subject to Applicable Laws, the  consideration to
be paid for the  Shares to be  issued  upon  exercise  or  purchase  of an Award
including the method of payment,  shall be determined by the Administrator (and,
in the case of an Incentive  Stock  Option,  shall be  determined at the time of
grant).  In addition to any other types of consideration  the  Administrator may
determine, the Administrator is authorized to accept as consideration for Shares
issued under the Plan the following:

                    (1.) cash;

                                       11

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


                    (2.) check;

                    (3.) delivery  of  Grantee's   promissory   note  with  such
recourse,  interest,  security,  and redemption  provisions as the Administrator
determines as appropriate;

                    (4.) surrender of Shares or delivery of a properly  executed
form of  attestation  of  ownership of Shares as the  Administrator  may require
(including  withholding  of Shares  otherwise  deliverable  upon exercise of the
Award) which have a Fair Market  Value on the date of  surrender or  attestation
equal to the aggregate exercise price of the Shares as to which said Award shall
be exercised  (but only to the extent that such  exercise of the Award would not
result in an accounting  compensation  charge with respect to the Shares used to
pay the exercise price unless otherwise determined by the Administrator);

                    (5.) delivery  of  a  properly   executed   exercise  notice
together with such other  documentation as the  Administrator and the broker, if
applicable, shall require to effect an exercise of the Award and delivery to the
Company of the sale or loan proceeds required to pay the exercise price; or

                    (6.) any combination of the foregoing methods of payment.

              (3.)  Taxes.  No Shares shall be  delivered  under the Plan to any
Grantee or other person until such Grantee or other person has made arrangements
acceptable to the  Administrator  for the satisfaction of any foreign,  federal,
state,  or local income and employment tax withholding  obligations,  including,
without  limitation,  obligations  incident  to the  receipt  of  Shares  or the
disqualifying  disposition of Shares  received on exercise of an Incentive Stock
Option.  Upon exercise of an Award,  the Company shall  withhold or collect from
Grantee an amount sufficient to satisfy such tax obligations.

              (4.)  Reload  Options.  In the  event  the  exercise  price or tax
withholding  of an Option is satisfied by the Company or the Grantee's  employer
withholding Shares otherwise  deliverable to the Grantee,  the Administrator may
issue the  Grantee  an  additional  Option,  with terms  identical  to the Award
Agreement  under which the Option was  exercised,  but at an  exercise  price as
determined by the Administrator in accordance with the Plan.

     8.   Exercise of Award.

         (1.)  Procedure for Exercise; Rights as a Shareholder.

              (1.)  Any Award granted  hereunder  shall be  exercisable  at such
times and under such  conditions as determined  by the  Administrator  under the
terms of the Plan and

                                       12
<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


specified in the Award Agreement.

              (2.)  An Award shall be deemed to be exercised when written notice
of such exercise has been given to the Company in  accordance  with the terms of
the Award by the person  entitled to exercise the Award and full payment for the
Shares with  respect to which the Award is  exercised  has been  received by the
Company.  Until the issuance (as evidenced by the appropriate entry on the books
of the Company or of a duly  authorized  transfer  agent of the  Company) of the
stock certificate  evidencing such Shares, no right to vote or receive dividends
or any other rights as a shareholder  shall exist with respect to Shares subject
to an Award,  notwithstanding  the  exercise  of an Option or other  Award.  The
Company shall issue (or cause to be issued) such stock certificate promptly upon
exercise of the Award.  No adjustment will be made for a dividend or other right
for which the record date is prior to the date the stock  certificate is issued,
except as provided in the Award Agreement or Section 10, below.

         (2.)  Exercise of Award Following  Termination of Employment,  Director
or Consulting Relationship.

              (1.)  An Award may not be exercised after the termination  date of
such Award set forth in the Award  Agreement and may be exercised  following the
termination  of a  Grantee's  Continuous  Status  as an  Employee,  Director  or
Consultant only to the extent provided in the Award Agreement.

              (2.)  Where the Award  Agreement  permits a Grantee to exercise an
Award  following  the  termination  of the  Grantee's  Continuous  Status  as an
Employee,  Director  or  Consultant  for a  specified  period,  the Award  shall
terminate to the extent not exercised on the last day of the specified period or
the last day of the original term of the Award, whichever occurs first.

              (3.)  Any Award  designated  as an  Incentive  Stock Option to the
extent  not  exercised  within the time  permitted  by law for the  exercise  of
Incentive  Stock Options  following the  termination  of a Grantee's  Continuous
Status as an Employee,  Director or Consultant shall convert  automatically to a
Non-Qualified  Stock Option and  thereafter  shall be exercisable as such to the
extent exercisable by its terms for the period specified in the Award Agreement.

         (3.)  Buyout Provisions. The Administrator may at any time offer to buy
out for a payment in cash or Shares, an Award previously granted,  based on such
terms and conditions as the Administrator shall establish and communicate to the
Grantee at the time that such offer is made.

                                       13

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


    9.    Conditions Upon Issuance of Shares.

         (1.)  Shares  shall not be issued  pursuant to the exercise of an Award
unless the  exercise of such Award and the  issuance and delivery of such Shares
pursuant  thereto shall comply with all  Applicable  Laws,  and shall be further
subject  to the  approval  of  counsel  for the  Company  with  respect  to such
compliance.

         (2.)  As a  condition  to the  exercise  of an Award,  the  Company may
require the person exercising such Award to represent and warrant at the time of
any such exercise that the Shares are being  purchased  only for  investment and
without  any  present  intention  to sell or  distribute  such Shares if, in the
opinion of counsel for the  Company,  such a  representation  is required by any
Applicable Laws.

    10.    Adjustments Upon Changes in  Capitalization.  Subject to any required
action by the shareholders of the Company,  the number of Shares covered by each
outstanding  Award,  and the  number of Shares  which have been  authorized  for
issuance under the Plan but as to which no Awards have yet been granted or which
have been  returned to the Plan,  as well as the price per share of Common Stock
covered by each such outstanding Award,  shall be  proportionately  adjusted for
any  increase  or  decrease  in the  number  of issued  shares  of Common  Stock
resulting from a stock split,  reverse stock split, stock dividend,  combination
or reclassification of the Common Stock, or any other similar event resulting in
an increase or decrease in the number of issued shares of Common  Stock.  Except
as expressly  provided herein,  no issuance by the Company of shares of stock of
any class, or securities  convertible  into shares of stock of any class,  shall
affect,  and no  adjustment  by reason hereof shall be made with respect to, the
number or price of Shares subject to an Award.

    11.    Corporate  Transactions/Changes  in Control/Subsidiary  Dispositions.
Except as may be provided in an Award Agreement:

         (1.)  Effective upon the consummation of a Corporate  Transaction,  all
outstanding  Awards  under  the  Plan  shall  terminate  unless  assumed  by the
successor  company or its Parent as  provided  below.  For the  purposes of this
subsection,  the Award shall be considered  assumed if,  following the Corporate
Transaction,  the Award confers, for each Share subject to the Award immediately
prior to the Corporate Transaction,  (i) the consideration (whether stock, cash,
or other  securities  or  property)  received in the  Corporate  Transaction  by
holders  of  Common  Stock  for each  Share  subject  to the  Award  held on the
effective  date of the  Corporate  Transaction  (and if holders  were  offered a
choice of  consideration,  the type of consideration  chosen by the holders of a
majority  of the  outstanding  Shares),  or (ii)  the  right  to  purchase  such
consideration in the case of an Option or similar Award; provided, however, that
if such  consideration  received  in the  Corporate  Transaction  was not solely
common stock of the 

                                       14

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


successor  corporation or its Parent, the Administrator may, with the consent of
the successor corporation, provide for the consideration to be received upon the
exercise  or  exchange  of the Award for each  Share  subject to the Award to be
solely  common stock of the  successor  corporation  or its Parent equal in fair
market value to the per share consideration  received by holders of Common Stock
in the Corporate Transaction.

         (2.)  In the  event of a Change  in  Control  (other  than a Change  in
Control which also is a Corporate Transaction),  each Award which is at the time
outstanding  under the Plan shall remain  exercisable  until the  expiration  or
sooner termination of the applicable Award term.

         (3.)  In the event of a Subsidiary Disposition, each Award with respect
to those Grantees who are at the time engaged  primarily in Continuous Status as
an Employee  or  Consultant  with the  subsidiary  corporation  involved in such
Subsidiary  Disposition  which is at the time  outstanding  under the Plan shall
remain so exercisable  until the  expiration or sooner  termination of the Award
term.

         (4.)  The portion of any Incentive Stock Option  accelerated  under the
terms of the Award Agreement in connection with a Corporate Transaction,  Change
in Control or Subsidiary  Disposition  shall remain  exercisable as an Incentive
Stock Option under the Code only to the extent the $100,000 dollar limitation of
Section 422(d) of the Code is not exceeded. To the extent such dollar limitation
is exceeded,  the accelerated excess portion of such Option shall be exercisable
as a Non-Qualified Stock Option.

    12.    Term of Plan.  The Plan shall  terminate with respect to the grant of
Incentive Stock Options on January 28, 2004, unless sooner terminated.

    13.    Amendment, Suspension or Termination of the Plan.

         (1.)  The Board may at any time amend,  suspend or terminate  the Plan.
To the extent necessary to comply with Applicable Laws, the Company shall obtain
shareholder approval of any Plan amendment in such a manner and to such a degree
as required.

         (2.)  No Award may be  granted  during  any  suspension  of the Plan or
after termination of the Plan.

         (3.)  Any  amendment,  suspension or  termination of the Plan shall not
affect Awards  already  granted,  and such Awards shall remain in full force and
effect as if the Plan had not been  amended,  suspended  or  terminated,  unless
mutually  agreed  otherwise  between the Grantee  and the  Administrator,  which
agreement must be in writing and signed by the Grantee and the Company.

                                       15

<PAGE>

Cylink Corporation
1994 Flexible Stock Incentive Plan

Amended and Restated as of  January 30, 1998


    14.   Reservation of Shares.

         (1.)  The  Company,  during  the term of the  Plan,  will at all  times
reserve  and keep  available  such  number of Shares as shall be  sufficient  to
satisfy the requirements of the Plan.

         (2.)  The  inability  of the  Company  to  obtain  authority  from  any
regulatory body having jurisdiction,  which authority is deemed by the Company's
counsel to be necessary to the lawful issuance and sale of any Shares hereunder,
shall relieve the Company of any liability in respect of the failure to issue or
sell  such  Shares  as to which  such  requisite  authority  shall not have been
obtained.

    15.    No Effect on Terms of Employment.  The Plan shall not confer upon any
Grantee any right with  respect to  continuation  of  employment  or  consulting
relationship with the Company, nor shall it interfere in any way with his or her
right or the Company's  right to terminate  his or her  employment or consulting
relationship at any time, with or without cause.

    16.    Shareholder  Approval.  The Plan became effective when adopted by the
Board on February 1, 1994,  and was approved by the  Company's  shareholders  on
April 4, 1994. On January 26, 1995, and in November, 1995, the Board adopted and
approved  an  amendment  and  restatement,  respectively,  of the Plan  that was
approved by the  Company's  shareholders  on January 15, 1996. On April 2, 1997,
the Board again  adopted and approved an amendment and  restatement  of the Plan
which was approved by the  Shareholders  on May 22, 1997.On January 30, 1998 the
Board  adopted  and  approved  an increase of  2,100,000  shares  available  for
issuance of awards under the Plan,  and to adopt a formula for  determining  the
maximum  aggregate  number of shares added to the Plan each year  beginning with
1999 (collectively,  the "Amendments"),  subject to shareholder  approval of the
Amendments.  Awards may be granted in  reliance  on the share  increase  and the
formula increase, but no Award issued in reliance on such increases shall become
exercisable  unless and until the  Amendments  shall have been  approved  by the
Company's  shareholders.  If such shareholder approval is not obtained, then the
Awards previously granted in reliance on the Amendments shall terminate.

                                       16

<PAGE>
                                     PROXY

                               CYLINK CORPORATION
                               910 Hermosa Court
                              Sunnyvale, CA 94086

          THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS
                    FOR THE ANNUAL MEETING ON MAY 22, 1998.

         Johm H. Daws and Robert B.  Fougner,  or either of them,  each with the
power of  substitution,  are hereby  authorized to represent and vote the shares
of the  undersigned, with all the powers which the undersigned  would possess if
personally  present, at the Annual Meeting of Shareholders of Cylink Corporation
(the  "Company"),  to be held on  Thursday,  May 22, 1998 at the  Sheraton  Four
Points  Hotel,  1100  North  Mathilda  Avenue,  Sunnyvale,  California,  and any
adjournment or postponement thereof.

         Election as Class 1, Class 2 or Class 3 directors of the nine  nominees
listed below to serve until the 1999,  2000 or 2001 Annual Meetings as indicated
below, and until their successors are elected and qualified.

Class 1 - to serve until the 1999 Annual Meeting:  Elwyn  Berlekamp,  King W. W.
Harris and Yossi Tulpan

Class 2 - to serve until the 2000 Annual Meeting:  Fernand B. Sarrat,  Howard L.
Morgan and William W. Harris

Class 3 - to serve until the 2001 Annual  Meeting:  Leo A.  Guthart,  William J.
Perry and James H. Simons

- -----------                                                          -----------
SEE REVERSE         CONTINUED AND TO BE SIGNED ON REVERSE SIDE       SEE REVERSE
   SIDE                                                                 SIDE
- -----------                                                          -----------

<PAGE>

[X] Plese mark
    votes as in
    this example.
<TABLE>
<CAPTION>
Shares represented by this proxy will be voted as directed by the shareholder.  If no such directions are indicated, the Proxies
will have authority to vote FOR the election of all directors, and FOR items 2 and 3.
The Board of Directors recommends a vote FOR the election of Directors and FOR proposals 2 and 3.
<S>                                                           <C>
                                                              2. To ratify and approve  amendments  to                          
                                                                 the Cylink  Corporation 1994 Flexible  FOR   AGAINST   ABSTAIN 
1. Election of Directors (see reverse):                          Stock Incentive Plan (the "Plan"), as  [ ]     [ ]       [ ]   
                                                                 amended, to (i)increase the number of                          
                     FOR         WITHHELD                        shares of Common  Stock  reserved for
                     [ ]            [ ]                          issuance   thereunder   by  2,100,000
                                                                 shares and (ii)  provide  that as of the first  business day of
                                              MARK HERE          each calendar year  beginning with January 1, 1999, the maximum
[ ]______________________________________     FOR ADDRESS [ ]    aggregate  number  of  shares  of  Common  Stock  reserved  for
   For all nominees except as noted above     CHANGE AND         issuance under the Plan will be increased, in the discretion of
                                              NOTE BELOW         the  Board of  Directors,  by up to 4% of the  number of shares
                                                                 outstanding  as of  December  31 of the  immediately  preceding
                                                                 calendar year.                                                 
                                                                                                                                
                                                              3. To ratify and approve the appointment                          
                                                                 of  Price   Waterhouse   LLP  as  the  FOR   AGAINST   ABSTAIN 
                                                                 Company's  independent  auditors  for  [ ]     [ ]       [ ]   
                                                                 the fiscal year ending  December  31,                          
                                                                 1998.                                                           
                                                                                                                                
                                                              4. In their  discretion,  the Proxies are  authorized to vote upon
                                                                 such   other   business  as may   properly   come   before  the 
                                                                 Annual Meeting.
                                                                                                                                
                                                                 PLESE  MARK,  SIGN,  DATE AND RETURN  THIS PROXY CARD  PROMPTLY
                                                                 USING THE ENCLOSED REPLY ENVELOPE.                             
                                                                                                                                
                                                                 Plese sign  exactly as your name appears  herein.  Joint owners
                                                                 should  each  sign.   When  signing  as   attorney,   executor,
                                                                 administrator,  trustee or guardian,  please give full title as
                                                                 such.


Signature:____________________________________ Date:___________  Signature:____________________________________ Date:___________
</TABLE>



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