DATAKEY INC
10KSB, 1999-03-30
MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 10-KSB
                                  ANNUAL REPORT

              ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934
                   For the fiscal year ended December 31, 1998

                           Commission file No. 0-11447

                                  DATAKEY, INC.
                 (Name of small business issuer in its charter)

         MINNESOTA                                          41-1291472
(State of incorporation or organization)    (I.R.S. Employer Identification No.)

              407 West Travelers Trail, Burnsville, Minnesota 55337
                    (Address of principal executive offices)

Issuer's telephone number, including area code:  (612) 890-6850
Securities registered pursuant to Section 12(b) of the Act:   NONE
Securities registered pursuant to Section 12(g) of the Act:   
                     Common Stock, par value $.05 per share
                                (Title of Class)

Check whether the Issuer (1) has filed all reports required to be filed by
Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding
12 months (or for such shorter period that the Issuer was required to file such
reports) and (2) has been subject to such filing requirements for the last 90
days.    YES X    NO ____

Check if there is no disclosure of delinquent filers pursuant to Item 405 of
Regulation S-B contained herein and no disclosure will be contained, to the best
of Issuer's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-KSB or any amendment to
this Form 10-KSB. [ ]

Issuer's revenues for its most recent fiscal year: $5,870,250.

The aggregate market value of the voting stock (Common Stock) held by
non-affiliates was approximately $4,800,000 based upon the closing sale price of
the Issuer's Common Stock on March 19, 1999.

As of March 19, 1999, there were 3,103,259 shares of the Issuer's Common Stock
outstanding.

                       DOCUMENTS INCORPORATED BY REFERENCE

         Part II of this Annual Report on Form 10-KSB incorporates by reference
information (to the extent specific sections are referred to herein) from the
Issuer's Annual Report to Shareholders for the year ended December 31, 1998 (the
"1998 Annual Report"). Portions of the Company's definitive Proxy Statement for
its Annual Meeting of Shareholders to be held on May 26, 1999 are incorporated
by reference pursuant to Rule 12b-23 into Items 9, 10 and 11 of Part III.

Transitional Small Business Disclosure Format (check one)  YES  [  ]   NO  [ X ]



<PAGE>


                                     PART I


ITEM 1.  DESCRIPTION OF BUSINESS

General

         Datakey, Inc. (the "Company") was incorporated under the laws of the
State of Minnesota in 1976 under the name "The Systems Group, Inc." In 1980, the
Company changed its name to Datakey, Inc. The Company provides product,
subsystem and system solutions to record, store and transmit electronic
information. Datakey also manufactures and sells products and systems directed
to the information security market which enable user identification and
authentication, secure data exchange and information validation. It also
provides OEM products, consisting of proprietary memory keys, cards and other
custom-shaped tokens that serve as a convenient way to carry electronic
information and are packaged to survive in portable environments.

         The Company's first portable memory products, consisting of an
electronic key and support electronics, were introduced in 1981 for applications
requiring convenient storage, transportation and management of information. The
Company's current products utilize semiconductor technology to provide a storage
device more versatile than conventional portable information products such as
keys, badges and magnetic stripe cards. The Company's current product line of
portable memory devices and associated interface products provide up to
16,384,000 bits of data storage which are used in a wide range of applications
including communications security, computer security, facility security, vending
and process control.

         Each of the Company's portable memory systems consist of one or more
portable memory devices, access devices and, for certain models, interface
modules containing microprocessors. These components, together with the user's
processor-based equipment, function as an integrated system allowing
instantaneous processing of personalized data carried within a portable data
carrier. Through the incorporation of advanced semiconductor memory technology,
the Company's portable memory device is able to store and carry substantial
amounts of information. When the memory device is used in conjunction and with
the other components of the Company's system, information can be selectively
altered, added to or erased, as required, to effectively and reliably manage or
control a particular activity or transaction.

         The Company has introduced end-user systems that utilize smart cards or
smart keys and are designed to provide advanced information security utilizing
digital signatures and encryption. These systems incorporate hardware and
software to provide a higher level of security than is obtainable with current
software only solutions.

Current Products and Products Under Development

Electronic Products (EP)

         Portable Memory Devices. Portable memory devices are electronic devices
which store information. They have a plastic exterior, are in the forms of keys,
cards, or custom shaped tokens and encapsulate semiconductor memory. Certain
devices have been designed to store information which may be retrieved, altered,
erased or updated; while other devices have been designed to store one-time
programmable information which may be retrieved but not altered or updated. The
storage capacities of the Company's portable memory devices range from 1,024

<PAGE>

bits to 16,384,000 bits. The portable memory devices are priced generally
between $2 and $100 per unit, depending on capacities and quantities purchased.

         Access Device. The access device is the element into which a portable
memory device is inserted to provide the interconnection between the portable
memory device and the electronic interface circuitry or the host processor-based
equipment. It is through this physical interconnection that the data contained
in the portable memory device is transmitted to the electronic interface or to
the host interface. Several models of the access device have been developed to
handle the Company's different portable memory devices. The access devices are
priced generally between $15 and $120 per unit, depending on models and
quantities purchased.

         Interface. The interface is the electronics control module between the
access device and a customer's processor-based equipment. This module is used
with the Company's serial communication key and contains all the necessary
electronics to control information within the key and to coordinate the
information requests of the host equipment. This communication process is
managed by the system's firmware, which is a software program existing within
the interface. For some applications, this firmware structures, secures and
verifies the information within the portable device, and may allow separate
groups or files of data to reside in a single portable device and be secure from
access except by equipment authorized to manage a particular group or file of
data. The interface is priced between $70 and $120 per unit, depending on models
and quantities purchased.

Integrated System Solutions (ISS)

         For the past three years, Datakey has been developing "token-based"
(smart card or smart key) products that provide advanced information security
solutions to the problems of organizations, worldwide. The first release of
these token-based information security systems was introduced in September 1997
and additional versions were introduced in 1998. In addition to other versions,
the Company expects to launch a new version of SignaSURE CIP in the second half
of 1999. The launch and success of such products is dependent on further
successful development efforts and market acceptance, along with other risks.
See "Forward Looking Statements."

         SignaSURE CIP. Password-based software programs that implement
public-key cryptography technology for information security offer easier
operation and improved data integrity over older symmetric cryptography
software. Password-based security, however, is insufficient for networks with
connections, such as the Internet, outside of the organization. The Company's
SignaSURE CIP (Cryptographic Interface Provider) is designed to solve this
problem, allowing the Internet to be used safely for electronic commerce.

         SignaSURE CIP allows users and value-added resellers to upgrade their
software-only systems to token-based information security and gain the benefit
of secure Internet operation. Token-based information security implements a
two-level security scheme--something that is owned (a hardware token) and
something that is known (a password to activate the token)--for a much stronger
level of security than password-based software solutions. SignaSURE CIP provides
token add-ons to Cryptoki (PKCS-11) standard information security interface
applications and for applications that incorporate Microsoft's CryptoAPI (API).
These products offer "load, plug and play" convenience for strong information
security.

         SignaSURE CIP products include a user-unique smart card or smart key
that holds the critical information to perform the cryptographic functions
necessary for information privacy and data integrity, a companion reader/writer
that plugs into a computer's serial port, PCMCIA port or floppy disk drive, and
software which is loaded into the workstation and interfaces to the application
program. The Company introduced, in September 1997, a version of SignaSURE CIP

<PAGE>

that utilizes the standard PKCS #11 (Cryptoki) Interface and then in January
1998, it released a version that utilizes either the PKCS#11 interface or
Microsoft's CryptoAPI.

         SignaSURE DTK. As public-key information security continues to grow,
due to the technology's adoption by well-known software companies such as
Microsoft and Netscape, software developers are implementing public-key
information security into their specialized applications. Because no easy method
was previously available for application developers to implement a token-based
public key infrastructure (PKI), the Company developed its SignaSURE DTK
(Developers Tool Kit) so that developers could easily and cost-effectively
launch their applications with the much stronger, token-based information
security.

         SignaSURE DTK is a turnkey package that the Company designed to allow
software developers to integrate Datakey hardware tokens and a PKI into their
applications. DTK includes up to three main components: hardware cryptographic
tokens, interface and integration software and security infrastructure products.
DTK is available in four configurations ranging from a token with a
reader/writer and integration software, to the full PKI configuration that
issues and manages hardware tokens and digital certificates. This product
flexibility allows user-developers who utilize SignaSURE DTK to integrate just
what is needed for their application. The Company began selling the SignaSURE
DTK in mid-1997.

         SignaSURE ESS. Many organizations have made the transition from large
mainframe systems to more flexible, but much less secure, client-server networks
and intranets. Client-server networks and intranets allow digital information to
reside on networks, rather than at the desktop so many authorized users can
access the same information. Authorized users may include company employees,
suppliers and customers who can be connected to the network, or located remotely
from the enterprise. With the advent of the Internet, information transmission
over any distance can be accomplished quickly and cost effectively, but not
securely. Datakey believes its SignaSURE ESS (Enterprise Security Suite) offers
a solution to manage a network, intranet and Internet computing structure to
allow only authorized users access to information. Information can then be
transmitted securely and stored safely on both private and public networks
without privacy and data integrity concerns.

         SignaSURE ESS is an integrated "end-to-end" data security system that
the Company believes will assure secure network access, confidential information
exchange, integrity of data and transaction non-repudiation. Secure,
personalized smart tokens are employed within a PKI to provide a higher level of
information security than is provided by software-only solutions. Security
functions are integrated into applications like Microsoft Office(TM), thereby
providing seamless security operation to the user. SignaSURE ESS will operate
over the Internet, and wide and local area networks enabling secure information
exchange for all users, whether local or remote to the enterprise.

         SignaSURE ESS includes a user-personalized smart card or smart key and
companion reader/writer for workstation or laptop that perform the functions
necessary for information privacy and data integrity. It also incorporates
client software that manages secure information and interfaces to applications,
and server-based, enterprise infrastructure hardware and software that
initialize SignaSURE ESS and continuously ensure that all users are authorized.
ESS also includes an optional secure stand-alone workstation to initialize cards
and provide backup of private keys for recovery purposes. The Company plans to
release SignaSURE ESS in the second half of 1999.


<PAGE>

         The following chart shows the Company's SignaSURE products:

                                           SignaSURE Product
Attribute                                  CIP    DTK    ESS
- ------------- --------------------------   ---    ---    ---
Customer      Organizational End-User       x             x
              Software Developer                   x   
                                                       
System Type   Integrated Solution                         x
              Add-on Subsystem              x          
              Component                            x   
                                                       
Application   Information Security          x             x
              Token Integration             x      x   
                                                       
Hardware      Datakey Smart Token           x      x      x
              Datakey Reader/Writer         x      x      x
                                                       
Software      Security Solution                           x
              Token Interface               x      x   
                                                     

Year 2000

         The Company's new products are designed to accept either two digits or
four digits in designating the year. As a result, these products can distinguish
the year 2000 from the year 1900; therefore, the Company does not believe the
year 2000 will cause any material problems. See also "Management's Discussion &
Analysis--Year 2000."


Research and Development

         During 1997 and 1998, the Company continued the development of portable
memory devices to expand its line of standard products as well as newly designed
custom products. The Company also continued its development of token-based
information security products.

         As the need for computer security products continues to grow, the
Company has been expending significant effort into development and improvement
of token-based computer information security systems. The Company's SignaSURE
line of information security products, which were initially released for sale
during 1997, are designed to provide encryption and digital signatures required
for electronically generated documents on computer networks.

         The technology involved in information security systems is undergoing
rapid expansion and advancement which could result in the development of new
products and systems which may make the Company's present information security
products obsolete. The initial development effort for the Company's information
security products was completed in 1997 but the Company must continue to improve
its present information security products in order to remain competitive.

         In 1998 and 1997, research and development expenses were $1,673,000 and
$3,186,000, respectively. The Company expects that research and development
expenses in 1999 will be greater than in 1998.


<PAGE>

Manufacturing

         The Company's in-house manufacturing capabilities include
microelectronic assembly, plastic injection molding, automated surface mount
assembly, and general electronic assembly. The Company also utilizes independent
subcontractors from time to time to perform certain manufacturing functions. The
Company provides a 90-day warranty on domestic sales, a 180-day warranty on
sales to its international distributors to cover the longer shelf life of the
Company's products, and a 180-day warranty on sales to the government.

         In an effort to more efficiently produce products, to reduce product
costs, and to increase its manufacturing flexibility, the Company intends to
continue to improve certain manufacturing processes and add capital equipment to
its manufacturing operations. While the Company believes that these steps will
provide a greater level of control over, and flexibility in, its manufacturing
processes, there are no assurances that the Company's ability to produce
products and to meet required delivery schedules will be sufficiently improved
to meet the demands created by increased sales and more complex manufacturing
processes.

Sources of Supply

         The Company purchases a microprocessor, with its proprietary operating
masked into the chip, from a single source supplier. The Company intends to
continue purchasing microprocessors from this supplier during 1999 but will
continue to evaluate alternative sources of supply.

         Due to the unique nature of these cryptographic microprocessors, there
are currently a limited number of alternative sources of supply and, due to
different operating systems and other characteristics, one supplier's
microprocessors are not easily interchanged with another. Should the present
source of supply become inadequate or inferior to other offerings in the future
or should it experience unforeseen Year 2000 issues, the Company will be
required to incur a significant cost and possibly experience a gap in supply to
switch to a new supplier.

         The Company has several qualified sources from which to purchase
printed circuit boards and electronic components for most of its standard
portable memory devices. The components for the Company's products are, in
general, available from multiple suppliers. Some of the plastic components are
molded on the Company's in-house molding equipment or suppliers' molding
equipment using Company-owned tooling.

         The Company purchases integrated circuits primarily through nationwide
multivendor distributors. If, for any reason, the Company would have to cancel
or reduce a particular integrated circuit order, it might thereafter have to pay
a higher price for the integrated circuits. Since general economic conditions
have an effect on the supply and cost of integrated circuits, there is no
guarantee that the Company will be able to obtain adequate quantities of
integrated circuits to meet all of its production needs during periods of short
supply.

Significant Customer

         The Company sells its electronic products to a number of commercial
original equipment manufacturers and other customers, including governmental
entities. At this time, the Company is not dependent on any one customer or few
customers, the loss of which would have a material adverse effect on its
business.


<PAGE>

Marketing

         General. While there appears to be a broad range of applications and
potential customers for portable memory devices, no single application group has
evidenced strong, long-term growth potential. The diversity of potential
applications has made it difficult for the Company to focus its limited
marketing resources. In 1997, sales to EP customers decreased to $5,868,000, and
in 1998 they decreased to $5,241,000. As sales to new customers come on line,
the Company believes that commercial EP sales may increase in 1999.

         ISS products for the information security marketplace were introduced
in 1997 and resulted in revenue of $629,000 during 1998. In 1999, the Company
expects revenue from these products to increase significantly as additional
pilot programs are commenced and certain customers convert into production mode.
As with any new product line, revenue will depend on customer acceptance, the
extent of which is difficult to assess at this time.

         Market for EP Products. To date, most applications in the commercial
and government market have used the Data Key for electronic security and
equipment control applications. The Company is seeking to develop other
long-term business in this market. The Company markets its products to domestic
and international customers using the following channels:

                  Domestic. The Company markets its portable memory devices
domestically through a combination of direct and indirect sales personnel. In
addition, it utilizes advertising, trade shows and direct mail to reach its
buying audience. In 1998 and 1997, EP sales to domestic customers, and the
corresponding percentage of total revenue, were approximately $3,650,000 (62%)
and $4,068,000 (68%), respectively.

                  International. The Company presently markets its portable
memory devices internationally through an independent sales agent in the United
Kingdom and agents and/or distributors in Australia, Belgium, the Netherlands,
Germany, Ireland, Spain, Italy and Sweden. The Company has customers in other
countries who are handled on a direct basis from the Company's headquarters in
the United States. The Company intends to expand into other international market
areas in the future. In 1998 and 1997, EP sales to international customers, and
the corresponding percentage of total revenue, were approximately $1,591,000
(27%) and $1,800,000 (30%), respectively.

         Market for ISS Products. Datakey markets and sells its advanced
information security products (the initial offerings in its ISS line) through a
combination of direct sales and marketing personnel, dealers, distributors,
value added resellers and system integrators/developers.

         The direct sales and marketing personnel concentrate primarily on
relationships with large security-conscious organizations either through direct
or indirect contact, establishing alliances with system integrators/developers
and setting up dealer/distributor relationships for its products. The future
revenue of Datakey ISS products is dependent on the success of a new and
untested marketing and direct sales organization. Also, see "Outlook and Risks"
in the Management's Discussion and Analysis contained in the Company's 1998
Annual Report, portions of which are included in Exhibit 13.1 of this Report.

Backlog

         As of March 13, 1999, the Company had an order backlog, totaling
approximately $2,053,000, including approximately $748,000 with no scheduled
shipment date or with scheduled shipment dates after 1999. Although the orders

<PAGE>

generally contain scheduled shipment dates, they may be accelerated, delayed or
canceled at the customer's request. The Company does not believe that the
current backlog is necessarily indicative of future backlog levels.

Competition

         Electronic Products. The Company's primary competition for electronic
products sold to original equipment manufacturers is presently, and is expected
to remain, conventional portable information systems, such as keys and cards,
and more advanced portable information systems including those in the familiar
credit card format, such as "smart cards," Personal Computer Memory Card
Industry Association (PCMCIA) cards, magnetic stripe cards, bar-code cards and
laser technology cards. The Company's products, when used as a portable data
base, may also compete with centralized data base systems. Many of the
manufacturers of these portable information devices and systems are large,
well-established companies.

         A number of European and Japanese firms continue to develop and refine
the smart card technologies. Some of these companies have established branch
offices in the United States to explore the United States market. To date, the
smart card has been used primarily in Europe, where it has been implemented
extensively in prepaid telephone systems and more recently in loyalty programs
and various cashless vending applications. In the United States, smart cards are
currently being used mainly in field trial environments. Although the Company
does not have complete information about the status of these trials, the Company
believes that, in time, the smart card will be successfully developed and could
become a competitor, especially in those markets which have a history of using a
card or a preference for card-type devices.

         Memory cards, such as PCMCIA standard cards, are functionally
equivalent to the Company's portable memory devices in that they utilize
semiconductor memory in card-shaped devices made of plastic. Memory cards
generally have larger memory capacities than the devices currently offered by
the Company and historically incorporated volatile, battery-backed memory
elements. More recently, nonvolatile (principally "Flash Memory") memory
elements which do not require battery backup have become more prominent. They
are used in such applications as laser printer fonts, instrumentation,
electronic lettering machines and fax/modems, and are also used as replacements
or "add ons" to diskettes and hard drives for data storage in certain desktop,
notebook and smaller portable computers.

         Magnetic stripe cards are relatively inexpensive and are used
extensively in the access control industry and in the banking and credit card
industries. These markets are not priority markets for the Company's portable
information devices. Magnetic stripe cards are not conveniently updated, have
limited storage capacity and generally have a useful life of one or two years.
As a result, the Company believes its products are technologically superior and
may be more cost-effective for applications requiring more complex technologies.

         Other portable memory devices, including one in a "button" form and
others in shapes similar to the Data Key, are becoming more common in the
marketplace. Many of these competing devices utilize similar semiconductor
components and electronic interfaces. The Company expects competition from these
alternative devices to continue in the future.

         Another technology utilizes a strip of reflective material which is
laminated into a card. Information is inscribed on this material through use of
a laser beam. Since these cards can contain several million bits of information,
the Company believes that this technology will be a competitor in portable
information markets where very large information storage capacities are required
and instantaneous management of information is not essential.


<PAGE>

         The Company's ability to compete in the portable information market
will depend primarily on its ability to demonstrate superior product performance
at cost-effective prices and on the enhanced features of its system which make
it more effective than competing systems.

         Integrated System Solutions. Datakey currently offers token-based
(smart card, smart key) information security systems which are primarily
utilized in encryption for electronic mail privacy, private and secure file
transfer and digital signatures for electronic document authentication. The
Company is continuing a significant product development effort to expand the
applications and ease-of-use of its products and systems. See
"Products--Integrated System Solutions."

         Competition in the information security business is varied with
companies offering hardware solutions, software solutions and combinations of
hardware and software solutions. As awareness for security on the Internet,
company intranets and on other local area networks has increased over the past
few years, many companies have introduced software and/or hardware based
products to provide security. These products range from software-based password
only systems to firewalls, which may be very sophisticated. Other applications
are using hand held hardware devices, commonly referred to as tokens, to provide
access to networks and, in some cases, use encryption and digital signatures to
further secure networks.

         The Company's advanced information security products, some of which are
released and some of which are currently in development, are based upon a smart
card or smart key and utilize encryption and digital signatures. They also
include extensive software to make the system user-friendly and seamless with
common desktop software packages. The Company feels this will provide a unique
combination of advanced security features at a reasonable selling price. There
are several companies operating in this highly competitive and rapidly changing
marketplace, however, and many of such companies have strong name recognition
and vast financial resources. The Company believes it can compete on the basis
of its unique design and ease of use. The initial reception to the Company's
products in the marketplace, beginning in late 1997, has been encouraging and
sales of evaluation units and units for pilot programs have been progressing
very well. There are no assurances, however, that the existing and future
products will, in the long term, be accepted in the marketplace.

Patents and Trademarks

         The Company has been granted several patents by the United States
Patent and Trademark Office relative to the Data Key, its key interface and its
overall portable information device technology. The Company has sought and will,
when appropriate, continue to seek patent protection in several foreign
countries. The federal registration of the Datakey trademark was approved in
1985. In an industry characterized by rapid technological change, the Company
believes that the knowledge, experience and creativity of its employees will
prove to be more important than patent protection.

Employees

         As of March 13, 1999, the Company employs 60 full-time employees, 15 of
whom are involved in manufacturing, 3 in materials handling, 2 in quality
assurance, 14 in engineering, 16 in marketing/sales and 10 in general and
administrative areas. In addition, the Company uses contract labor during peak
production times and for major projects. The Company's employees are not subject
to a collective bargaining agreement, and the Company believes that its employee
relations are good.


<PAGE>

Forward Looking Statements

Certain statements made in this Form 10-KSB, which are summarized here, are
forward-looking statements that involve risk and uncertainties, and actual
results may be materially different. Factors that could cause actual results to
differ include, but are not limited to, those identified:

o    The expectation that Datakey in the second half of 1999 will introduce
     SignaSURE ESS and a new version of SignaSURE CIP, is subject to the risk of
     unanticipated problems or delays in development and depends upon market
     acceptance and demand, as well as other general market conditions and
     competitive conditions within this market, including the introduction of
     products by competitors.
o    The expectation that the Company will continue to improve its manufacturing
     processes, leading to more efficient production, depends on the Company's
     ability to monitor such processes and to add capital equipment to its
     manufacturing operations.
o    The expectation that commercial EP sales may increase in 1999 depends on
     acceptance by new customers identified by the Company's sales
     representatives, as well as other general market conditions and competitive
     conditions.
o    The expectation that the Company will expand sales in international markets
     depends on the acceptance of its products in such markets, the quality and
     performance of the Company's products as compared to competitive products,
     the effectiveness of relatively new marketing and sales personnel, and
     other general market and competitive conditions within such markets.

ITEM 2.  DESCRIPTION OF PROPERTY

         The Company's corporate offices and manufacturing facility, located at
407 West Travelers Trail, Burnsville, Minnesota, consists of 18,488 square feet.
Approximately one-half of the space is used for manufacturing and warehousing,
and the balance for present and future office space. All of this space is rented
under a lease which extends through June 1999. The Company also utilizes
approximately 2,400 square feet in a nearby office under a sublease that expires
in May 1999. The annualized rent expense for the space currently occupied is
$160,000, plus a portion of the operating expenses and real estate taxes. The
Company is currently negotiating with its present landlord to extend its lease
for an additional five years and to add approximately 6,500 square feet of
adjoining space to provide for relocation of personnel from the nearby office
and also for future expansion. The Company is also evaluating proposals from two
other parties for similar space in the nearby vicinity. The Company intends to
make a decision on space by April 15, 1999.

ITEM 3.  LEGAL PROCEEDINGS

         There are no material legal proceedings pending to which the Company is
a party or of which any of its property is the subject.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

         There were no matters submitted to a vote of security holders during
the fourth quarter of fiscal year 1998.


<PAGE>

                                     PART II

ITEM 5.           MARKET FOR COMMON EQUITY AND RELATED STOCKHOLDER MATTERS

         The Company's common stock is traded on the Nasdaq National Market
System under the symbol DKEY. The high and low sale prices for the common stock
by quarter as reported by Nasdaq are set forth in the following table for 1998
and 1997.

         On March 12, 1999, the Company had approximately 1,100 shareholders,
including approximately 800 beneficial owners. The Company has never paid
dividends on its common stock and does not plan to in the foreseeable future.
                                                         Sale Prices
                                                    High      Low
1998
   1st Quarter.................................     $4        $2 3/4
   2nd Quarter.................................     $7 1/2    $2 5/8
   3rd Quarter.................................     $6 7/8    $2 7/8
   4th Quarter.................................     $3 3/4    $1 15/16

1997
   1st Quarter.................................     $4 7/8    $2 1/4
   2nd Quarter.................................     $4 7/8    $1 7/8
   3rd Quarter.................................     $4 1/4    $3
   4th Quarter.................................     $4 1/4    $3 1/8

ITEM 6.  MANAGEMENT'S DISCUSSION AND ANALYSIS OR PLAN OF OPERATION

         The information required by Item 6 is incorporated by reference from
the Company's 1998 Annual Report, a portion of which is included herewith in
Exhibit 13.1 to this Report.

ITEM 7.  FINANCIAL STATEMENTS

         The following financial statements of the Company are included
as part of Exhibit 13.1 to this Report:

                                                                          
         Independent Auditor's Report                                     
         Consolidated Balance Sheets as of December 31, 1998 and 1997     
         Consolidated Statements of Operations for Years Ended
            December 31, 1998 and 1997                                    
         Consolidated Statements of Stockholders' Equity for Years 
            Ended December 31, 1998 and 1997                              
         Consolidated Statements of Cash Flows for Years Ended 
            December 31, 1998 and 1997                                    
         Notes to Consolidated Financial Statements                       



<PAGE>

ITEM 8.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
         FINANCIAL DISCLOSURE

         None.

                                    PART III

ITEM 9.  DIRECTORS, EXECUTIVE OFFICERS, PROMOTERS AND CONTROL PERSONS, 
         COMPLIANCE WITH SECTION 16(a) OF THE EXCHANGE ACT

         The information required by Item 9 regarding the Company's directors
and executive officers is incorporated by reference to the Company's proxy
statement for its 1999 Annual Meeting of Shareholders under the captions
"Determination of Number and Election of Directors" and "Executive Officers of
the Company." The Company's proxy statement will be filed pursuant to Rule 14a-3
within 120 days after the close of the fiscal year for which this report is
filed.

         The information relating to compliance with Section 16(a) of the
Exchange Act is incorporated by reference to the Company's proxy statement for
its 1999 Annual Meeting of Shareholders under the caption "Section 16(a)
Beneficial Ownership Compliance."

ITEM 10. EXECUTIVE COMPENSATION

         The information required by Item 10 is incorporated by reference to the
Company's proxy statement for its 1999 Annual Meeting of Shareholders under the
caption "Executive Compensation."

ITEM 11. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

         The information required by Item 11 is incorporated by reference to the
Company's proxy statement for its 1999 Annual Meeting of Shareholders under the
caption "Security Ownership of Management and Certain Beneficial Owners."

ITEM 12. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         None.

ITEM 13. EXHIBITS AND REPORTS ON FORM 8-K

         (a)      Exhibits

         The following exhibits are included in this report: See "Exhibit Index"
immediately following the financial statements following the signature page of
this Form 10-KSB.

         (b)      Reports on Form 8-K

         No reports on Form 8-K were filed by the Company during the quarter
ended December 31, 1998.



<PAGE>

                                   SIGNATURES

         Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Issuer has caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

Dated:  March 30, 1999                DATAKEY, INC.


                                      BY:   /s/ Carl P. Boecher
                                            Carl P. Boecher
                                            Chief Executive Officer and Director
                                            (Principal Executive Officer)

         Pursuant to the requirements of the Securities Exchange Act of 1934,
this report has been signed by the following persons on behalf of the Company,
in the capacities, and on the dates, indicated:

                                POWER OF ATTORNEY

         Each person whose signature appears below constitutes and appoints Carl
P. Boecher and Alan G. Shuler as his true and lawful attorneys-in-fact and
agents, each acting alone, with full power of substitution and resubstitution,
for him and in his name, place and stead, in any and all capacities, to sign any
or all amendments to this Annual Report on Form 10-KSB and to file the same,
with all exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, acting alone, full power and authority to do and perform each and every
act and thing requisite and necessary to be done in and about the premises, as
fully to all intents and purposes as he might or could do in person, hereby
ratifying and confirming said attorneys-in-fact and agents, acting alone, or his
substitute or substitutes, may lawfully do or cause to be done by virtue
thereof.

SIGNATURES                     TITLES                                  DATE
                         
/s/ Carl P. Boecher          Chief Executive Officer and         March 30, 1999
Carl P. Boecher              Director (Principal Executive
                             Officer)
                         
/s/ Alan G. Shuler           Vice President and Chief            March 30, 1999
Alan G. Shuler               Financial Officer (Principal
                             Financial and Accounting Officer)
                         
/s/ Thomas R. King           Director and Secretary              March 30, 1999
Thomas R. King           
                         
/s/ Terrence W. Glarner      Director                            March 30, 1999
Terrence W. Glarner      
                         
/s/ Gary R. Holland          Chairman of the Board of            March 30, 1999
Gary R. Holland              Directors
                         
/s/ Eugene W. Courtney       Director                            March 30, 1999
Eugene W. Courtney       
                         
/s/ John H. Underwood        Director                            March 30, 1999
John H. Underwood        
                       

<PAGE>



                                  DATAKEY, INC.

                         EXHIBIT INDEX TO ANNUAL REPORT
                                 ON FORM 10-KSB
                   For the Fiscal Year Ended December 31, 1998

Exhibit 
 No.         Description

3.1      Restated Articles of Incorporation, as amended 

3.2      Bylaws, as Amended (Incorporated by reference to Exhibit 3.2 to Form
         10-K for fiscal year ended December 31, 1988)

10.1     1987 Datakey, Inc. Stock Option Plan (Incorporated by reference to
         Exhibit 10.7 to Form 10-K for fiscal year ended December 31, 1987)*

10.2     Amendment dated March 15, 1991 to 1987 Datakey, Inc. Stock Option Plan
         (Incorporated by reference to Exhibit 10.5 to Form 10-K for fiscal year
         ended December 31, 1991)*

10.3     Amendments dated July 1, 1995 and March 19, 1996 to 1987 Datakey, Inc.
         Stock Option Plan (Incorporated by reference to Exhibit 10.5 to Form
         10-KSB for fiscal year ended December 31, 1996)*

10.4     License Agreement between CTS Corporation and the Company dated March
         9, 1988 (Incorporated by reference to Exhibit 10.8 to Form 10-K for
         fiscal year ended December 31, 1987)

10.5     Lease between the Company and Kraus-Anderson, Inc. dated June 3, 1987,
         as amended on February 10, 1988, December 23, 1988, February 13, 1992
         and April 1, 1992 (Incorporated by reference to Exhibit 10.12 to Form
         10-K for fiscal year ended December 31, 1991)

10.6     Manufacturing Agreement between Duncan Industries and the Company dated
         August 27, 1993 (Incorporated by reference to Exhibit 10.16 to Form
         10-KSB for fiscal year ended December 31, 1993)

10.7     Employment Agreement between Alan G. Shuler and the Company dated
         January 1, 1995 (Incorporated by reference to Exhibit 10 to Form 10-QSB
         for fiscal year ended July 1, 1995)*

10.8     Consulting Agreement between Gary R. Holland and the Company dated
         November 1, 1995 (Incorporated by reference to Exhibit 10.19 to Form
         10-KSB for fiscal year ended December 31, 1995)*

10.9     Amendment dated February 11, 1997 to Consulting Agreement between Gary
         R. Holland and the Company dated November 1, 1995 (Incorporated by
         reference to Exhibit 10.18 to Form 10-KSB for fiscal year ended
         December 31, 1996)*

10.10    Employment Agreement between Carl P. Boecher and the Company dated
         January 1, 1997 (Incorporated by reference to Exhibit 10.19 to Form
         10-KSB for fiscal year ended December 31, 1996)*

10.11    Separation Agreement and Release between John H. Underwood and the
         Company dated January 1, 1997 (Incorporated by reference to Exhibit
         10.20 to Form 10-KSB for fiscal year ended December 31, 1996)*


<PAGE>

10.12    1997 Management Incentive Plan, as amended March 10, 1997 (Incorporated
         by reference to Exhibit 10 to Form 10-QSB for fiscal quarter ended June
         28, 1997)*

10.13    Lease Amendment No. 5 dated December 17, 1996 to Lease between the
         Company and Kraus-Anderson, Inc. dated June 3, 1987 (Incorporated by
         reference to Exhibit 10.22 to Form 10-KSB for fiscal year ended
         December 31, 1996)

10.14    Employment Agreement between Michael L. Sorensen and the Company dated
         April 16, 1997 (Incorporated by reference to Exhibit 10.14 to Form
         10-KSB for fiscal year ended December 31, 1997)*

10.15    1997 Stock Option Plan (Incorporated by reference to Exhibit 10.15 to
         Form 10-KSB for fiscal year ended December 31, 1997)*

10.16    Forms of Incentive and Nonqualified Stock Option Agreements under 1997
         Stock Option Plan (Incorporated by reference to Exhibit 10.16 to Form
         10-KSB for fiscal year ended December 31, 1997)*

13.1     Portions of 1998 Annual Report, including 1998 Financial Statements and
         Management's Discussion and Analysis

21.1     Subsidiaries of the Company (Incorporated by reference to Exhibit 21.1
         to Form 10-KSB for fiscal year ended December 31, 1994)

23.1     Independent Accountant's Consent

24.1     Power of attorney for Carl P. Boecher, Alan G. Shuler, Thomas R. King,
         Terrence W. Glarner, Gary R. Holland, Eugene W. Courtney and John H.
         Underwood (included on the signature page of this Form 10-KSB)

27       Financial Data Schedule (filed with electronic version only)

* Designates a management contract or compensatory plan or arrangement.




                                 CERTIFICATE OF
                      RESTATED ARTICLES OF INCORPORATION OF
                                  DATAKEY, INC.



         We the undersigned William P. Flies and Thomas R. King, respectively
the president and secretary of Datakey, Inc., a corporation subject to the
provisions of the Minnesota Business Corporations Act, do hereby certify that,
pursuant to action taken by the directors of the Corporation at a regularly
scheduled meeting thereof and a majority vote of the outstanding shares of the
Corporation present in person or by proxy at an annual meeting thereof, the
Corporation effective as of May 24, 1982 elected to become governed by Minnesota
Statutes Ch. 302A and, in addition, approved and adopted the following Restated
Articles of Incorporation to supercede and take place of the existing Articles
of Incorporation.

                                    ARTICLE I

         The name of the Corporation is Datakey, Inc.


                                   ARTICLE II

         The registered office of this Corporation is located at 12281 Nicollet
Avenue South, Burnsville, Minnesota, 55337.

                                   ARTICLE III

         3.01 The aggregate number of shares of stock which this Corporation
shall have the authority to issue is 5,000,000. All common stock issued by the
Corporation shall have a par value of $.05 per share.

         3.02. The board of directors may from time to time establish by
resolution different classes or series of shares and may fix the rights and
preferences of said shares in any class or series.

         3.03. No shareholder of the Corporation shall have any preemptive
rights.

         3.04. No shareholder shall be entitled to any cumulative voting rights.

         3.05. The shareholders shall take action by the affirmative vote of the
holders of a majority of the voting power of all voting shares outstanding,
except where a larger proportion is required by law, these articles or a
shareholder control agreement.

                                   ARTICLE IV

         The name and address of the original incorporator of this Corporation
is: William P. Flies, 12808 Woodview Lane, Burnsville, Minnesota, 55337.

                                    ARTICLE V

         The names and addresses of the present board of directors are:

         William P. Flies                            Richard A. Walter
         12281 Nicollet Avenue                       10101 E. Bren Road
         Burnsville, MN  55337                       Minnetonka, MN  55343

         Thomas R. King                              Timothy P. Stepanek
         600 Midwest Plaza Bldg.                     1730 Midwest Plaza Bldg.
         Minneapolis, MN  55402                      Minneapolis, MN  55402


         IN WITNESS WHEREOF, we have hereunto set our hands this 24th day of
May, 1982.

                                                   /s/ William P. Flies  
                                          William P. Flies, President

                                                   /s/ Thomas R. King     
                                          Thomas R. King, Secretary

STATE OF MINNESOTA         )
                           ) ss.
COUNTY OF HENNEPIN         )

         William P. Flies and Thomas R. King, being duly sworn on oath, depose
and say that they are, respectively, the president and secretary of Datakey,
Inc., the corporation named in the foregoing certificate; that said certificate
contains a true statement of the action of the shareholders and board of
directors of said corporation; that said certificate is executed on behalf of
said corporation by its express authority; and that they further acknowledge the
same to be their free act and deed and the free act, and deed of said
corporation.

                                            /s/ William Flies                  

                                            /s/ Thomas R. King  

Subscribed and sworn to before me this 24th day of May, 1982.

                                           /s/ Elizabeth A. Forehand
                                           Notary Public - Minnesota
                                           Hennepin County
                                           My commission expires 3-13-87

<PAGE>



                            OFFICERS' CERTIFICATE OF
                                  DATAKEY, INC.

         We, the undersigned, John H. Underwood and Thomas R. King, the
respective President and Secretary of Datakey, Inc., a corporation subject to
the provisions of Minnesota Statutes, Chapter 302A, do hereby certify that the
Minutes of Action Without Meeting of the Board of Directors of the corporation
dated December 23, 1985, a copy of which is attached hereto and incorporated
herein by reference, in which the Board of Directors authorized the issuance of
Preferred Stock, were unanimously adopted and approved by such Board of
Directors.
         IN WITNESS WHEREOF, we have subscribed our names this 23rd day of
December, 1985.

                                                        /s/ John H. Underwood 
                                               John H. Underwood
                                               President


                                                        /s/ Thomas R. King   
                                               Thomas R. King
                                               Secretary

STATE OF MINNESOTA         )
                           ) ss.
COUNTY OF HENNEPIN         )
         On this 23rd day of December, 1985, before a Notary Public within and
for said County, personally appeared John H. Underwood and Thomas R. King, to me
personally known, being by me duly sworn, and did say that they are the
President and Secretary, respectively, of the corporation named above and that
the said instrument was signed on behalf of the corporation and the persons who
signed said instrument acknowledged it to be the free act and deed of said
corporation.

                                                /s/ Diane M. Dossetto
                                                Notary Public - Minnesota
                                                Ramsey County
                                                My commission expires 7-10-90


<PAGE>


                        MINUTES OF ACTION WITHOUT MEETING
                          OF THE BOARD OF DIRECTORS OF
                                  DATAKEY, INC.

         The undersigned, being all of the members of the Board of Directors of
Datakey, Inc., hereby adopt, by action without meeting, the following
resolutions to be effective as of December 23, 1985, to-wit:

         RESOLVED: That the Preferred Stock authorizing resolutions, which
         resolutions are attached hereto as Exhibit A and which resolutions
         establish a class of Convertible Preferred Stock be and they hereby are
         adopted.

         FURTHER RESOLVED: That the officers of the corporation be, and they
         hereby are, authorized and directed to take whatever action is
         necessary to effect the foregoing resolutions.


                                       /s/ John H. Underwood
                                       John H. Underwood


                                       /s/ William P. Flies
                                       William P. Flies


                                       /s/ Timothy A. Stepanek
                                       Timothy A. Stepanek


                                       /s/ Thomas R. King
                                       Thomas R. King



<PAGE>


                                    EXHIBIT A


                                MINUTES OF ACTION
                             WITHOUT MEETING OF THE
                       BOARD OF DIRECTORS OF DATAKEY, INC.



         The undersigned, being all of the members of the Board of Directors of
Datakey, Inc., hereby adopt, by action without meeting, the following resolution
to be effective as of December 23, 1985, to-wit:

         WHEREAS, the Articles of Incorporation of Datakey, Inc., a Minnesota
corporation, authorize the corporation to issue an aggregate of 5,000,000 shares
of capital stock and empower the corporation's Board of Directors to establish
from time to time by resolution different classes or series of shares and to fix
the rights and preferences of said shares in any class or series; and

         WHEREAS, there currently are outstanding 2,979,750 shares of Common
Stock, the remaining 2,020,250 authorized shares of capital stock being
undesignated; and

         WHEREAS, the corporation's Board of Directors deems it to be in the
best interests of the corporation and its shareholders to establish a second
class of capital stock, Convertible Preferred Stock, having certain rights and
preferences;

         NOW, THEREFORE, BE IT RESOLVED, that the 5,000,000 shares of capital
stock authorized by the Articles of Incorporation of this corporation be, and
they hereby are, designated as belonging to the following classes having the
relative rights and preferences set forth below:

Section 1.        Shares and Classes Authorized.

         Of the 5,000,000 shares which the corporation is authorized to issue,
4,000,000 shares shall be designated Common Stock, par value $.05, 400,000
shares shall be designated Convertible Preferred Stock and 600,000 shares shall
be undesignated capital stock.

Section 2.        Right and Preferences of Convertible Preferred Stock.

         The rights and preferences of the 400,000 shares of Convertible
Preferred Stock shall be as set forth in Exhibit 1 which is attached hereto and
made a part hereof.


                                          /s/ William P. Flies
                                          William P. Flies


                                          /s/ John H. Underwood
                                          John H. Underwood


                                          /s/ Timothy A. Stepanek
                                          Timothy A. Stepanek


                                          /s/ Thomas R. King
                                          Thomas R. King





<PAGE>


                                                                      EXHIBIT 1


                      CERTIFICATE OF RIGHTS AND PREFERENCES
                                       OF
                           CONVERTIBLE PREFERRED STOCK
                                       OF
                                  DATAKEY, INC.


(A).     Classification of Undesignated Shares.

         Of the 1,000,000 undesignated shares which the corporation is
authorized to issue under its Articles of Incorporation, 400,000 of such shares
shall all be classified as shares of Convertible Preferred Stock of the
corporation (the "Preferred Stock"). Such shares of Preferred Stock, together
with the 4,000,000 authorized shares of Common Stock of the corporation (the
"Common Stock") and the balance of the undesignated shares of the corporation,
are sometimes hereinafter collectively referred to as the "capital stock".

(B).     Voting Privileges.

                  (a) General. Each holder of Preferred Stock shall have that
number of votes on all matters submitted to the stockholders that is equal to
the number of shares of Common Stock into which such holder's shares of
Preferred Stock are then convertible, as hereinafter provided. Except as
otherwise provided in subparagraph (b) below, and except as otherwise required
by agreement or law, the shares of capital stock of the corporation shall vote
as a single class on all matters submitted to the stockholders.

                  (b) Without the affirmative vote of the holders (acting
together as a class) of at least a majority (with respect to (1) below) or at
least 90% (with respect to (2) below) of the shares of Preferred Stock at the
time outstanding, the corporation shall not:

         (1)      authorize or issue any shares of stock having a priority over
                  Preferred Stock or ranking on a parity therewith as to the
                  payment or distribution of assets upon the liquidation or
                  dissolution, voluntary or involuntary, of the corporation; or

         (2)      amend the Articles of Incorporation of the corporation so as
                  to alter any existing provision relating to Preferred Stock.

                  (c) No Cumulative Voting. No holder of shares of capital stock
shall have any cumulative voting rights.

(C).     No Preemptive Rights.

         No holder of shares of any class of capital stock shall be entitled as
such, as a matter of right, to subscribe for, purchase or receive any part of
any new or additional issue of stock of any class whatsoever, or of securities
convertible into or exchangeable for any stock of any class whatsoever, whether
now or hereafter authorized and whether issued for cash or other consideration
or by way of dividend.

(D).     Cash Dividends.

         Any dividend declared must be payable with respect to all outstanding
shares of capital stock of the corporation. In the event any dividend is
declared with respect to the capital stock, each holder of Preferred Stock shall
be paid such cash dividend on the basis of the number of shares of Common Stock
into which such holder's shares of Preferred Stock are then convertible, as
hereinafter provided.

(E).     Other Terms of the Preferred Stock.

                  (a) Liquidation Preference. In the event of either an
involuntary or a voluntary liquidation or dissolution of the corporation, the
holders of shares of Preferred Stock shall be entitled to receive out of the
assets of the corporation an amount equal to $2.50 per share. In the event of
either an involuntary or voluntary liquidation or dissolution of the
corporation, payment shall be made to the holders of the Preferred Stock in the
amounts herein fixed before any payment shall be made or any assets distributed
to the holders of the Common Stock or any other class of shares of the
corporation ranking junior to the Preferred Stock with respect to payment of
dividends or upon dissolution or liquidation of the corporation. If upon any
such liquidation or dissolution of the corporation the assets available for
distribution `shall be insufficient to pay the holders of all outstanding shares
of Preferred Stock the full amounts to which they respectively shall be
entitled, the holders of such shares shall share pro rata in any such
distribution.

                  The merger or consolidation of the corporation into or with
another corporation or the merger or consolidation of any other corporation into
or with the corporation (in which consolidation or merger the stockholders of
the corporation receive distribution of cash or securities or other property as
a result of such consolidation or merger), or the sale, transfer or other
disposition of all or substantially all of the assets of the corporation, shall
be deemed, for purposes of determining the amounts to be received by the holders
of the Preferred Stock in such merger, consolidation, sale, transfer or other
disposition, to be a liquidation or dissolution of the corporation for purposes
of this subparagraph (a) if the holders of a majority of the outstanding shares
of Preferred Stock so elect by giving written notice thereof to the corporation
at least two days before the effective date of such event. If no such notice is
given, the provisions of subparagraph (c)(7) hereof shall apply.

                  Nothing hereinabove set forth shall affect in any way the
right of each holder of shares of Preferred Stock to convert such shares at any
time and from time to time in accordance with subparagraph (c) below.

                  (b) Redemptions. Redemptions of shares of Preferred Stock by
the corporation without the consent of the holders thereof are not permitted.
Mandatory redemptions of shares of Preferred Stock by the corporation are not
required.

                  (c) Conversion Right; Mandatory Conversion. At the option of
the holders thereof, the shares of Preferred Stock shall be convertible, at the
office of the corporation (or at such other office or offices, if any, as the
Board of Directors may designate), into fully paid and nonassessable shares
(calculated as to each conversion to the nearest 1/100th of a share) of Common
Stock of the corporation, at the conversion price, determined as hereinafter
provided, in effect at the time of conversion, each share of the Preferred Stock
being taken at $2.50 for the purpose of such conversion. The price at which
shares of Common Stock shall be delivered upon conversion (herein called the
"conversion price") shall be initially $2.50 per share of Common Stock (i.e., at
an initial conversion rate of one share of Common Stock for each share of
Preferred Stock), provided, however, that such initial conversion price shall be
subject to adjustment from time to time in certain instances as hereinafter
provided. The following provisions shall govern such right of conversion:

         (1)      In order to convert shares of Preferred Stock into shares of
                  Common Stock of the corporation, the holder thereof shall
                  surrender at any office hereinabove mentioned the certificate
                  or certificates therefor, duly endorsed to the corporation or
                  in blank, and give written notice to the corporation at such
                  office that such holder elects to convert such shares. Shares
                  of Preferred Stock shall be deemed to have been converted
                  immediately prior to the close of business on the day of the
                  surrender of such shares for conversion as herein provided,
                  and the person entitled to receive the shares of Common Stock
                  of the corporation issuable upon such conversion shall be
                  treated for all purposes as the record holder of such shares
                  of Common Stock at such time. As promptly as practicable on or
                  after the conversion date, the corporation shall issue and
                  deliver or cause to be issued and delivered at such office a
                  certificate or certificates for the number of shares of Common
                  Stock of the corporation issuable upon such conversion.

         (2)      The conversion price shall be subject to adjustment from time
                  to time as hereinafter provided. Upon each adjustment of the
                  conversion price each holder of shares of Preferred Stock
                  shall thereafter be entitled to receive the number of shares
                  of Common Stock of the corporation obtained by multiplying the
                  conversion price in effect immediately prior to such
                  adjustment by the number of shares issuable pursuant to
                  conversion immediately prior to such adjustment and dividing
                  the product thereof by the conversion price resulting from
                  such adjustment.

         (3)      Except for the issuance of Conversion Stock and Warrant Stock
                  (as those terms are defined in the Preferred Stock Purchase
                  Agreement dated December 16, 1985 among the corporation and
                  the Purchasers named therein) (a) if and whenever on or prior
                  to June 30, 1987 the corporation shall issue or sell any
                  shares of its Common Stock for a consideration per share less
                  than the conversion price in effect immediately prior to the
                  time of such issue or sale, then forthwith upon such issue or
                  sale the conversion price shall be reduced to such lesser
                  price, and (b) if and whenever after June 30, 1987 the
                  corporation shall issue or sell any shares of its Common Stock
                  for a consideration per share less than the conversion price
                  in effect immediately prior to the time of such issue or sale,
                  and/or the corporation shall issue or sell any shares of
                  Common Stock for a consideration per share less than the
                  market price on the date of such issue or sale, then forthwith
                  upon such issue or sale the conversion price shall be reduced
                  to the price (calculated to the nearest cent) determined by
                  dividing (1) an amount equal to the sum of (aa) the number of
                  shares of Common Stock outstanding immediately prior to such
                  issue or sale multiplied by the then existing conversion
                  price, and (bb) the consideration, if any, received by the
                  corporation upon such issue or sale, by (2) an amount equal to
                  the sum of (aa) the number of shares of Common Stock
                  outstanding immediately prior to such issue or sale and (bb)
                  the number of shares of Common Stock thus issued or sold.

                           For the purposes of this subparagraph (3), the
                  following provisions (i) to (vii), inclusive, shall also be
                  applicable:

                  (i)      In case at any time the corporation shall grant
                           (whether directly or by assumption in a merger or
                           otherwise) any rights to subscribe for or to
                           purchase, or any options for the purchase of, (a)
                           Common Stock or (b) any obligations or any shares of
                           stock of the corporation which are convertible into,
                           or exchangeable for, Common Stock (any of such
                           obligations or shares of stock being hereinafter
                           called "Convertible Securities") whether or not such
                           rights or options or the right to convert or exchange
                           any such Convertible Securities are immediately
                           exercisable, and the price per share for which Common
                           Stock is issuable upon the exercise of such rights or
                           options or upon conversion or exchange of such
                           Convertible Securities (determined by dividing (x)
                           the total amount, if any, received or receivable by
                           the corporation as consideration for the granting of
                           such rights or options, plus the minimum aggregate
                           amount of additional consideration payable to the,
                           corporation upon the exercise of such rights or
                           options, plus, in the case of such Convertible
                           Securities, the minimum aggregate amount of
                           additional consideration, if any, payable upon the
                           issue of such Convertible Securities and upon the
                           conversion or exchange thereof, by (y) the total
                           maximum number of shares of Common Stock issuable
                           upon the exercise of such rights or options or upon
                           the conversion or exchange of all such Convertible
                           Securities issuable upon the exercise of such rights
                           or options) shall be less than the conversion price
                           in effect immediately prior to the time of the
                           granting of such rights or options, then the total
                           maximum number of shares of Common Stock issuable
                           upon the exercise of such rights or options or upon
                           conversion or exchange of the total maximum amount of
                           such Convertible Securities issuable upon the
                           exercise of such rights or options shall (as of the
                           date of granting of such rights or options) be deemed
                           to have been issued for such price per share. Except
                           as provided in subparagraph (6) below, no further
                           adjustments of the conversion price shall be made
                           upon the actual issue of such Common Stock or of such
                           Convertible Securities upon exercise of such rights
                           or options or upon the actual issue of such Common
                           Stock upon conversion or exchange of such Convertible
                           Securities.

                  (ii)     In case the corporation shall issue or sell (whether
                           directly or by assumption in a merger or otherwise)
                           any Convertible Securities, whether or not the rights
                           to exchange or convert thereunder are immediately
                           exercisable, and the price per share for which Common
                           Stock is issuable upon such conversion or exchange
                           (determined by dividing (x) the total amount received
                           or receivable by the corporation as consideration for
                           the issue or sale of such Convertible Securities,
                           plus the minimum aggregate amount of additional
                           consideration, if any, payable to the corporation
                           upon the conversion or exchange thereof, by (y) the
                           total maximum number of shares of Common Stock
                           issuable upon the conversion or exchange of all such
                           Convertible Securities) shall be less than the
                           conversion price in effect immediately prior to the
                           time of such issue or sale, then the total maximum
                           number of shares of Common Stock issuable upon
                           conversion or exchange of all such Convertible
                           Securities shall (as of the date of the issue or sale
                           of such Convertible Securities) be deemed to be
                           outstanding and to have been issued for such price
                           per share, provided that (a) except as provided in
                           subparagraph (6) below, no further adjustments of the
                           conversion price shall be made upon the actual issue
                           of such Common Stock upon conversion or exchange of
                           such Convertible Securities, and (b) if any such
                           issue or sale of such Convertible Securities is made
                           upon exercise of any rights to subscribe for or to
                           purchase or any option to purchase any such
                           Convertible Securities for which adjustments of the
                           conversion price have been or are to be made pursuant
                           to other provisions of this subparagraph (3), no
                           further adjustment of the conversion price shall be
                           made by reason of such issue or sale.

                  (iii)    In case the corporation shall, after June 30, 1987,
                           declare a dividend or make any other distribution
                           upon any capital stock of the corporation payable in
                           Common Stock or Convertible Securities, or in any
                           rights or options to purchase any Common Stock or
                           Convertible Securities, any Common Stock or
                           Convertible Securities, or any such rights or
                           options, as the case may be, issuable in payment of
                           such dividend or distribution shall be deemed to have
                           been issued or sold without consideration.

                  (iv)     In case any shares of Common Stock or Convertible
                           Securities or any rights or options to purchase any
                           such Common Stock or Convertible Securities shall be
                           issued or sold for cash, the consideration received
                           therefor shall be deemed to be the amount received by
                           the corporation therefor, without deducting therefrom
                           any expenses incurred or any underwriting commissions
                           or concessions paid or allowed by the corporation in
                           connection therewith. In case any shares of Common
                           Stock or Convertible Securities or any rights or
                           options to purchase any such Common Stock or
                           Convertible Securities shall be issued or sold for a
                           consideration other than cash, the amount of the
                           consideration other than cash received by the
                           corporation shall be deemed to be the fair value of
                           such consideration as determined by the Board of
                           Directors of the corporation, without deducting
                           therefrom any expenses incurred or any underwriting
                           commissions or concessions paid or allowed by the
                           corporation in connection therewith. In case any
                           shares of Common Stock or Convertible Securities or
                           any rights or options to purchase such Common Stock
                           or Convertible Securities shall be issued in
                           connection with any merger or consolidation in which
                           the corporation is the surviving corporation, the
                           amount of consideration therefor shall be deemed to
                           be the fair value as determined by the Board of
                           Directors of the corporation of such portion of the
                           assets and business of the non-surviving corporation
                           or corporations as such Board shall determine to be
                           attributable to such Common Stock, Convertible
                           Securities, rights or options, as the case may be. In
                           the event of any consolidation or merger of the
                           corporation in which the corporation is not the
                           surviving corporation or in the event of any sale of
                           all or substantially all of the assets of the
                           corporation for stock or other securities of any
                           other corporation, the corporation shall be deemed to
                           have issued a number of shares of its Common Stock
                           for stock or securities of the other corporation
                           computed on the basis of the actual exchange ratio on
                           which the transaction was predicated and for a
                           consideration equal to the fair market value on the
                           date of such transaction of such stock or securities
                           of the other corporation, and if any such calculation
                           results in adjustment of the conversion price, the
                           determination of the number of shares of Common Stock
                           issuable upon conversion immediately prior to such
                           merger, conversion or sale, for purposes of
                           subparagraph (7) below, shall be made after giving
                           effect to such adjustment of the conversion price.

                  (v)      In case the corporation shall take a record of the
                           holders of its Common Stock for the purpose of
                           entitling them (a) to receive a dividend or other
                           distribution payable in Common Stock or in
                           Convertible Securities, or in any rights or options
                           to purchase any Common Stock or Convertible
                           Securities, or (b) to subscribe for or purchase
                           Common Stock or Convertible Securities, then the date
                           of such record shall be deemed to be the date of the
                           issue or sale of the shares of Common Stock deemed to
                           have been issued or sold upon the declaration of such
                           dividend or the making of such other distribution or
                           the date of the granting of such rights of
                           subscription or purchase, as the case may be.

                  (vi)     The number of shares of Common Stock outstanding at
                           any given time shall not include shares owned or held
                           by or for the account of the corporation, and the
                           disposition of any such shares shall be considered an
                           issue or sale of Common Stock for the purpose of this
                           subparagraph (3).

                  (vii)    "Market price" shall mean the average of the high and
                           low prices of the Common Stock sales on all exchanges
                           on which the Common Stock may at the time be listed,
                           or, if there shall have been no sales on any such
                           exchange on any such day, the average of the bid and
                           asked prices at the end of such day, or, if the
                           Common Stock shall not be so listed, the average of
                           the bid and asked prices at the end of the day in the
                           over-the-counter market, in each case averaged over a
                           period of 20 consecutive business days prior to the
                           date as of which "market price" is being determined.
                           If at any time the Common Stock is not listed on any
                           exchange or quoted in the over-the-counter market,
                           the "market price" shall be deemed to be the higher
                           of (i) the book value thereof as determined by any
                           firm of independent public accountants of recognized
                           standing selected by the Board of Directors of the
                           corporation as of the last day of any month ending
                           within 60 days preceding the date as of which the
                           determination is to be made, or (ii) the fair value
                           thereof determined in good faith by the Board of
                           Directors of the corporation as of a date which is
                           within 15 days of the date as of which the
                           determination is to be made.

         (4)      In case the corporation shall declare a dividend or make a
                  distribution upon the Common Stock payable otherwise than out
                  of earnings or earned surplus (including dividends or
                  distributions in Common Stock or Convertible Securities, or in
                  any rights or options to purchase any Common Stock or
                  Convertible Securities), then thereafter each holder of shares
                  of Preferred Stock upon the conversion thereof will be
                  entitled to receive the number of shares of Common Stock into
                  which such shares of Preferred Stock have been converted, and,
                  in addition and without payment therefor, the cash, stock or
                  other securities and other property which such holder would
                  have received by way of dividends (otherwise than out of such
                  earnings or surplus) if continuously since such holder became
                  the record holder of such shares of Preferred Stock such
                  holder (i) had been the record holder of the number of shares
                  of Common Stock then received, and (ii) had retained all
                  dividends or distributions in stock or securities (including
                  Common Stock or Convertible Securities, or in any rights or
                  options to purchase any Common Stock or Convertible
                  Securities) payable in respect of such Common Stock or in
                  respect of any stock or securities paid as dividends or
                  distributions and originating directly or indirectly from such
                  Common Stock. For the purposes of the foregoing a dividend or
                  distribution other than in cash shall be considered payable
                  out of earnings or earned surplus only to the extent that such
                  earnings or surplus are charged an amount equal to the fair
                  value of such dividend or distribution as determined by the
                  Board of Directors of the corporation.

         (5)      In case the corporation shall at any time subdivide its
                  outstanding shares of Common Stock into a greater number of
                  shares, the conversion price in effect immediately prior to
                  such subdivision shall be proportionately reduced, and
                  conversely, in case the outstanding shares of Common Stock of
                  the corporation shall be combined into a smaller number of
                  shares, the conversion price in effect immediately prior to
                  such combination shall be proportionately increased.

         (6)      If (i) the purchase price provided for in any right or option
                  referred to in clause (i) of subparagraph (3), or (ii) the
                  additional consideration, if any, payable upon the conversion
                  or exchange of Convertible Securities referred to in clause
                  (i) or clause (ii) of subparagraph (3), or (iii) the rate at
                  which any Convertible Securities referred to in clause (i) or
                  clause (ii) of subparagraph (3) are convertible into or
                  exchangeable for Common Stock, shall change at any time (other
                  than under or by reason of provisions designed to protect
                  against dilution), the conversion price then in effect
                  hereunder shall forthwith be increased or decreased to such
                  conversion price as would have obtained had the adjustments
                  made upon the issuance of such rights, options or Convertible
                  Securities been made upon the basis of (a) the issuance of the
                  number of shares of Common Stock theretofore actually
                  delivered upon the exercise of such options or rights or upon
                  the conversion or exchange of such Convertible Securities, and
                  the total consideration received therefor, and (b) the
                  issuance at the time of such change of any such options,
                  rights, or Convertible Securities then still outstanding for
                  the consideration, if any, received by the corporation
                  therefor and to be received on the basis of such changed
                  price; and on the expiration of any such option or right or
                  the termination of any such right to convert or exchange such
                  Convertible Securities, the conversion price then in effect
                  hereunder shall forthwith be increased to such conversion
                  price as would have obtained had the adjustments made upon the
                  issuance of such rights or options or Convertible Securities
                  been made upon the basis of the issuance o the shares of
                  Common Stock theretofore actually delivered (and the total
                  consideration received therefor) upon the exercise of such
                  rights or options or upon the conversion or exchange of such
                  Convertible Securities. If the purchase price provided for in
                  any right or option referred to in clause (i) of subparagraph
                  (3), or the rate at which any Convertible Securities referred
                  to in clause (i) or clause (ii) of subparagraph (3) are
                  convertible into or exchangeable for Common Stock, shall
                  decrease at any time under or by reason of provisions with
                  respect thereto designed to protect against dilution, then in
                  case of the delivery of Common Stock upon the exercise of any
                  such right or option or upon conversion or exchange of any
                  such Convertible Security, the conversion price then in effect
                  hereunder shall forthwith be decreased to such conversion
                  price as would have obtained had the adjustments made upon the
                  issuance of such right, option or Convertible Security been
                  made upon the basis of the issuance of (and the total
                  consideration received for) the shares of Common Stock
                  delivered as aforesaid.

         (7)      If any capital reorganization or reclassification of the
                  capital stock of the corporation, or consolidation or merger
                  of the corporation with another corporation, or the sale of
                  all or substantially all of its assets to another corporation
                  shall be effected in such a way that holders of Common Stock
                  shall be entitled to receive stock, securities or assets with
                  respect to or in exchange for Common Stock, then, as a
                  condition of such reorganization, reclassification,
                  consolidation, merger or sale, and subject to subparagraph (a)
                  above, lawful and adequate provision shall be made whereby the
                  holders of Preferred Stock shall thereafter have the right to
                  receive upon the basis and upon the terms and conditions
                  specified herein and in lieu of the shares of the Common Stock
                  of the corporation immediately theretofore receivable upon the
                  conversion of Preferred Stock, such shares of stock,
                  securities or assets as may be issued or payable with respect
                  to or in exchange for a number of outstanding shares of such
                  Common Stock equal to the number of shares of such stock
                  immediately theretofore receivable upon the conversion of
                  Preferred Stock had such reorganization, reclassification,
                  consolidation, merger or sale not taken place, plus all
                  dividends unpaid and accumulated or accrued thereon to the
                  date of such reorganization, reclassification, consolidation,
                  merger or sale, and in any such case appropriate provision
                  shall be made with respect to the rights and interests of the
                  holders of Preferred Stock to the end that the provisions
                  hereof (including without limitation provisions for
                  adjustments of the conversion price and of the number of
                  shares receivable upon the conversion of Preferred Stock)
                  shall thereafter be applicable, as nearly as may be in
                  relation to any shares of stock, securities or assets
                  thereafter receivable upon the conversion of Preferred Stock.
                  The corporation shall not effect any such consolidation,
                  merger or sale, unless prior to the consummation thereof the
                  successor corporation (if other than the corporation)
                  resulting from such consolidation or merger or the corporation
                  purchasing such assets shall assume by written instrument
                  executed and mailed to the holders of Preferred Stock, at the
                  last addresses of such holders appearing on the books of the
                  corporation, the obligation to deliver to such holder such
                  shares of stock, securities or assets as, in accordance with
                  the foregoing provisions, such holder may be entitled to
                  receive.

         (8)      Upon any adjustment of the conversion price, then and in each
                  case the corporation shall give written notice thereof, by
                  first-class mail, postage prepaid, addressed to the holders of
                  Preferred Stock, at the addresses of such holders as shown on
                  the books of the corporation, which notice shall state the
                  conversion price resulting from such adjustment and the
                  increase or decrease, if any, in the number of shares
                  receivable at such price upon the conversion of Preferred
                  Stock, setting forth in reasonable detail the method of
                  calculation and the facts upon which such calculation is
                  based.

         (9)      In case at any time:

                  (i)      the corporation shall declare any cash dividend on
                           its Common Stock at a rate in excess of the rate of
                           the last cash dividend theretofore paid;

                  (ii)     the corporation shall pay any dividend payable in
                           stock upon its Common Stock or make any distribution
                           (other than regular cash dividends) to the holders of
                           its Common Stock;

                  (iii)    the corporation shall offer for subscription pro rata
                           to the holders of its Common Stock any additional
                           shares of stock of any class or other rights;

                  (iv)     there shall be any capital reorganization, or
                           reclassification of the capital stock of the
                           corporation, or consolidation or merger of the
                           corporation with, or sales of all or substantially
                           all of its assets to, another corporation; or

                  (v)      there shall be a voluntary or involuntary
                           dissolution, liquidation or winding up of the
                           corporation;

                  then, in any one or more of said cases, the corporation shall
                  give written notice, by first-class mail, postage prepaid,
                  addressed to the holders of Preferred Stock at the addresses
                  of such holders as shown on the books of the corporation, of
                  the date on which (a) the books of the corporation shall close
                  or a record shall be taken for such dividend, distribution or
                  subscription rights, or (b) such reorganization,
                  reclassification, consolidation, merger, sale, dissolution,
                  liquidation or winding up shall take place, as the case may
                  be. Such notice shall also specify the date as of which the
                  holders of Common Stock of record shall participate in such
                  dividend, distribution or subscription rights, or shall be
                  entitled to exchange their Common Stock for securities or
                  other property deliverable upon such reorganization,
                  reclassification, consolidation, merger, sale, dissolution,
                  liquidation, or winding up, as the case may be. Such written
                  notice shall be given at least 20 days prior to the action in
                  question and not less than 20 days prior to the record date or
                  the date on which the corporation's transfer books are closed
                  in respect thereto.

         (10)     If any event occurs as to which in the opinion of the Board of
                  Directors of the corporation the other provisions of this
                  paragraph (c) are not strictly applicable or if strictly
                  applicable would not fairly protect the rights of the holders
                  of Preferred Stock in accordance with the essential intent and
                  principles of such provisions, then the Board of Directors
                  shall make an adjustment in the application of such
                  provisions, in accordance with such essential intent and
                  principles, so as to protect such rights as aforesaid.

         (11)     As used in this paragraph (c) the term "Common Stock" shall
                  mean and include the corporation's presently authorized Common
                  Stock and shall also include any capital stock of any class of
                  the corporation hereafter authorized which shall not be
                  limited to a fixed sum or percentage in respect of the rights
                  of the holders thereof to participate in dividends or in the
                  distribution of assets upon the voluntary or involuntary
                  liquidation, dissolution or winding up of the corporation;
                  provided that the shares receivable pursuant to conversion of
                  shares of Preferred Stock shall include shares designated as
                  Common Stock of the corporation as of the date of issuance of
                  such shares of Preferred Stock, or, in case of any
                  reclassification of the outstanding shares thereof, the stock,
                  securities or assets provided for in subparagraph (7) above.

         (12)     No fractional shares of Common Stock shall be issued upon
                  conversion, but, instead of any fraction of a share which
                  would otherwise be issuable, the corporation shall pay a cash
                  adjustment in respect of such fraction in an amount equal to
                  the same fraction of the market price per share of Common
                  Stock, determined pursuant to subparagraph (3)(vii) above, as
                  of the close of business on the day of conversion.

Mandatory Conversion. Preferred Stock shall automatically be converted into
shares of Common Stock of the corporation, without any act by the corporation or
the holders of Preferred Stock, concurrently with the closing of the first
public offering by the corporation of shares of Common Stock of the corporation
registered under the Securities Act of 1933, as amended, in which (1) the
offering is underwritten on a firm commitment basis by an underwriter, or a
group of underwriters represented by an underwriter or underwriters, and (2) the
aggregate public offering price of the securities sold for cash by the
corporation in the offering, net of expenses payable by the corporation in
connection with such offering, is at least $5,000,000, and (3) the public
offering price per share of Common Stock is at least $5 (as adjusted from time
to time to reflect stock splits, dividends, recapitalizations, combinations or
the like). As used herein, the term "closing" shall mean the delivery by the
corporation to the underwriters of certificates representing the shares of
Common Stock of the corporation offered to the public against delivery to the
corporation by such underwriters of payment therefor. The term "firm commitment
basis" with respect to the underwriting of such public offering shall mean a
commitment pursuant to a written underwriting agreement under which the nature
of the underwriters' commitment is such that all securities will be purchased by
such underwriters if any securities are purchased by such underwriters. Each
holder of a share of Preferred Stock so converted shall be entitled to receive
the full number of shares of Common Stock into which such share of Preferred
Stock held by such holder could be converted if such holder had exercised its
conversion right at the time of closing of such public offering. Upon such
conversion, each holder of a share of Preferred Stock shall immediately
surrender such share in exchange for appropriate stock certificates representing
a share or shares of Common Stock of the corporation.


<PAGE>
               ARTICLES OF AMENDMENT OF ARTICLES OF INCORPORATION
                                       OF
                                  DATAKEY, INC.

         Pursuant to the provisions of Minnesota Statutes, Section 302A.135, the
following Amendment of Section 3.01 of the Articles of Incorporation of Datakey,
Inc. was adopted at a meeting of the shareholders of the corporation duly
convened and held on the 6th day of May, 1986, by a vote of 84% of the voting
power of all shares entitled to vote:

                  "3.01 The aggregate number of shares of stock which this
         corporation shall have authority to issue is 12,500,000 shares,
         consisting of 10,000,000 shares of Common Stock, par value $.05,
         400,000 shares of Preferred Stock and 2,100,000 undesignated shares."

         I swear that the foregoing is true and accurate and that I have the
authority to sign this document on behalf of the corporation.

                                                       /s/ John H. Underwood
                                              John H. Underwood, President

STATE OF MINNESOTA         )
                           )  SS.
COUNTY OF Dakota           )

         The foregoing instrument was acknowledged before me this 25th day of
June, 1986, by John H. Underwood, President of Datakey, Inc., a Minnesota
corporation, on behalf of the corporation.

                                             /s/ Bette F. Feahr
                                             Notary Public - Minnesota
                                             Dakota County
                                             My commission expires 8-20-91
(Notarial Seal)


<PAGE>


               ARTICLES OF AMENDMENT OF ARTICLES OF INCORPORAT10N
                                       OF
                                  DATAKEY, INC.



         Pursuant to the provisions of Minnesota Statutes, Section 302A.135, the
following Amendment of the Articles of Incorporation of Datakey, Inc., adding
Article VI, was adopted at a meeting of the shareholders of the corporation duly
convened and held on the May 12, 1987, by a majority vote of the voting power of
all shares entitled to vote:

         "ARTICLE VI - LIMITATION OF DIRECTOR LIABILITY

                  6.1) To the fullest extent permitted by the Minnesota Business
         Corporation Act as the same exists or may hereafter be amended, a
         director of this corporation shall not be personally liable to the
         corporation or its shareholders for monetary damages for breach of
         fiduciary duty as a director."

         I swear that the foregoing is true and accurate and that I have the
authority to sign this document on behalf of the corporation.


                                                      /s/ John H. Underwood 
                                             John H. Underwood, President



STATE OF MINNESOTA    )
                      )  SS.
COUNTY OF DAKOTA      )

         The foregoing instrument was acknowledged before me this 27 day of May,
1987, by John H. Underwood, President of Datakey, Inc., a Minnesota corporation,
on behalf of the corporation.

                                              /s/ Bette F. Feahr
                                              Notary Public - Minnesota
                                              Dakota County
                                              My commission expires 8-20-91
(Notarial Seal)


<PAGE>


                      Notice of Change of Registered Office
                                       by
                                  DATAKEY, INC.

Pursuant to Minnesota Statutes, Section 302A.123, the undersigned hereby
certifies that the Board of Directors of the above named Minnesota Corporation
has resolved to change the corporation's registered office or agent:

FROM:             Datakey, Inc.
                  12281 Nicollet Avenue South
                  Burnsville, MN  55337

TO:               Datakey, Inc.
                  407 West Travelers Trail
                  Burnsville, MN  55337-2554

The new address may not be a post office box. It must be a street address,
pursuant to Minnesota Statutes, Section 302A.011, Subd. 3.

The effective date of the change will be the 1st day of July, 1987 or the day of
filing of this certificate with the Secretary of State, whichever is later.

I swear that the foregoing is true and accurate and that I have the authority to
sign this document on behalf of the corporation.


                                         /s/ George H. M. Rountree
                                         George H. M. Rountree
                                         Vice President Finance
July 11, 1988

State of Minnesota         )
                           ) ss.
County of Dakota           )

         The foregoing instrument was acknowledged before me on this 11th day of
July, 1988.

                                         /s/ Bette F. Feahr
                                         Notary Public - Minnesota
                                         Dakota County
                                         My commission expires 8-20-91

State of Minnesota
Department of State
                             Filed: August 10, 1988

<PAGE>


                       STATEMENT OF DESIGNATION OF SHARES
                                       OF
                                  DATAKEY, INC.



         The undersigned hereby certifies that the resolutions set forth on
Exhibit A attached hereto were duly adopted by the Board of Directors of
Datakey, Inc. on May 11, 1998.

         I swear that the foregoing is true and accurate and that I have the
authority to sign this document on behalf of the corporation.


May 14, 1998
                                  DATAKEY, INC.


                                  /s/ Alan G. Shuler
                                  Alan G. Shuler
                                  Vice President and Chief Financial Officer




<PAGE>


                                                                      EXHIBIT A


         DESIGNATION OF SERIES A CONVERTIBLE CUMULATIVE PREFERRED STOCK


         WHEREAS, pursuant to the Articles of Incorporation of this corporation,
the Board of Directors has authority to establish, from the 2,100,000
undesignated shares of capital stock, one or more classes or series of shares,
to designate each such class or series, and to fix the relative rights and
preferences of each such class or series; and

         WHEREAS, the Board of Directors deem it advisable to designate shares
of Series A Convertible Cumulative Preferred Stock;

         NOW, THEREFORE, RESOLVED, that of the 2,100,000 undesignated shares
currently authorized, 150,000 shares are hereby designated as shares of Series A
Convertible Cumulative Preferred Stock, which shares shall have the terms as set
forth on Exhibit A hereto.




<PAGE>

                                    EXHIBIT A


             RIGHTS, PREFERENCES AND RESTRICTIONS OF PREFERRED STOCK


         The rights, preferences, restrictions and other matters relating to the
Series A Convertible Cumulative Preferred Stock (the "Series A Preferred Stock")
are as follows:

         1. Dividend Provisions. Upon issuance, dividends shall accrue on each
share of outstanding Series A Preferred Stock at an annual rate equal to $1.264
per share per annum (8% of the Original Issue Price, as defined herein). Such
dividends shall be cumulative and shall be payable upon any conversion of the
Series A Preferred Stock pursuant to Section 3 hereof. Such dividends shall only
be paid out of legally available funds of the Company. Such dividends shall be
payable by the Company, in its sole discretion, all in cash or all by the
issuance of a number of shares of the Company's unrestricted, freely tradable
common stock equal to the dividends owing on the Series A Preferred Stock;
provided, however, that prior to the payment of any such dividend by the
issuance of shares of the Company's common stock, the Company shall deliver to
the Investors an opinion of its counsel stating that all such shares have been
validly registered, and that they are duly authorized, validly issued and
nonassessable. For the purposes hereof, the number of shares of the Company's
common stock issuable in lieu of any cash dividend payment shall equal the total
dividend payment then due divided by the per share price of such stock. The per
share price of the Company's common stock shall be determined based on the
average closing bid price of such stock quoted on The Nasdaq Stock Market for
the ten consecutive trading days prior to the payment of such dividends.
Dividends on shares of the Series A Preferred Stock shall accrue beginning on
the date of issuance of the shares of Series A Preferred Stock, shall compound
on an annual basis and shall be payable upon conversion of the Series A
Preferred Stock (a "Payment Date"). All accrued and unpaid dividends on the
Series A Preferred Stock must be paid before any dividends may be declared or
paid on any other junior series of preferred or common stock issued by the
Company.

         2.       Liquidation Preference.

                  (a) In the event of any liquidation, dissolution or winding up
of the Company, either voluntary or involuntary, the holders of the previously
issued Convertible Preferred Stock (the "Convertible Preferred Stock") and the
Series A Preferred Stock shall be entitled to receive, prior and in preference
to any distribution of any of the assets of the Company to the holders of common
stock by reason of their ownership thereof, an amount per share equal to $2.50
for the Convertible Preferred Stock, and for the Series A Preferred Stock the
sum of (i) $15.80, as adjusted pursuant to Section 4(c) hereof (the "Original
Issue Price"), and (ii) an amount equal to cumulative unpaid dividends on such
shares (respectively, a "Liquidation Amount"). If upon the occurrence of such an
event, the assets and funds thus distributed among the holders of the
Convertible Preferred Stock and the Series A Preferred Stock shall be
insufficient to permit the payment to such holders of the full aforesaid
preferential amounts, then, the entire assets and funds of the Company legally
available for distribution shall be distributed ratably among the holders of the
Convertible Preferred Stock and the Series A Preferred Stock in proportion to
the amount of such stock owned by each such holder multiplied by the appropriate
Liquidation Amount.

                  (b) Upon the completion of the distribution required by
subparagraph (a) of this Section 2, if assets remain in the Company, the
remaining assets of the Company shall be distributed ratably among the holders
of the Company's common stock and the Series A Preferred Stock in proportion to
the number of shares of common stock held by each (assuming full conversion of
all shares of Series A Preferred Stock).

                  (c) (i) For purposes of this Section 2, a liquidation,
dissolution or winding up of the Company shall be deemed to be occasioned by, or
to include, (A) the acquisition of the Company by another entity by means of any
transaction or series of related transactions (including any reorganization,
merger or consolidation but excluding any merger effected exclusively for the
purpose of changing the domicile of the Company); or (B) a sale of all or
substantially all of the assets of the Company, unless the Company's
shareholders as constituted immediately prior to such acquisition or sale will,
immediately after such acquisition or sale (by virtue of securities issued as
consideration for the Company's acquisition or sale or otherwise) hold at least
50% of the voting power of the surviving or acquiring entity.

                           (ii)  In any of such events,  if the  consideration  
received by the Company is other than cash, its value will be deemed its fair 
market value.

                           (iii) In the event the requirements of this Section 2
are not complied with, the Company shall forthwith either:

                                    (A) cause such closing to be postponed until
such time as the requirements of this Section 2 have been complied with, or

                                    (B) cancel such transaction, in which event 
the rights, preferences and privileges of the holders of the Convertible
Preferred Stock and the Series A Preferred Stock shall revert to and be the same
as such rights, preferences and privileges existing immediately prior to the
date of the first notice referred to in subsection 2(c)(iv) hereof.

                           (iv) The Company shall give each holder of record of
Convertible Preferred Stock and the Series A Preferred Stock written notice of
such impending transaction not later than 20 days prior to the shareholders'
meeting called to approve such transaction, or 20 days prior to the closing of
such transaction, whichever is earlier, and shall also notify such holders in
writing of the final approval of such transaction; provided, however, that the
holder of any shares of then outstanding Convertible Preferred Stock or Series A
Preferred Stock shall have the right during such 20-day period to convert such
shares pursuant to Section 3 hereof. The first of such notices shall describe
the material terms and conditions of the impending transaction and the
provisions of this Section 2, and the Company shall thereafter give such holders
prompt notice of any material changes. The transaction shall in no event take
place sooner than 20 days after the Company has given the first notice provided
for herein or sooner than ten days after the Company has given notice of any
material changes provided for herein; provided, however, that such periods may
be shortened upon the written consent of the holders of the Convertible
Preferred Stock and the Series A Preferred Stock that are entitled to such
notice rights or similar notice rights and that represent at least a majority of
the voting power of all then outstanding shares of each of the classes of
preferred stock, voting separately as a class.

         3.       Conversion.

                  (a) Conversion Right. At the option of the holder thereof,
each share of Series A Preferred Stock shall be convertible at any time during
the period commencing on the day on which the Series A Preferred Stock is issued
and expiring on May 15, 2000 (the date which is the second anniversary of the
date of issuance of the Series A Preferred Stock); provided, however, that such
expiration date shall be extended for a number of days equal to the number of
days beyond the 90th day following the date of issuance of the Series A
Preferred Stock that the Registration Statement (as such term is defined in the
Registration Rights Agreement, of even date herewith, entered into by and
between the Company and the Investors set forth on Schedule A thereto) is not
effective (such date, including any extension thereof pursuant to the foregoing
proviso, being herein referred to as the "Second Anniversary"). The Series A
Preferred Stock shall be convertible at the office of the Company or any
transfer agent for such stock into such number of fully paid and nonassessable
shares of the Company's common stock as is determined by dividing the Original
Issue Price, subject to adjustment as provided in Section 4, by the Conversion
Price applicable to such shares, determined as hereafter provided, in effect on
the date the certificates representing such shares are surrendered for
conversion (the "Conversion Date"). The Conversion Price shall be equal to the
average closing bid price of one share of the Company's common stock as quoted
by the Nasdaq SmallCap Market, the Nasdaq National Market or the principal
exchange upon which shares of the Company's common stock may be listed, or, if
the Company's common stock shall not then be quoted on the Nasdaq SmallCap
Market or the Nasdaq National Market or listed on a national securities
exchange, but shall otherwise be traded in the over-the-counter market, on such
over-the-counter market for the ten-day period ending on the day prior to the
Conversion Date (the "Trading Period") multiplied by .8 (the "Conversion
Price"); provided, however, that in no event shall the Conversion Price exceed
$5.00 per share or be less than $2.75 (the "Maximum Price" and "Minimum Price,"
respectively) per share; and provided, further, that appropriate adjustments
shall be made in determining the average closing bid price if a recapitalization
or other event affecting the Company's common stock shall occur during the
Trading Period.

                  (b) Dividend Payment. Should the Company, pursuant to Section
1 hereof, not elect to pay all outstanding, cumulative, accrued and unpaid
dividends on the Series A Preferred Stock in shares of its common stock, the
Company shall pay, in immediately available funds, to the holder of any shares
of Series A Preferred Stock being converted, within two days, all such dividends
on the date that it receives notice of such holder's intent to convert such
shares pursuant to (d) below. Separately, should the Company elect to pay all
outstanding, cumulative, accrued and unpaid dividends on the Series A Preferred
Stock in shares of its common stock, it shall, within two business days of
receiving a holder's notice of intent to convert, deliver certificates
representing such shares to the holder of the Series A Preferred Stock.

                  (c) Automatic Conversion. Any shares of Series A Preferred
Stock remaining outstanding on the Second Anniversary shall be automatically
converted pursuant to the conversion terms of Section 3(a) above. The Conversion
Date with respect to such automatic conversion shall be the Second Anniversary.
In any event, the Company shall, within two business days after automatic
conversion of the Series A Preferred Stock, issue and deliver a certificate or
certificates for the number of shares of the Company's common stock to which
each former holder of Series A Preferred Stock is entitled. Notwithstanding the
foregoing, no automatic conversion of the Series A Preferred Stock shall occur
pursuant to this Section unless (i) all shares of the Company's common stock
underlying the shares of Series A Preferred Stock may be sold pursuant to an
effective registration statement under the Securities Act of 1933, as amended,
(ii) the Company's common stock is listed and trading on The Nasdaq Stock
Market, and (iii) the Company has reserved and available for issuance a number
of shares of its common stock sufficient to cover conversion of all outstanding
shares of Series A Preferred Stock.

                  (d) Mechanics of Conversion. Before any holder of Series A
Preferred Stock shall be entitled to convert the same into shares of the
Company's common stock, he, she or it shall surrender the certificate or
certificates therefor, duly endorsed, at the office of the Company or of any
transfer agent for the Series A Preferred Stock, and shall give written notice,
via facsimile, to the Company, at its principal corporate office, of the
election to convert the same and shall state therein the name or names in which
the certificate or certificates for shares of the Company's common stock are to
be issued. The Company shall, immediately thereafter (and in any event no more
than two business days thereafter), issue and deliver to such holder of Series A
Preferred Stock at the address shown on the Company's records or at such other
address as such party may designate by written notice to the Company, or to the
nominee or nominees of such holder, a certificate or certificates for the number
of shares of the Company's common stock to which such holder shall be entitled
pursuant to Section 3(a) and a certificate representing shares of Series A
Preferred Stock not so converted by the holder. Such conversion shall be deemed
to have been made immediately prior to the close of business on the Conversion
Date, and the person or persons entitled to receive the shares of the Company's
common stock issuable upon such conversion shall be treated for all purposes as
the record holder or holders of such shares of the Company's common stock as of
such date.

                  (e) Mechanics of Automatic Conversion. On the Conversion Date
with respect to the automatic conversion pursuant to subsection 3(c) above, the
certificates representing shares of Series A Preferred Stock shall immediately
represent that number of shares of the Company's common stock into which such
shares are convertible. Holders of Series A Preferred Stock shall deliver their
certificates, duly endorsed in blank, to the principal office of the Company,
together with a notice setting out the name or names (with addresses) and
denominations in which the certificates representing such shares of common stock
issuable upon conversion are to be issued and including instructions for
delivery thereof. The person entitled to receive the shares of the Company's
common stock issuable upon such conversion shall be treated for all purposes as
the record holder of such shares of common stock at and on the Conversion Date,
and the rights of such person as a holder of shares of Series A Preferred Stock
shall cease and terminate at and on the Conversion Date, in any case without
regard to any failure by such holder to deliver the certificates or the notice
required by this subsection 3(e). On the Conversion Date with respect to
automatic conversion, the Company shall pay all outstanding, cumulative, accrued
and unpaid dividends, either by the issuance of shares of its common stock or in
cash, pursuant to the provisions set forth in (a) above; provided, however, that
should the Company elect to pay such dividends by the issuance of additional
shares of its common stock, the person entitled to receive such shares of the
Company's common stock issuable upon such conversion shall be treated for all
purposes as the record holder of such additional shares on the Conversion Date

                  (f) No Impairment. The Company will not, by amendment of its
Articles of Incorporation or through any reorganization, recapitalization,
transfer of assets, consolidation, merger, dissolution, issue or sale of
securities or any other voluntary action, avoid or seek to avoid the observance
or performance of any of the terms to be observed or performed hereunder by the
Company, but will at all times in good faith assist in the carrying out of all
the provisions of this Section 3 and in the taking of all such action as may be
necessary or appropriate in order to protect the conversion rights of the
holders of the Series A Preferred Stock against impairment.

                  (g) No Fractional Shares. No fractional shares shall be issued
upon the conversion of any share or shares of the Series A Preferred Stock, and
the number of shares of the Company's common stock to be issued shall be rounded
to the nearest whole share. Whether or not fractional shares are issuable upon
such conversion shall be determined on the basis of the total number of shares
of Series A Preferred Stock the holder is at the time converting into shares of
the Company's common stock and the number of shares of such common stock
issuable upon such aggregate conversion.

                  (h) Notices of Record Date. In the event of any taking by the
Company of a record of the holders of any class of securities for the purpose of
determining the holders thereof who are entitled to receive any dividend or
other distribution, any right to subscribe for, purchase or otherwise acquire
any shares of stock of any class or any other securities or property, or to
receive any other right, the Company shall mail to each holder of Series A
Preferred Stock, at least 20 days prior to the date specified therein, a notice
specifying the date on which any such record is to be taken for the purpose of
such dividend, distribution or right, and the amount and character of such
dividend, distribution or right.

                  (i) Reservation of Stock Issuable Upon Conversion. The Company
shall at all times reserve and keep available out of its authorized but unissued
shares of common stock, solely for the purpose of effecting the conversion of
the shares of the Series A Preferred Stock, such number of its shares of its
common stock as shall from time to time be sufficient to effect the conversion
of all outstanding shares of the Series A Preferred Stock; and if at any time
the number of authorized but unissued shares of the Company's common stock shall
not be sufficient to effect the conversion of all then outstanding shares of the
Series A Preferred Stock, in addition to such other remedies as shall be
available to the holder of such Series A Preferred Stock, the Company will take
such corporate action as may, in the opinion of its counsel, be necessary to
increase its authorized but unissued shares of common stock to such number of
shares as shall be sufficient for such purposes, including engaging in best
efforts to obtain the requisite shareholder approval of any necessary amendment
to the Company's Articles of Incorporation.

                  (j) Notices. Any notice required by the provisions of this
Section 3 to be given to the holders of shares of Series A Preferred Stock shall
be deemed given if deposited in the United States mail, postage prepaid, and
addressed to each holder of record at his, her or its address appearing on the
books of the Company.

         4.       Anti-Dilution Provisions.

                  The Original Issue Price shall be subject to adjustment from
time to time upon the happening of any of the following events: (a) In the event
the Company shall issue or sell any shares of its common stock (except as
provided in paragraph (e) hereof) for a consideration per share less than the
greater of (A) $5.00, or (B) 80% of the Market Price (as defined below) on the
date of such issue or sale, then the Original Issue Price shall be increased to
such greater price (calculated to the nearest cent) as shall be determined by
multiplying the Original Issue Price by a fraction, the numerator of which shall
be the number of shares of the Company's common stock outstanding immediately
after the issuance or sale of such additional shares, and the denominator of
which shall be the sum of (i) the number of shares of the Company's common stock
outstanding immediately prior to the issuance or sale of such additional shares,
and (ii) the number of shares of the Company's common stock which the aggregate
consideration received for the issuance or sale of such additional shares would
purchase at the greater of $5.00, or if such shares of the Company's common
stock shall have been issued for a consideration per share less than 80% of the
Market Price on the date of issuance or sale, the current Market Price. For
purposes of this paragraph, all shares of the Company's common stock issuable
upon exercise of outstanding options and warrants shall be deemed to be
outstanding.

                  (b) For the purposes of paragraph 4(a) above, the following
subparagraphs (i) to (vii), inclusive, shall be applicable:

                           (i) If at any time the Company shall issue or sell 
any rights to subscribe for, or any rights or options to purchase, shares of its
common stock or any stock or other securities convertible into or exchangeable
for such common stock (such convertible or exchangeable stock or securities
being hereinafter called "Convertible Securities"), whether or not such rights
or options or the right to convert or exchange any such Convertible Securities
shall be immediately exercisable, and the price per share for which shares of
the Company's common stock shall be issuable upon the exercise of such rights or
options or upon conversion or exchange of such Convertible Securities
(determined by dividing (1) the total amount, if any, received or receivable by
the Company as consideration for the granting of such rights or options, plus
the minimum aggregate amount of additional consideration payable to the Company
upon the exercise of such rights or options, plus, in the case of any such
rights or options which shall relate to Convertible Securities, the minimum
aggregate amount of additional consideration, if any, payable upon the issue or
sale of such Convertible Securities and upon the conversion or exchange thereof,
by (2) the total number of shares of the Company's common stock issuable upon
the exercise of such rights or options or upon the conversion or exchange of all
such Convertible Securities issuable upon the exercise of such rights or
options) shall be less than the greater of (x) the $5.00, or (y) 80% of the
Market Price at the time of such issue or sale, then the total number of shares
of the Company's common stock issuable upon the exercise of such rights or
options or upon conversion or exchange of the total amount of such Convertible
Securities issuable upon the exercise of such rights or options shall (as of the
date of granting of such rights or options) be deemed to be outstanding and to
have been issued for such price per share, and except as provided in paragraph
4(d), no further adjustments of the Original Issue Price shall be made upon the
actual issue of such shares of common stock or of such Convertible Securities,
upon the exercise of such rights or options or upon the actual issue of such
common stock upon conversion or exchange of such Convertible Securities.

                           (ii) If at any time the Company shall issue or sell
any Convertible Securities, whether or not the rights to exchange or convert
thereunder shall be immediately exercisable, and the price per share for which
shares of the Company's common stock shall be issuable upon such conversion or
exchange (determined by dividing (1) the total amount received or receivable by
the Company as consideration for the issue or sale of such Convertible
Securities, plus the minimum aggregate amount of additional consideration, if
any, payable to the Company upon the conversion or exchange thereof, by (2) the
total number of shares of the Company's common stock issuable upon the
conversion or exchange of all such Convertible Securities) shall be less than
the greater of (x) $5.00, or (y) 80% of the Market Price at the time of such
issue or sale, then the total number of shares of the Company's common stock
issuable upon conversion or exchange of all such Convertible Securities shall
(as of the date of the issue or sale of such Convertible Securities) be deemed
to be outstanding and to have been issued for such price per share, and, except
as provided in paragraph 4(d), no further adjustments of the Original Issue
Price shall be made upon the actual issue of such shares of common stock upon
conversion or exchange of such Convertible Securities. In addition, if any issue
or sale of such Convertible Securities shall be made upon exercise of any rights
to subscribe for or to purchase or any option to purchase any such Convertible
Securities for which adjustments of the Original Issue Price shall have been or
shall be made pursuant to other provisions of this paragraph 4(b)(ii), no
further adjustment of the Original Issue Price shall be made by reason of such
issue or sale.

                           (iii) If at any time the Company shall declare and
pay a dividend or make any other distribution upon the shares of its common
stock payable in such stock or Convertible Securities, any such stock or
Convertible Securities, as the case may be, issuable in payment of such dividend
or distribution shall be deemed to have been issued or sold without
consideration.

                           (iv)  If at any time any shares of the Company's
common stock or Convertible Securities or any rights or options to purchase
shares of any such stock or Convertible Securities shall be issued or sold for
cash, the consideration received therefor shall be deemed to be the amount
received by the Company therefor, without deduction therefrom of any expenses
incurred or any underwriting commissions or concessions or discounts paid or
allowed by the Company in connection therewith. In case any shares of the
Company's common stock or Convertible Securities or any rights or options to
purchase any such common stock or Convertible Securities shall be issued or sold
for a consideration other than cash, the amount of the consideration other than
cash received by the Company shall be deemed to be the fair value of such
consideration as determined by the Company's Board of Directors, without
deduction therefrom of any expenses incurred or any underwriting commissions or
concessions or discounts paid or allowed by the Company in connection therewith.
In case any shares of the Company's common stock or Convertible Securities or
any rights or options to purchase any such common stock or Convertible
Securities shall be issued in connection with any merger of another corporation
into the Company, the amount of consideration therefor shall be deemed to be the
fair value of the net assets of such merged corporation as determined by the
Company's Board of Directors after deducting therefrom all cash and other
consideration (if any) paid by the Company in connection with such merger.

                           (v) If at any time the Company shall take a record of
the holders of its common stock for the purpose of entitling them (1) to receive
a dividend or other distribution payable in shares of the Company's common stock
or in Convertible Securities, or (2) to subscribe for or purchase shares of the
Company's common stock or Convertible Securities, then such record date shall be
deemed to be the date of the issue or sale of the shares of the Company's common
stock deemed to have been issued or sold upon the declaration of such dividend
or the making of such other distribution or the date of the granting of such
right of subscription or purchase, as the case may be.

                           (vi) The number of shares of the Company's common
stock outstanding at any given time shall not include shares owned or held by or
for the account of the Company, provided that such shares are neither issued,
sold or otherwise distributed by the Company.

                           (vii) For purposes hereof, the "Market Price" shall
mean the average closing bid price of the Company's common stock on the Nasdaq
SmallCap Market, the Nasdaq National Market or the principal exchange upon which
shares of the Company's common stock may be listed, or, if the Company's common
stock shall not then be quoted on the Nasdaq SmallCap Market or the Nasdaq
National Market or listed on a national securities exchange, but shall otherwise
be traded in the over-the-counter market, on such over-the-counter market, in
each case for the ten day period immediately preceding any determination of such
"Market Price" (subject to appropriate adjustments which shall be made in
determining the average closing bid price if a recapitalization or other event
affecting the Company's common stock shall occur during such 10-day period). If
at any time shares of the Company's common stock shall not be quoted on the
Nasdaq SmallCap Market or the Nasdaq National Market, listed on a national
securities exchange, or otherwise traded in the over-the-counter market, the
"Market Price" of a share of the Company's common stock shall be deemed to be
the higher of (x) the book value thereof (as determined by any firm of
independent public accountants of nationally recognized standing selected by the
Company's Board of Directors) as of the last day of any month ending within 60
days preceding the date of determination, or (y) the fair value thereof (as
determined in good faith by the Company's Board of Directors) as of a date which
shall be within 15 days of the date of determination.

                           (c) In case at any time the Company shall subdivide 
its outstanding shares of common stock into a greater number of shares, the
Original Issue Price in effect immediately prior to such subdivision, the
Maximum Price and the Minimum Price shall be proportionately reduced, and the
Company shall subdivide the Series A Preferred Stock in the same proportion. In
case at any time the outstanding shares of the Company's common stock shall be
combined into a smaller number of shares, the Original Issue Price in effect
immediately prior to such combination, the Maximum Price and the Minimum Price
shall be proportionately increased, and the Company shall combine the Series A
Preferred Stock in the same proportion. Any adjustment under this paragraph 4(c)
shall become effective at the close of business on the date the subdivision or
combination shall become effective. The Company will take such corporate action
as may, in the opinion of its counsel, be necessary to increase its authorized
but unissued shares of Series A Preferred Stock to such number of shares as
shall be sufficient for any such purposes, including engaging in best efforts to
obtain the requisite shareholder approval of any necessary amendment to the
Company's Articles of Incorporation.

                  (d) If the purchase or exercise price provided for in any
right or option referred to in paragraph 4(b)(i), or the rate at which any
Convertible Securities referred to in paragraph 4(b)(i) or (ii) shall be
convertible into or exchangeable for shares of the Company's common stock, shall
change or a different purchase or exercise price or rate shall become effective
at any time or from time to time (including any change resulting from
termination of such right, option or convertible security), then, upon such
change becoming effective, the Original Issue Price then in effect hereunder
shall forthwith be increased or decreased to such Original Issue Price as would
have been obtained had the adjustments made upon the granting or issuance of
such rights or options or Convertible Securities been made upon the basis of (A)
the issuance of the number of shares of the Company's common stock theretofore
actually delivered upon the exercise of such options or rights or upon the
conversion or exchange of such Convertible Securities, and (B) the granting or
issuance at the time of such change of any such options, rights or Convertible
Securities then still outstanding for the consideration, if any, received by the
Company therefor and to be received on the basis of such changed price.

                  (e) The Company shall not be required to make any adjustment
to the Original Issue Price in the case of:

                           (i) the granting, after the date hereof, by the 
Company of stock options under the Company's 1997 Stock Option Plan, so long as
the shares of the Company's common stock underlying such options are covered by
the 800,000 shares currently reserved for issuance under such plan as of the
date hereof, assuming approval by the Company's shareholders of the 300,000
share increase at the Company's 1998 Annual Meeting of Shareholders;

                           (ii) the issuance of shares of the Company's common 
stock, pursuant to the exercise of the options referred to in paragraph 4(e)(i)
above or the exercise of any other options or warrants outstanding as of the
date hereof; or

                           (iii) the issuance of shares of the Series A
Preferred Stock hereunder or of shares of the Company's common stock upon the
conversion of any shares of the Series A Preferred Stock or upon the exercise of
the Warrant or the Warrant issued to Miller, Johnson & Kuehn, Incorporated on
the same date as the Preferred Stock Purchase Agreement to which this
certificate of Designation is an Exhibit.

         5. Voting Rights. The holder of each share of Series A Preferred Stock
shall have the right to the number of votes on all matters submitted to the
Company's shareholders that shall be equal to the number of shares of the
Company's common stock into which such holder's shares of Series A Preferred
Stock shall then be convertible (assuming a conversion as of the record date set
for the vote).

         6. Status of Converted Stock. In the event any shares of Series A
Preferred Stock shall be converted pursuant to Section 3 hereof, the shares of
Series A Preferred Stock so converted shall be canceled and shall not be
issuable by the Company. The Articles of Incorporation of the Company shall be
appropriately amended to effect the corresponding reduction in the Company's
authorized capital stock.

         7. Notice of Adjustment. The Company shall provide all holders of
shares of Series A Preferred Stock five business days prior written notice of
any adjustments in the Original Issue Price, the Maximum Price, the Minimum
Price or any other adjustments made pursuant to the provisions hereof.


 
                          INDEPENDENT AUDITOR'S REPORT



To the Stockholders 
Datakey, Inc.
Burnsville, Minnesota


We have audited the accompanying consolidated balance sheets of Datakey, Inc.
and Subsidiary as of December 31, 1998 and 1997, and the related consolidated
statements of operations, stockholders' equity, and cash flows for the years
then ended. These consolidated financial statements are the responsibility of
the Company's management. Our responsibility is to express an opinion on these
consolidated financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the consolidated financial statements are
free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the consolidated financial
statements. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall
financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present
fairly, in all material respects, the financial position of Datakey, Inc. and
Subsidiary as of December 31, 1998 and 1997, and the results of their operations
and their cash flows for the years then ended, in conformity with generally
accepted accounting principles.



/s/ McGLADREY & PULLEN, LLP

Minneapolis, Minnesota
February 5, 1999


<PAGE>
DATAKEY, INC. AND SUBSIDIARY

CONSOLIDATED BALANCE SHEETS
December 31, 1998 and 1997

<TABLE>
<CAPTION>
ASSETS (Note 3)                                                                      1998               1997
- --------------------------------------------------------------------------------------------------------------------
<S>                                                                            <C>                <C>              
Current Assets
     Cash and cash equivalents                                                 $         853,827  $       1,305,392
     Trade receivables, less allowance for doubtful accounts of
         $30,000 (Note 7)                                                                859,636            634,267
     Inventories (Note 2)                                                              1,007,948          1,082,737
     Prepaid expenses and other                                                           56,237             53,360
                                                                               -------------------------------------
                   Total current assets                                                2,777,648          3,075,756
                                                                               -------------------------------------


Other Assets
     Licenses and patents, less amortization--1998 $229,523;
1997 $181,801 (Note 8)                                                                   674,481          1,104,302
                                                                               -------------------------------------



Equipment and Leasehold Improvements, at cost
     Production tooling                                                                1,251,857          1,215,012
     Equipment                                                                         3,012,184          2,956,269
     Furniture and fixtures                                                              304,853            298,771
     Leasehold improvements                                                              286,916            281,956
                                                                               -------------------------------------
                                                                                       4,855,810          4,752,008

     Less accumulated depreciation                                                     3,771,659          3,278,760
                                                                               -------------------------------------
                                                                                       1,084,151          1,473,248
                                                                               -------------------------------------
Total Assets                                                                   $       4,536,280  $       5,653,306
                                                                               =====================================
</TABLE>

See Notes to Consolidated Financial Statements.
<PAGE>


<TABLE>
<CAPTION>
LIABILITIES AND STOCKHOLDERS' EQUITY                                                 1998               1997
- --------------------------------------------------------------------------------------------------------------------
<S>                                                                            <C>                <C>              
Current Liabilities
     Accounts payable                                                          $         435,873  $         184,103
     Accrued expenses:
         Compensation                                                                    162,509            410,055
         Other                                                                            66,364             91,774
     License obligation (Note 8)                                                               -            439,000
     Accrued dividends (Note 5)                                                           67,023                  -
                                                                               -------------------------------------
                   Total current liabilities                                             731,769          1,124,932
                                                                               -------------------------------------

Commitments and Contingencies (Notes 5, 8, and 9)

Stockholders' Equity (Notes 5 and 6)
     Convertible preferred stock, voting, liquidation value $2.50 per
         share; authorized 400,000 shares; issued and outstanding
         150,000 shares                                                                  375,000            375,000
     Series A convertible cumulative preferred stock, voting,
         8% cumulative, liquidation value $15.80 per share plus
         accrued dividends; authorized 150,000 shares; issued and
         outstanding 83,957 shares in 1998                                             1,326,519                  -
     Common stock, par value $0.05 per share; authorized 10,000,000
         shares; issued and outstanding 3,045,704 shares in 1998
         and 2,887,235 shares in 1997                                                    152,285            144,361
     Additional paid-in capital                                                        4,793,665          4,089,283
Accumulated deficit                                                                   (2,842,958)           (80,270)
                                                                               -------------------------------------
                                                                                       3,804,511          4,528,374
                                                                               -------------------------------------
                                                                               $       4,536,280  $       5,653,306
                                                                               =====================================
</TABLE>


<PAGE>
DATAKEY, INC. AND SUBSIDIARY

CONSOLIDATED STATEMENTS OF OPERATIONS
Years Ended December 31, 1998 and 1997

<TABLE>
<CAPTION>
                                                                                     1998               1997
- --------------------------------------------------------------------------------------------------------------------
<S>                                                                            <C>                <C>              
Net sales (Note 7)                                                             $       5,870,250  $       5,977,464
                                                                               -------------------------------------

Costs and expenses:
     Cost of goods sold                                                                3,681,124          4,389,367
     Research and development                                                          1,672,837          3,185,894
     Marketing and sales                                                               2,069,288          1,716,343
     General and administrative                                                          793,948            713,308
                                                                               -------------------------------------
                   Total costs and expenses                                            8,217,197         10,004,912
                                                                               -------------------------------------

                   Operating loss                                                     (2,346,947)        (4,027,448)

Interest income                                                                           57,572            169,569
                                                                               -------------------------------------
                   Loss before income taxes                                           (2,289,375)        (3,857,879)

Income tax expense (Note 4)                                                                    -            325,000
                                                                               -------------------------------------
                   Net loss                                                    $      (2,289,375) $      (4,182,879)
                                                                               =====================================

Net loss attributable to common stockholders:
     Net loss                                                                  $      (2,289,375) $      (4,182,879)
     Preferred stock beneficial conversion feature (Note 5)                             (395,000)                 -
     Preferred stock dividends (Note 5)                                                  (78,313)                 -
                                                                               -------------------------------------
                   Net loss attributable to common stockholders                $      (2,762,688) $      (4,182,879)
                                                                               =====================================

Basic and diluted loss per share                                                           (0.94)             (1.45)

Weighted average shares:
     Basic and diluted                                                                 2,931,465          2,886,641
</TABLE>

See Notes to Consolidated Financial Statements.

<PAGE>
DATAKEY, INC. AND SUBSIDIARY

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
Years Ended December 31, 1998 and 1997

<TABLE>
<CAPTION>
                                                                                                   Series A Cumulative      
                                                                 Convertible Preferred Stock         Preferred Stock         
                                                               ------------------------------------------------------------
                                                                   Shares          Amount          Shares      Amount             
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                                                   <C>       <C>                         <C>            
Balance, December 31, 1996                                            150,000   $  375,000               -  $          -   
     Issuance of common stock under stock options (Note 6)                  -            -               -             -   
     Net loss                                                               -            -               -             -   
                                                               ------------------------------------------------------------
Balance, December 31, 1997                                            150,000      375,000               -             -   
     Issuance of common stock under stock options (Note 6)                  -            -               -             -   
     Issuance of Series A preferred stock (net of 
         offering expenses) (Note 5)                                        -            -         100,000     1,580,000   
     Preferred stock beneficial conversion feature (Note 5)                 -            -               -             -   
     Preferred stock dividends (Note 5)                                     -            -               -             -   
     Conversion of Series A preferred stock, including 
         accrued dividends, to common stock (Note 5)                        -            -         (16,043)     (253,481)  
     Net loss                                                               -            -               -             -   
                                                               ------------------------------------------------------------
Balance, December 31, 1998                                            150,000   $  375,000          83,957  $  1,326,519   
                                                               ============================================================
</TABLE>

See Notes to Consolidated Financial Statements.
<TABLE>
<CAPTION>
                                                                                          Additional
                                                                    Common Stock            Paid-In    Accumulated
                                                               -----------------------
                                                                  Shares       Amount       Capital       Deficit        Total
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                                                              <C>        <C>          <C>           <C>           <C>        
Balance, December 31, 1996                                       2,882,069  $  144,103   $ 4,070,815   $ 4,102,609   $ 8,692,527
     Issuance of common stock under stock options (Note 6)           5,166         258        18,468             -        18,726
     Net loss                                                            -           -             -    (4,182,879)   (4,182,879)
                                                               ------------------------------------------------------------------
Balance, December 31, 1997                                       2,887,235     144,361     4,089,283       (80,270)    4,528,374
     Issuance of common stock under stock options (Note 6)          62,500       3,125       230,105             -       233,230
     Issuance of Series A preferred stock (net of 
         offering expenses) (Note 5)                                     -           -      (180,695)            -     1,399,305
     Preferred stock beneficial conversion feature (Note 5)              -           -       395,000      (395,000)            -
     Preferred stock dividends (Note 5)                                  -           -             -       (67,023)      (67,023)
     Conversion of Series A preferred stock, including 
         accrued dividends, to common stock (Note 5)                95,969       4,799       259,972       (11,290)            -
     Net loss                                                            -           -             -    (2,289,375)   (2,289,375)
                                                               ------------------------------------------------------------------
Balance, December 31, 1998                                       3,045,704  $  152,285   $ 4,793,665   $(2,842,958)  $ 3,804,511
                                                               ==================================================================
</TABLE>

<PAGE>
DATAKEY, INC. AND SUBSIDIARY

CONSOLIDATED STATEMENTS OF CASH FLOWS
Years Ended December 31, 1998 and 1997

<TABLE>
<CAPTION>
                                                                                               1998             1997
- ---------------------------------------------------------------------------------------------------------------------------
Cash Flows From Operating Activities
<S>                                                                                       <C>              <C>             
     Net loss                                                                             $   (2,289,375)  $    (4,182,879)
     Adjustments to reconcile net loss to net cash used in operating activities:
         Depreciation                                                                            515,391           515,593
         Amortization                                                                             47,722           127,723
         Interest on investment securities                                                             -           163,287
         Deferred taxes                                                                                -           325,000
         Changes in assets and liabilities:
            Trade receivables                                                                   (225,369)              271
            Inventories                                                                           74,789            46,170
            Accounts payable                                                                     251,770          (375,177)
            Other                                                                               (275,833)         (152,118)
                                                                                          ---------------------------------
                   Net cash used in operating activities                                      (1,900,905)       (3,532,130)
                                                                                          ---------------------------------

Cash Flows From Investing Activities
     Purchase of equipment                                                                      (126,294)         (587,136)
     Proceeds from maturity of held-to-maturity securities                                             -         5,829,941
     License and patent costs                                                                    (56,901)         (234,789)
                                                                                          ---------------------------------
                   Net cash provided by (used in) investing activities                          (183,195)        5,008,016
                                                                                          ---------------------------------

Cash Flows From Financing Activities
     Net proceeds from issuance of common stock                                                  233,230            18,726
     Net proceeds from issuance of preferred stock                                             1,399,305                 -
     Payment on license obligation                                                                     -          (329,250)
                                                                                          ---------------------------------
                   Net cash provided by (used in) financing activities                         1,632,535          (310,524)
                                                                                          ---------------------------------

                   Increase (decrease) in cash and cash equivalents                             (451,565)        1,165,362

Cash and Cash Equivalents
     Beginning                                                                                 1,305,392           140,030
                                                                                          ---------------------------------
     Ending                                                                               $      853,827   $     1,305,392
                                                                                          =================================

Supplemental Schedule of Noncash Investing and Financing Activities
     Increase (decrease) in liability for license obligation (Note 8)                     $     (439,000)  $       768,250
     Beneficial conversion feature (Note 5)                                                      395,000                 -
     Accrued dividends (Note 5)                                                                   67,023                 -
     Preferred stock dividend converted to common stock                                           11,290                 -
                                                                                          =================================
</TABLE>

See Notes to Consolidated Financial Statements.

<PAGE>
DATAKEY, INC. AND SUBSIDIARY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

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


Note 1.  Nature of Business and Significant Accounting Policies

Nature of business: Datakey, Inc. is an international supplier of electronic
products and services. The Company provides product, subsystem, and system
solutions to record, store, and transmit electronic information. The Company
also provides products and systems directed to the information security market
which enables user identification and authentication, secure data exchange, and
information validation. The Company also provides electronic products,
consisting of proprietary memory keys, cards, and other custom-shaped tokens,
that serve as a convenient way to carry electronic information and are packaged
to survive in portable environments.

Liquidity: The Company believes its working capital and cash equivalents
together with its bank line of credit will be sufficient to fund its planned
operations and continued development and promotional activities during 1999,
provided that revenues from new products materialize as expected. The Company
is, however, exploring its options to arrange additional equity financing to
provide working capital. In addition, the Company expects the bank line of
credit, which expires in May 1999, will be renewed for another year.

A summary of significant accounting policies follows:

Principles of consolidation: The consolidated financial statements include the
accounts of Datakey, Inc. and its wholly-owned subsidiary. All significant
intercompany accounts and transactions have been eliminated in consolidation.

Use of estimates: The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.

Cash and cash equivalents: For purposes of reporting in the statements of cash
flows, the Company includes all cash accounts and all highly liquid debt
instruments purchased with an original maturity of three months or less as cash
and cash equivalents on the accompanying consolidated balance sheets.

The Company maintains its cash in bank deposit accounts which, at times, may
exceed federally insured limits. The Company has not experienced any losses in
such accounts.

Inventories: Inventories are stated at the lower of cost (first-in, first-out
method) or market.

Licenses and patents: Licenses and patents are stated at cost. Patents are being
amortized using the straight-line method over their economic useful lives which
have been estimated to be five years. The costs of the license agreements are
amortized to cost of goods sold as the products incorporating the licensed units
are sold.

Accounting for long-lived assets: The Company periodically reviews the
utilization of its licenses, patents, and other long-lived assets for
impairment. To date, management has determined that no impairment in the value
of these assets has occurred. Certain licenses with a carrying value totaling
approximately $439,000 will expire in December 2000. If the Company's sales do
not meet anticipated levels, an impairment charge relating to these licenses
could be recognized in 1999 or 2000.

<PAGE>


Note 1. Nature of Business and Significant Accounting Policies
(Continued)

Depreciation:  Depreciation of equipment and leasehold
improvements is computed on the straight-line and accelerated
methods over the following estimated useful lives:

                                            Years 

Production tooling                           2-5  
Equipment                                    3-7  
Furniture and fixtures                       7  
Leasehold improvements                       Life of lease  


Warranty costs: The Company provides for estimated normal warranty costs at the
time of product sales to customers and for other costs associated with specific
items at the time their existence and amounts are determinable.

Income taxes: Deferred taxes are provided on an asset and liability method
whereby deferred tax assets are recognized for deductible temporary differences
and operating loss or tax credit carryforwards, and deferred tax liabilities are
recognized for taxable temporary differences. Temporary differences are the
differences between the amounts of assets and liabilities recorded for income
tax and financial reporting purposes. Deferred tax assets are reduced by a
valuation allowance when management determines that it is more likely than not
that some portion or all of the deferred tax assets will not be realized.
Deferred tax assets and liabilities are adjusted for the effects of changes in
tax laws and rates on the date of enactment.

Revenue recognition: The Company records sales revenue upon shipment of product
or providing services to the customer. The Company's practice is to grant credit
on an unsecured basis to customers who meet certain financial criteria.

Research and development: Research and development costs are charged to expense
as incurred.

Advertising: Expenditures for advertising costs are expensed as incurred.

Fair value of financial instruments: The Company's financial instruments consist
of cash and cash equivalents and short-term trade receivables and payables for
which current carrying amounts approximate fair value.

Loss per share: The Company computes basic and diluted net loss per share based
upon the weighted- average number of common shares outstanding during each year.
Preferred stock dividends and the beneficial conversion feature related to the
Series A preferred stock (Note 5) are included in the net loss attributable to
stockholders in calculating basic and diluted loss per share. Potential common
shares such as options, warrants, and convertible preferred stock (as discussed
in Note 6) were not included in the computation of diluted loss per common share
as their effect is antidilutive.

Due to the losses in 1998 and 1997, basic and diluted loss per share were the
same for each of these years.

<PAGE>


Note 2. Inventories

Inventories consist of the following components as of December 31, 1998 and
1997:



                                     1998            1997 
                                 --------------------------
Raw materials                    $  638,671      $  766,955
Work in process                      73,181          63,007
Finished goods                      296,096         252,775
                                 --------------------------
                                 $1,007,948      $1,082,737
                                 ==========================

Note 3. Line of Credit

The Company has available a $1,000,000 line of credit from a bank which bears
interest at 1.25 percent above the prime rate (9 percent at December 31, 1998)
and is secured by substantially all assets of the Company. The line of credit
expires in May 1999 and is subject to annual renewal. There were no balances
outstanding as of December 31, 1998 or 1997.

Note 4. Income Taxes

Income tax expense consists of the following:

                              December 31
                             1998      1997 
                          --------------------
Currently payable         $    --    $    --
Deferred                       --      325,000
                          --------------------
                          $    --    $ 325,000
                          ====================


The income tax benefit is different from that which would be computed by
applying the U.S. federal income tax rate (35 percent) to pretax loss as
follows:
<TABLE>
<CAPTION>

                                                                            December 31                      
                                                                       1998              1997    
                                                                    -----------------------------
<S>                                                                 <C>               <C>          
Computed "expected" federal tax benefit at statutory rates          $ (801,000)       $(1,350,000) 
Effect of net operating loss, with no current benefit                  801,000          1,350,000 
Change in valuation allowance                                             --              325,000 
                                                                    -----------------------------
Actual tax expense                                                  $     --          $   325,000 
                                                                    =============================
</TABLE>



<PAGE>


Note 4. Income Taxes (Continued)

Deferred taxes consist of the following components as of December 31, 1998 and
1997:

                                                1998              1997 
                                           -----------------------------
Deferred tax assets:
  Allowance for doubtful accounts          $    11,000       $    11,000
  Inventory                                    159,000           239,000
  Warranty reserve                              11,000            18,000
  Compensation and benefits                     26,000            89,000
  Net operating loss carryforward            2,981,000         1,940,000
  Research and development tax credit          172,000            68,000
                                           -----------------------------
Total gross deferred tax assets              3,360,000         2,365,000


Valuation allowance                         (3,244,000)       (2,206,000)
                                           -----------------------------
Net deferred tax assets                        116,000           159,000


Deferred tax liability:
  Depreciation                                (116,000)         (159,000)
                                           -----------------------------
Net deferred taxes                         $      --         $      --
                                           =============================


Realization of deferred tax assets is dependent upon the generation of
sufficient future taxable income. At December 31, 1996, the Company had
established a valuation allowance against a portion of the net deferred tax
assets in recognition of the risk that part of the loss carryforward may not be
realized. During 1997 and 1998, management determined that sufficient
uncertainty existed regarding the realizability of the balance of the net
deferred tax assets, and accordingly, the Company increased the valuation
allowance to entirely reserve the net deferred tax assets of the Company.

At December 31, 1998, the Company's net operating loss and tax credit
carryforwards expire as follows:

                                                 Research and 
                                                  Development
                          Operating Loss           Tax Credit 
                           Carryforward           Carryforward     
                          --------------         -------------
2011                        $1,850,000            $     --   
2012                         3,540,000               113,000
2018                         2,560,000                59,000
                          --------------         ------------- 
                            $7,950,000            $  172,000
                          ==============         =============   


The future use of federal net operating losses can be subject to annual limits
in the event of ownership changes.

<PAGE>


Note 5. Stockholders' Equity

Convertible preferred stock: The preferred stock is convertible at the rate of
one share of common stock for each share of preferred stock, subject to certain
antidilution adjustments. Conversion is mandatory in the event of certain future
public offerings of corporate stock. The holders of the preferred stock have
certain piggyback and demand registration rights, have a liquidation preference
of $2.50 per share, and share in dividends paid on common stock.

Series A convertible cumulative preferred stock: In May 1998, the Company
completed a $1.58 million convertible preferred stock offering which entitles
the preferred stockholders, for a two-year period, to convert their investment
into common shares at 80 percent of the average closing price (for a ten-day
period prior to conversion) of the Company's common stock, with a maximum
conversion price of $5.00 per share and a minimum conversion price of $2.75 per
share. On the second anniversary of the stock offering, any remaining preferred
stock is automatically converted to common stock using the same conversion
terms. Because the preferred stock can be converted to common stock at a 20
percent discount to average market value, a "beneficial conversion feature,"
which was valued at $395,000, was recorded by the Company. The beneficial
conversion feature did not require the Company to disburse any cash and was
recorded by increasing both additional paid-in capital and accumulated deficit,
with no effect on overall stockholders' equity.

The holders of the Series A convertible preferred stock are also entitled to
receive dividends at the rate of 8 percent annually, which are payable at the
option of the Company in cash or shares of the Company's common stock. Dividends
are fully cumulative and are payable upon conversion of the Series A convertible
preferred stock. The Company is accruing the dividends on a monthly basis. At
December 31, 1998, accrued but unpaid dividends totaled $67,023. The holders of
the Series A convertible preferred stock have a liquidation preference of $15.80
per share plus unpaid dividends.

Undesignated stock: The Company has 1,950,000 shares of undesignated capital
stock.

Note 6. Stock Options and Warrants

Stock options: The Company has reserved 800,000 common shares for issuance under
qualified and nonqualified stock options for its key employees and directors.
The Company has also reserved 50,000 common shares for issuance under
nonqualified options to various distributors, dealers, and consultants. Option
prices are the fair market value of the stock at the time the option was
granted. Options become exercisable as determined at the date of grant by a
committee of the Board of Directors. Options expire ten years after the date of
grant unless an earlier expiration date is set at the time of grant.


<PAGE>

Note 6. Stock Options and Warrants (Continued)

The Company has adopted the disclosure-only provisions of Statement of Financial
Accounting Standards No. 123, Accounting for Stock-Based Compensation.
Accordingly, no compensation cost has been recognized for the stock option
plans. Had compensation cost for the Company's stock option plans been
determined based on the fair value at the grant date for awards in 1998 and
1997, consistent with the provisions of SFAS No. 123, the Company's net loss
attributable to common stockholders and basic and diluted loss per share would
have changed to the pro forma amounts indicated below:

<TABLE>
<CAPTION>
                                                                   Years Ended December 31                          
                                                                    1998             1997   
                                                                 -----------------------------
<S>                                                              <C>               <C>         
Net loss attributable to common stockholders, as reported        $(2,762,688)      $(4,182,879)
Net loss attributable to common stockholders, pro forma           (3,080,178)       (4,391,620)
Basic and diluted loss per share, as reported                          (0.94)            (1.45)
Basic and diluted loss per share, pro forma                            (1.05)            (1.52)

</TABLE>

The fair value of each option grant is estimated on the date of grant using the
Black-Scholes option-pricing model with the following weighted-average
assumptions used for grants in 1998 and 1997:

<TABLE>
<CAPTION>
                                                                   Years Ended December 31                          
                                                                    1998             1997   
                                                                 -----------------------------
<S>                                                                <C>               <C>
Expected dividend yield                                                 --               --
Expected stock price volatility                                       65.79%            53.26% 
Risk-free interest rate                                                5.22%             6.17% 
Expected life of options                                           3.6 years         3.6 years  
Weighted-average fair value of options granted during the year     $   0.92          $   1.39 

</TABLE>


The pro forma effect on net loss attributable to common stockholders in 1998 and
1997 is not representative of the pro forma effect in future years because it
does not take into consideration pro forma compensation expense related to
grants made prior to 1995.

Additional information relating to all outstanding options as of December 31,
1998 and 1997, is as follows:

<TABLE>
<CAPTION>
                                                      1998                       1997                    
                                               ------------------------------------------------
                                                            Weighted-                 Weighted-
                                                            Average                    Average
                                                            Exercise                   Exercise
                                                Shares       Price        Shares        Price
                                               ------------------------------------------------
<S>                                            <C>           <C>         <C>           <C>     
Options outstanding at beginning of year       701,333       $   3.84    517,167       $   4.37
Options exercised                              (62,500)          3.73     (5,166)          3.62
Options forfeited                              (41,000)          3.12    (80,668)          4.81
Options granted                                354,500           4.13    270,000           3.12
                                               ------------------------------------------------
Options outstanding at end of year             952,333       $   3.97    701,333       $   3.84
                                               ================================================

Options exercisable at end of year             395,668       $   4.30    379,333       $   4.33
                                               ================================================
</TABLE>

<PAGE>


Note 6. Stock Options and Warrants (Continued)

The following table summarizes information about stock options outstanding at
December 31, 1998:

<TABLE>
<CAPTION>
                                           Options Outstanding             Options Exercisable   
                                         -------------------------    ------------------------------
                                          Weighted-
                                           Average
                            Number        Remaining     Weighted-          Number         Weighted-
   Range of               Outstanding     Contractual    Average         Exercisable       Average
   Exercise             at December 31,      Life        Exercise      at December 31,     Exercise
    Prices                   1998           (Years)       Price              1998           Price
- -----------------------------------------------------------------------------------------------------
<S>                         <C>               <C>       <C>                 <C>            <C>     
$2.25 - $3.38               247,000           8.1       $   2.73            62,834         $   2.83
$3.50 - $4.875              412,833           7.4           3.71           190,334             3.67
$5.00 - $8.00               292,500           6.5           5.38           142,500             5.79
- --------------           ----------------------------------------------------------------------------
$2.25 - $8.00               952,333           7.3       $   3.97           395,668         $   4.30
==============           ============================================================================
                                                                                
</TABLE>

In May 1998, warrants to purchase 225,983 shares of the Company's common stock
were issued. The exercise price of the warrants ranges from $6.00 to $6.60 per
common share. The warrants are currently exercisable and expire as follows:
2003, 188,093 and 2008, 37,890. As of December 31, 1998, none of the warrants
had been exercised.

Note 7. Major Customers and International Sales

Major customers: Net sales for 1998 and 1997 and trade receivable balances as of
December 31, 1998, include the following amounts with major customers:


                                                                 Trade
                                                              Receivables
                                 Amount of Net Sales            Balance   
                              --------------------------      -----------
                                 1998            1997             1998    
                              -------------------------------------------
U.S. government agencies      $  536,000      $1,198,000      $   30,000
Customer A                       482,000         616,000          18,000
Customer B                       583,000         638,000         140,000
                              -------------------------------------------
                              $1,601,000      $2,452,000      $  188,000
                              ===========================================


International sales: Export sales to international customers for 1998 and 1997
were $1,591,000 and $1,800,000, respectively. Accounts receivable from
international customers were approximately $288,000 at December 31, 1998.

Note 8. Commitments and Contingencies

License agreement: In December 1996, the Company entered into a license
agreement with a software company to allow the Company to bundle the licensed
products into certain of the Company's products. Under the agreement, payments
to the software company for the licensed products are based upon the number of
units sold and the nature of the software bundled. In addition, the Company
agreed to purchase a minimum quantity of software units over a specified period
of time. The value of the minimum purchase is included in the initial license
agreement.

<PAGE>


Note 8. Commitments and Contingencies (Continued)

At December 31, 1996, the Company had paid $109,750 as the first payment for the
license agreement, with an additional $768,250 to be paid in seven quarterly
installments pending the successful delivery of a beta version of the licensed
product from the software company in 1997. Upon delivery of the product in 1997,
the Company recorded an additional liability of $768,250 and a corresponding
asset for prepaid license fees. In 1997, the software company announced that
certain of the licensed software would be available at no cost to the general
public. As a result of this announcement, the Company amended the license
agreement in 1998 and fixed the total license fee obligation at $439,000, the
amount that had already been paid, rather than the $878,000 in the original
agreement. Accordingly, the remaining license fee obligation of $439,000 was
reduced to zero and the prepaid license fees were also reduced by $439,000. The
remaining prepaid license fee will be amortized as the licensed products are
sold.

Leases: The Company leases its office and warehouse facilities under
noncancelable operating leases which expire in May and June 1999. The remaining
lease commitment is approximately $75,000 in 1999. Total rent expense under
these leases totaled $160,000 and $136,000 in 1998 and 1997, respectively.

Note 9. Operating Segments

The Company adopted SFAS No. 131, Disclosures About Segments of an Enterprise
and Related Information, for the year ended December 31, 1998. This statement
requires public enterprises to report selected information about operating
segments in annual and interim reports issued to shareholders. The adoption of
this statement had no impact on the Company's financial condition or results of
operations.

The Company's reportable segments are strategic business units that offer
different products and services. They are managed separately because each
business requires different technology and marketing strategies. The Company has
two reportable segments: Electronic Products (EP) and Integrated Systems
Solutions (ISS). The Electronic Products segment produces and markets
proprietary memory keys, cards, and other custom-shaped tokens that serve as a
convenient way to carry electronic information. The Integrated Systems Solutions
segment produces and markets products for the information security market which
enable user identification and authentication, secure data exchange, and
information validation.


The accounting policies of the segments are the same as those described in the
summary of significant accounting policies. There are no intersegment
transactions. The Company evaluates performance based on operating earnings of
the respective segments.

<PAGE>


Note 9. Operating Segments (Continued)

<TABLE>
<CAPTION>
                                                           December 31, 1998                                                        
                                   ----------------------------------------------------------------
                                       EP              ISS           Unallocated          Total    
                                   ----------------------------------------------------------------
<S>                                <C>              <C>               <C>               <C>        
Revenue                            $ 5,241,000      $   629,200       $      --         $ 5,870,200
Interest income                           --               --              57,600            57,600
Depreciation and amortization          423,300          139,800              --             563,100
Segment profit (loss)                  573,100       (2,917,300)           54,800        (2,289,400)



                                                           December 31, 1997
                                   ----------------------------------------------------------------
                                       EP              ISS           Unallocated          Total
                                   ----------------------------------------------------------------
Revenue                            $ 5,868,400      $   109,100       $      --         $ 5,977,500
Interest income                           --               --             169,600           169,600
Depreciation and amortization          456,300          187,000              --             643,300
Segment profit (loss)                  349,100       (4,373,600)         (158,400)       (4,182,900)

</TABLE>


The Company does not segregate total assets between its two segments.

<PAGE>
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION & RESULTS OF 
OPERATIONS


Results of Operations
The table below summarizes changes in selected operating indicators, showing
certain income, cost and expense items as a percentage of total revenue for each
of the past three years. Inflation has not been a significant factor in
Datakey's operations to date.


                                         Percentage of Total Revenue
                                         ---------------------------
Year Ended December 31,                     1998               1997
                                            ----               ----
Revenue                                     100%               100%

Cost and Expenses
Cost of goods sold                           63                 73
Research and development                     29                 53
Marketing and sales                          35                 29
General and administrative                   13                 12
                                            ----               ----
Total cost and expenses                     140                167
Interest income                               1                  2
Loss before income taxes                    (39)               (65)
Income taxes                                  -                  5
                                            ----               ----
Net loss                                    (39)%              (70)%
                                            ====               ====

Comparison of 1998 with 1997

Total revenue: Total revenue was $5,870,000 in 1998, a decrease of 2 percent
from $5,977,000 in 1997. The revenue decrease was primarily due to a reduction
in orders from a few key Electronic Products (EP) customers, offset, in part, by
an increase in orders in the Information Systems Solutions (ISS) business
segment.

Gross margins: The gross profit margin increased to 37 percent in 1998 from 27
percent in 1997. This improvement was principally due to improved materials and
labor costs in relation to selling prices and a reduction in scrap and yield
loss.

Research and development: Research and development (R&D) expense decreased by 47
percent to $1,673,000 in 1998 from $3,186,000 in 1997. R&D expense declined
substantially because the initial new product development phase was completed in
1997, and the Company was able to concentrate on product enhancements and
upgrades during 1998.

Marketing and sales, General and administrative: Marketing and sales expense
increased 21 percent to $2,069,000 in 1998 from $1,716,000 in 1997. The increase
in 1998 expense resulted from increases in sales salaries, advertising and
promotional activities to promote the Company's information security products.
         General and administrative expenses increased 11 percent to $794,000 in
1998 from $713,000 in 1997 primarily as a result of increases in office rental,
real estate tax, and corporate insurance expense.

Interest income: Interest income decreased to $58,000 in 1998 from $170,000 in
1997 due to a decline in the Company's interest bearing cash equivalent
accounts.

Income tax expense: As a result of the net cumulative operating losses of
approximately $8,000,000 at December 31, 1998, the Company recorded no income
tax expense in 1998 compared to a tax expense of $325,000 in 1997.

Comparison of 1997 with 1996

Total revenue: Total revenue was $5,977,000 in 1997, a decrease of 9 percent
from $6,558,000 in 1996. The revenue decrease was primarily due to customer
requested delays in shipments to major electronic products customers during the
second half of 1997, resulting from delays, cancellation, or non-renewal of
orders from their customers.


<PAGE>

Gross margins: The gross profit margin decreased to 27 percent in 1997 from 35
percent in 1996, primarily as a result of lower revenue, product costs
associated with zero charge evaluation units delivered to customers, and
increases in reserves for inventory obsolescence.

Research and development: Research and development expenses increased 41 percent
to $3,186,000 in 1997 from $2,263,000 in 1996 due to the Company's significant
increase in product development activities for token-based information security
systems.

Marketing and sales, General and administrative: Marketing and sales expense in
1997 increased 31 percent to $1,716,000 from $1,312,000 in 1996 due to a planned
increase in product promotion expense to achieve market introduction of the new
token-based information security systems.
         General and administrative expenses decreased 38 percent to $713,000 in
1997 from $1,156,000 in 1996 primarily due to an accrual in 1996 for severance
pay and benefits due the Company's former chief executive officer.

Interest income: Interest income decreased 53 percent to $170,000 in 1997 from
$361,000 in 1996 due to a decline in the Company's investment in interest
bearing investments.

Income tax expense (benefit): The Company recorded an income tax expense of
$325,000 in 1997 as compared to an income tax benefit of $388,000 in 1996. As a
result of the net operating loss carryover in excess of $5,000,000 at December
31, 1997, the Company determined that the realization of the future tax benefit
of the operating losses for tax purpose was uncertain and, accordingly, the
deferred tax asset of $325,000 recorded at December 31, 1996, was entirely
reserved and charged to expense in 1997.

Liquidity and Capital Resources

The Company had a reduction of $452,000 in cash and cash equivalents in 1998
compared to a reduction of $4,828,000 in cash, cash equivalents, and
held-to-maturity securities in 1997. The 1998 reduction resulted from the net
loss of $2,289,000 due in part to significant expenditures, totaling $3,742,000,
in research and development and marketing expenses principally related to the
Company's new product development activities. The decrease was offset, in part,
by $1,633,000 in proceeds from the sale of securities. The Company invested
$183,000 in the purchase of equipment and maintenance of licenses and patents in
1998 compared to $1,151,000 in 1997. The 1997 amount is primarily attributable
to prepaid license fees related to licensed software that the Company intends to
bundle with the Company's information security systems, and purchases of
automated equipment to improve factory efficiency. Cash and cash equivalents as
of December 31, 1998, were $854,000 as compared to $1,305,000 as of December 31,
1997. See "Outlook & Risks".
         Datakey's balance sheet reflects $2,046,000 in working capital and a
current assets to current liabilities ratio of 3.8 to 1 as of December 31, 1998.



<PAGE>

Outlook & Risks

Certain statements in the following section and in other parts of this Annual
Report are forward looking, are based upon current expectations and actual
results may differ materially due to risks and uncertainties, including those
set forth below.

Revenue: Revenue from the EP segment is expected to increase gradually during
1999 as shipments to new customers come on line, which will likely result in an
increase in total revenue from this segment in 1999 compared to 1998. Revenue
from the ISS segment is expected to increase significantly as more pilot
programs move into a deployment phase and additional pilot programs are
commenced. If this revenue meets the Company's current expectations, the ISS
segment may contribute 50% of the total quarterly revenue by the end of 1999.
Revenue increases from both the EP and ISS segments depend on customer
acceptance, competition, and the effectiveness of the Company's marketing and
sales organization. There is no assurance that the Company will achieve it
revenue plan.

Gross margins: A gradual improvement in gross profit margins during 1999 is
expected through effective material purchasing, an increase in revenue without
an attendant increase in factory overhead, an increase in the revenue
contribution from ISS products that, generally, carry higher margins, and
improvements in manufacturing efficiency. Such an increase in gross margin
depends on achievement of the expected purchasing prices, realization of the
revenue increases, and a continuation of improvement in factory processes.

Research and development: The Company intends to increase funding for new
product development activities in 1999 by about 10 percent compared to 1998. The
ability to increase such funding depends on the Company's capital resources.

Marketing and sales, General and administrative: Marketing and sales expenses
are expected to increase about 15 percent in 1999 to support new product
introductions and the expected increase in revenue. General and administrative
expenses in 1999 are expected to increase slightly from the 1998 level.

Interest income (expense): Interest income is expected to decline materially in
1999 as the Company intends to use cash and cash equivalents to fund continuing
product development and marketing activities to support the Company's entry into
advanced information security products. Beginning in the second or third
quarter, the Company expects to borrow money and begin incurring interest
expense under the $1 million bank line of credit.

Income taxes: As a result of a net operating loss carry-forward the Company does
not expect to record an income tax benefit or expense during 1999.

Expected loss: The Company expects to report a loss in the first half of 1999.
The Company's ability to attain profitability in the second half of 1999 and
thereafter will depend primarily on it ability to significantly increase the
revenue contribution from its ISS segment. There is no assurance that this
revenue increase will occur.


<PAGE>

Liquidity and capital resources: In 1999, the Company plans to increase new
product development, marketing activities and inventory levels. Based on its
current plan, which assumes significantly increased revenues from its ISS
segment, the Company believes its working capital together with its bank line of
credit will be sufficient to fund its planned operations and product development
and promotional activities in 1999. Because there can be no assurance that the
revenue goals of its 1999 plan will be met, however, the Company is in the
process of seeking additional capital through a private equity placement. There
is no assurance that such a private placement will be successful or that its
bank line of credit, which expires in May 1999, will be extended. In the event
that the Company's revenues in 1999 are significantly less than projected, the
Company's inability to extend its current bank credit line or successfully
complete a private equity placement could jeopardize the Company's ability to
maintain its current business operations.

Year 2000

The Company began addressing the Year 2000 issue in 1997 using a multi-step
approach, including inventory and assessment, remediation and testing, and
contingency planning. The Company, with the assistance of outside consultants,
began by analyzing and testing its major internal software programs to determine
the level of compliance with the changeover in Year 2000. At this point the
Company believes all "mission critical" systems are either materially compliant
or will be materially compliant by June 30, 1999, with minor software upgrades.

The Company is currently seeking assurances from key suppliers and customers
regarding their Year 2000 readiness. The Company has not yet completed this part
of the assessment phase and cannot predict the outcomes of other companies'
remediation efforts.

The Company currently plans to substantially complete its Year 2000
compliance efforts by September 1999. The Company has also formed a team to
develop contingency plans by September 30, 1999, in the event certain suppliers
are unable to deliver critical parts and components in early 2000. At this time,
the Company believes that its most reasonably likely worst case scenario is that
the Company could experience delays in delivery of critical parts and supplies
and/or key customers could experience a delay in delivery of needed Datakey
parts. In the event that either of these scenarios occur, the Company expects
that it would have a material adverse effect on the Company's financial
condition and results of operations.

The Company estimates that the total cost of efforts, in 1999, to make hardware
and software Year 2000 compliant, will be approximately $20,000.





                       Consent of Independent Accountants


We consent to the incorporation by reference in the Rgistration Statements on
Forms S-8 No. 33-14144, No. 33-47068, No. 33-67280, No. 333-11405, No. 33-80894,
and No. 333-43937 of our report dated February 5, 1999, with respect to the
financial statements of Datakey, Inc., which appear in Item 7 of the annual
report on Form 10-KSB for the year ended December 31, 1998.


                                                /s/ McGladrey & Pullen, LLP
                                                McGladrey & Pullen, LLP

Minneapolis, Minnesota
March 29, 1999


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