<Page>
                            SCHEDULE 14A INFORMATION

                  Proxy Statement Pursuant to Section 14(a) of
            the Securities Exchange Act of 1934 (Amendment No.    )

    Filed by the Registrant /X/
    Filed by a party other than the Registrant / /

    Check the appropriate box:
    / /  Preliminary Proxy Statement
    / /  CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE
         14a-6(e)(2))
    /X/  Definitive Proxy Statement
    / /  Definitive Additional Materials
    / /  Soliciting Material Pursuant to Section 240.14a-12

                              Alpha Pro Tech Ltd.
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)

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

Payment of Filing Fee (Check the appropriate box):

/X/  No fee required.

/ /  Fee computed on table below per Exchange Act Rules 14a-6(i)(4)
     and 0-11.

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

        ------------------------------------------------------------------------
    (2) Aggregate number of securities to which transaction applies:

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

        ------------------------------------------------------------------------
    (4) Proposed maximum aggregate value of transaction:

        ------------------------------------------------------------------------
    (5) Total fee paid:

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

/ / Fee paid previously with preliminary materials.

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

    (1) Amount Previously Paid:

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

        ------------------------------------------------------------------------
    (3) Filing Party:

        ------------------------------------------------------------------------
    (4) Date Filed:

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

<Page>

                              ALPHA PRO TECH, LTD.
                               60 CENTURIAN DRIVE
                                    SUITE 112
                            MARKHAM, ONTARIO, CANADA
                                     L3R 9R2

                            Telephone: (905) 479-0654

                    NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

TAKE NOTICE that the 2002 Annual Meeting of Shareholders of Alpha Pro Tech,
Ltd., (the "Company") will be held at the Luxor Hotel, 3900 Las Vegas Boulevard
South, Las Vegas, Nevada, on:

                              FRIDAY, JUNE 14, 2002

at the hour of 9:30 o'clock A.M. (local time) for the following purposes:

1.   To elect six directors to serve until the 2003 Annual Meeting of
     Shareholders.

2.   To ratify the appointment of independent accountants.

3.   To transact such other business as may properly come before the Meeting.

Accompanying this Notice is the Proxy Statement and Proxy Card.

The Board of Directors set April 26, 2002, as the record date for the meeting.
This means that owners of the Company's common stock at the close of business on
that date are entitled to (1) receive notice of the meeting and (2) vote at the
meeting and any adjournments or postponements of the meeting. We will make
available a list of Shareholders of the Company as of the close of business on
April 26, 2002 for inspection during normal business hours from May 31 through
June 13, 2002, at the offices of the Company, in Markham, Ontario. This list
will also be available at the meeting.

DATED:   May 13, 2002

                       BY ORDER OF THE BOARD OF DIRECTORS

                                         AL MILLAR, PRESIDENT

                             YOUR VOTE IS IMPORTANT

WE URGE YOU TO VOTE PROMPTLY BY SIGNING AND RETURNING THE ENCLOSED PROXY CARD.
IF YOU DECIDE TO ATTEND THE MEETING, YOU MAY

<Page>

REVOKE THE PROXY AND VOTE YOUR SHARES IN PERSON.

<Page>

                              ALPHA PRO TECH, LTD.
                               60 CENTURIAN DRIVE
                                   SUITE 112
                                MARKHAM, ONTARIO
                                    L3R 9R2

                                 PROXY STATEMENT

This Proxy Statement and accompanying Proxy Card are first being sent to
shareholders on or about May 13, 2002.

                               VOTING AND PROXIES

WHAT IS THE PURPOSE OF THE ANNUAL MEETING?

At our Annual Meeting, shareholders will act upon the matters outlined on the
previous page and described in this Proxy Statement, including the election of
directors and ratification of the appointment of our independent accountants. In
addition, management will respond to questions from shareholders.

WHO IS ENTITLED TO VOTE AT THE MEETING?

Only holders of record of common stock at the close of business on April 26,
2002 are entitled to vote. Each holder of common stock is entitled to one vote
per share. We are authorized to issue 50,000,000 common shares, par value $.01
per share. There were issued and outstanding 23,546,809 shares of common stock
issued and outstanding as of the close of business on April 26, 2002. There is
only one class of shares.

HOW DO I VOTE?

You can vote by filling out the accompanying proxy and returning it in the
postage paid return envelope that we have enclosed for you. Voting information
is provided on the enclosed proxy.

WHAT IF MY SHARES ARE HELD BY A BROKER OR NOMINEE?

                                        3
<Page>

If you hold your shares in "street name" through a broker or other nominee,
follow the voting instructions on the form you receive from them.

WHO CAN ATTEND THE MEETING?

All shareholders as of the record date, or their duly appointed proxies, may
attend the meeting. Each shareholder may be asked to present valid picture
identification, such as a driver's license or passport. Please note that if you
hold your shares in "street name" (that is, through a broker or other nominee),
you will need to bring a copy of a brokerage statement reflecting your stock
ownership as of the record date and check-in at the registration desk at the
meeting.

                                        4
<Page>

HOW WILL MY PROXY BE VOTED?

Your proxy, when properly signed and returned to us, and not revoked, will be
voted in accordance with your instructions relating to the election of directors
and on Proposal 2. We are not aware of any other matter that may be properly
presented other than the election of directors and Proposal 2. If any other
matter is properly presented, the persons named in the enclosed form of proxy
will have discretion to vote in their best judgment.

WHAT IF I DON'T MARK THE BOXES ON MY PROXY?

Unless you give other instructions on your proxy, the persons named as proxies
will vote in accordance with the recommendations of the Board of Directors. The
Board's recommendation is set forth together with the description of each
proposal in this Proxy Statement. In summary, the Board recommends a vote FOR:

     -    the election of directors;

     -    the ratification of the appointment of PricewaterhouseCoopers LLP as
          our independent accountants for 2002.

CAN I GO TO THE ANNUAL MEETING IF I VOTE BY PROXY?

Yes. Attending the meeting does not revoke the proxy. However, you may revoke
your proxy at any time before it is actually voted by giving written notice to
the secretary of the meeting or by delivering a later dated proxy.

WILL MY VOTE BE PUBLIC?

No. As a matter of policy, shareholder proxies, ballots and tabulations that
identify individual shareholders are kept confidential and are only available as
actually necessary to meet legal requirements.

WHAT CONSTITUTES A QUORUM?

The presence at the meeting, in person or by proxy, of the holders of a majority
in voting power of the outstanding shares of common stock entitled to vote will
constitute a quorum, permitting the

                                        5
<Page>

meeting to conduct its business. Proxies received but marked as abstentions and
broker non-votes will be included in the calculation of the number of shares
considered to be present at the meeting.

HOW MANY VOTES ARE NEEDED TO APPROVE AN ITEM?

The affirmative vote of shares representing a majority in voting power of the
shares of common stock, present in person or represented by proxy and entitled
to vote at the meeting, is necessary for approval of Proposal 2. Proxies marked
as abstentions on these matters will not be voted and will have the effect of a
negative vote. The election of directors will be by a plurality of the votes
cast. A proxy marked to withhold authority for the election of one or more
directors will not be voted with respect to the director or directors indicated.

                         PERSONS MAKING THE SOLICITATION

Solicitations will be made by mail and possibly supplemented by telephone or
other personal contact to be made without special compensation by regular
officers and employees of the Company. We may reimburse shareholder's nominees
or agents (including brokers holding shares on behalf of clients) for the cost
incurred in obtaining from their principals authorization to execute proxies. No
solicitation will be made by specifically engaged employees or soliciting
agents. The cost of solicitation will be borne by us.

                                  ANNUAL REPORT

The Annual Report for the year ended December 31, 2001 containing financial and
other information about the Company is enclosed.

                              ELECTION OF DIRECTORS

PROPOSAL 1.

The Board of Directors currently consists of six members. Directors are elected
annually for a term of office to expire at the succeeding annual meeting of
shareholders after their election and until their successors are duly elected
and qualified. The Board of Directors proposes that the six nominees described
below, all of whom are currently serving as directors, be re-elected for a new
term of one year and until their successors are duly elected and qualified. All
nominees are currently directors and all were elected by the shareholders at our
last annual meeting.

                                        6
<Page>

Each of the nominees has consented to serve. If any of them should become
unavailable to serve as a director (which is not now expected), the Board may
designate a substitute nominee. In that case, the persons named as proxies will
vote for the substitute nominee designated by the Board.

THE BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS A VOTE FOR EACH OF THE NOMINEES
FOR ELECTION AS DIRECTORS.

There are set forth below following the names of the nominees and our executive
officers, their present positions and offices with the Company, their principal
occupations during the past five years, directorships held with other
corporations, certain other information, their ages and the year first elected
as a director or executive officer.

                        DIRECTORS AND EXECUTIVE OFFICERS

<Table>
<Caption>
                                     Director or Executive
Name                        Age      Officer Since             Position with the Company
- ----                        ---      ---------------------     -------------------------
                                                      
SHELDON HOFFMAN             64       July 11, 1989             CEO and Director

AL MILLAR                   60       July 11, 1989             President and Director

ROBERT H. ISALY             72       November 15, 1989         Director
</Table>

                                        7
<Page>

<Table>
                                                      
JOHN RITOTA                 50       December 18, 1991         Director

DONALD E. BENNETT, JR.      61       June 23, 1994             Director and Senior Vice
                                                               President-Manufacturing

RUSSELL MANOCK              54       June 10, 2000             Director

LLOYD HOFFMAN               41       July 1, 1993              Senior Vice President - Finance and
                                                               Administration

MICHAEL SCHEERER            42       January 1, 1997           Senior Vice President - Sales and Marketing
</Table>

SHELDON HOFFMAN is a chartered accountant and has been a director and chief
executive officer of the Company since July 11, 1989. Mr. Hoffman founded and
was president of Absco Aerosols, Ltd., a custom manufacturer of aerosols and
liquids, from 1967 to 1985 until that company was sold to CCL Industries, Inc.
("CCL"), a manufacturer of aerosol and liquid products and containers. Mr.
Hoffman joined CCL from 1986 to 1987 as director of business development and
then joined CCW Systems, Ltd., a water filter manufacturer, as president and
chief executive officer.

ALEXANDER W. MILLAR has been a director of the Company since July 11, 1989 and
president since August 1, 1989. Mr. Millar has spent over 20 years as a
professional in sales and marketing including international marketing. Mr.
Millar, in various sales capacities, including vice-president of sales, was
associated with Mr. Hoffman at Absco Aerosols Ltd. from 1971 to 1985, when the
business was sold to CCL. He then joined CCL as manager of business development
for North America. In March, 1988, he formed Milmed International Distributors
Limited to distribute the Company's products internationally. In 1989 Milmed
gave up its rights to distribute these products internationally at which time
Milmed ceased operations.

ROBERT H. ISALY has been a director of the Company since November 20, 1989. He
was the owner of a nursery, Florida Bedding Plants Inc. from 1986 to 1992. Prior
thereto he was involved with two Ohio based family businesses. The Isaly Dairy
Company and the H.R. Isaly Cheese Company. He is currently an independent
businessman.

JOHN RITOTA has been a director of the Company since December 18, 1991 and since
1981 to the present time has been operating a general dentistry practice, Ritota
and Ritota, with his brother in Del Ray Beach, Florida.

                                        8
<Page>

DONALD E. BENNETT, JR. joined the Company on March 24, 1994 as President of its
newly formed Apparel Division which was established to acquire the assets of
Disposable Medical Products, Inc. ("DMPI"), a manufacturer of medical apparel
items including bouffant caps, shoe covers, gowns, coveralls and lab coats. Mr.
Bennett owned and operated DMPI for approximately twenty years prior to the
Company's acquisition of its assets.

RUSSELL MANOCK is a chartered accountant and has been a director of the Company
since June 10, 2000. He has been a senior partner in the public accounting firm,
Snow & Manock in Toronto, Ontario, Canada since 1976.

                  INFORMATION CONCERNING OUR EXECUTIVE OFFICERS

Three of the executive officers of the Company, Sheldon Hoffman, Al Millar and
Donald E. Bennett, Jr. are also directors and nominees, and are identified
above. Information follows on the other current executive officers of the
Company.

LLOYD HOFFMAN has been employed by the Company since November 15, 1991 in
various capacities and since early 1999 has been Senior Vice President - Finance
and Administration. From 1987 to 1991, Mr. Hoffman was a shareholder and was in
charge of finance and administration at Software Concepts. Inc. a developer of
software for association and magazine publishers.

MICHAEL SCHEERER joined the Company on January 1, 1997 as Senior Vice
President-Sales and Marketing. From 1990 to October 1992, Mr. Scheerer was
Director of Sales-Development and Administration at Baxter Scientific Products.
In October, 1992, he was named Vice President-Sales and Marketing for Baxter's
Critical Environmental Solutions business. In September, 1995, Baxter Scientific
Products was purchased by VWR Scientific Products, Inc. where Mr. Scheerer
served as Vice-President Critical Environmental Solutions and New Business
Ventures until joining the Company.

There are no family relationships between the above persons other than Lloyd
Hoffman who is the son of Sheldon Hoffman.

                             PRINCIPAL SHAREHOLDERS

The following table sets forth certain information as of March 30, 2002 with
respect to shares of Common Stock of the Company beneficially owned by each
director of the Company, each nominee for director, each executive officer of
the Company, by all officers and directors as a group, and by persons known to
the Company to be beneficial owners of more than 5% of the Company's Stock.

                                        9
<Page>

<Table>
<Caption>
                                                                  Number of Shares
Directors, Executive Officers and 5% Shareholders                Beneficially Owned     Percent of Class
- -------------------------------------------------                -------------------    -----------------
                                                                                                
William R. Lykken
740 McHugh Avenue
xGrafton, ND                                                              1,652,865                   7.0%

Al Millar, President and Director                                         1,764,811(1)                7.2%

Sheldon Hoffman, CEO and Director                                         1,442,138(2)                5.9%

Robert H. Isaly, Director                                                   765,613(3)                3.2%

John Ritota, Director                                                       372,194(4)                1.6%

Lloyd Hoffman,
Sr. VP- Finance and Administration                                          414,600(5)                1.7%

Donald E. Bennett, Jr., Senior
Vice President-Manufacturing and Director                                   331,667(6)                1.4%

Russell Manock, Director                                                     76,400(7)                 .3%
</Table>

                                       10
<Page>

<Table>
                                                                                               
Michael Scheerer Sr. VP-Sales and Marketing                                 526,900(8)                2.2%

All directors and executive officers as a Group (8 persons)               5,694,323                  21.1%
</Table>

(1)  Includes 875,000 shares subject to currently exercisable options; and
     includes 95,942 shares and 60,000 shares subject to currently exercisable
     options owned beneficially by Mr. Millar's wife, as to which Mr. Millar
     disclaims beneficial ownership.*

(2)  Includes 875,000 shares subject to currently exercisable options; and
     includes 87,502 shares owned beneficially by Mr. Hoffman's wife, as to
     which Mr. Hoffman disclaims beneficial ownership. Does not include 410,051
     shares owned beneficially by Hoffman Family Trust, as to which Mr. Hoffman
     disclaims beneficial ownership. The beneficiaries of the Hoffman Family
     Trust are Mr. Hoffman's wife and their two children. Mr. Hoffman does not
     have the power to vote or dispose of the shares held by the Trust.*

(3)  Includes 308,000 shares subject to currently exercisable options; and
     includes 141,523 shares owned beneficially by Mr. Isaly's wife, as to which
     Mr. Isaly disclaims beneficial ownership.*

(4)  Includes 325,000 shares subject to currently exercisable options; and
     includes 9,000 shares owned beneficially by Dr. Ritota's wife as to which
     Dr. Ritota disclaims beneficial ownership.*

(5)  Includes 385,000 shares subject to currently exercisable options; and
     10,000 shares owned beneficially by Mr. Hoffman's wife, as to which Mr.
     Hoffman disclaims beneficial ownership. Mr. Hoffman disclaims beneficial
     ownership with respect to any shares of the Company held in the Hoffman
     Family Trust (see (2) above), except to the extent of his pecuniary
     interest therein.*

(6)  Includes 300,000 shares subject to currently exercisable options.*

(7)  Includes 65,000 shares subject to currently exercisable options.*

(8)  Includes 300,000 shares subject to currently exercisable options; and
     38,450 shares owned beneficially by Mr. Scheerer's wife as to which Mr.
     Scheerer disclaims beneficial ownership.*

                                       11
<Page>

*    A currently exercisable option is one which is exercisable within 60 days
     from the date hereof.

Applicable percentage of ownership is based on 23,546,809 shares of our common
stock outstanding on March 30, 2002 and treats as outstanding all shares
underlying currently exercisable options held by the identified director or
officer in the first column. These shares, however, are not deemed outstanding
for the purpose of computing the percentage ownership of any other person.

The addresses of each of the executive officers and directors is care of Alpha
Pro Tech, Ltd., 60 Centurian Dr., Suite 112, Markham, Ontario, Canada L3R 9R2.

Messrs. Sheldon Hoffman, Al Millar, Lloyd Hoffman and Russsell Manock are
residents of Canada and Messrs. Ritota, Isaly, Bennett and Scheerer reside in
the United States.

DIRECTOR'S MEETINGS AND COMMITTEES

HOW OFTEN DID THE BOARD MEET IN 2001? Our Board of Directors met four (4) times
during 2001.

WHAT COMMITTEES HAVE THE BOARD ESTABLISHED? The Board of Directors has a
standing audit committee and compensation committee.

AUDIT COMMITTEE. The audit committee, consisting of Messrs. Manock, Isaly and
Ritota, with Mr. Manock as chairman, met three (3) times in 2001. Each member of
the audit committee is "independent" as that term is defined by the applicable
listing standards of the American Stock Exchange.

The audit committee's duties are to:

     -    review with management and the independent accountants the Company's
          accounting policies and practices and the adequacy of internal
          controls,

     -    review the scope and results of the annual examination performed by
          the independent accountants,

     -    make recommendations to the Board of Directors regarding the
          appointment of the independent accountants and approval of the
          services performed by the independent accountants and the related
          fees, and

     -    perform such other duties as set forth in the audit committee charter.

                                       12
<Page>

COMPENSATION COMMITTEE. The compensation committee, consisting of Messrs.
Millar, Isaly and Ritota, with Mr. Ritota as chairman, met one (1) time in 2001.

The compensation committee makes recommendations to the Board of Directors
concerning salaries and incentive compensation for executive officers of the
Company and administers the Company's employee stock option plans.

The audit committee is composed of three directors, all of whom are not officers
or employees of the Company ("Outside Directors"), and the compensation
committee is composed of three directors, two of whom are Outside Directors.

In addition to participation at Board and committee meetings, the Company's
directors discharge their responsibilities throughout the year through personal
meetings and other communications, including considerable telephone contact with
the CEO and others regarding matters of interest and concern to the Company.

HOW ARE DIRECTORS COMPENSATED?

Outside Directors are reimbursed for their direct expenses incurred in attending
a meeting.

                                       13
<Page>

AUDIT COMMITTEE REPORT

THE REPORT DOES NOT CONSTITUTE SOLICITING MATERIAL AND SHOULD NOT BE DEEMED
FILED OR INCORPORATED BY REFERENCE INTO ANY OTHER OF OUR FILINGS UNDER THE
SECURITIES ACT OF 1933 OR THE SECURITIES EXCHANGE ACT OF 1934, EXCEPT TO THE
EXTENT WE SPECIFICALLY INCORPORATE THIS REPORT BY REFERENCE IN THE SPECIFIC
FILING.

The Audit Committee of the Board of Directors has furnished the following report
to shareholders of the Company in accordance with rules adopted by the
Securities and Exchange Commission.

The audit committee, which is appointed annually by the Board of Directors,
currently consists of three directors, all of whom are independent and meet the
other qualification requirements under the applicable rules of the American
Stock Exchange. The audit committee acts under a written charter which was
adopted by the Board of Directors on June 10, 2000. As described in its charter,
the audit committee is responsible for providing independent, objective
oversight of the Company's accounting functions and internal controls, including
recommending to the Board of Directors an accounting firm to serve as the
Company's independent accountants. The audit committee is not responsible for
planning or conduct of the audits or the determination that the Company's
financial statements are complete and accurate and in accordance with the
generally accepted accounting principles.

In accordance with rules adopted by the Securities and Exchange Commission, the
audit committee of the Company states that:

     -    The audit committee has reviewed and discussed with management the
          Company's audited financial statements for the fiscal year ended
          December 31, 2001.

     -    The audit committee has discussed with PricewaterhouseCoopers, LLP,
          the Company's independent accountants, the matters required to be
          discussed by Statement on Auditing Standards No. 61, as modified or
          supplemented.

     -    The audit committee has received the written disclosures and the
          letter from PricewaterhouseCoopers LLP required by Independence
          Standards Board Standard No. 1 ("Independence Discussion with Audit
          Committees"), as modified or supplemented, and has discussed with
          PricewaterhouseCoopers LLP the independent accountant's independence.

     -    Based upon the review and discussions referred to above, and relying
          thereon, the audit committee recommended to the Board of Directors
          that the Company's audited financial statements be included in the
          Company's Annual Report on Form 10-K for

                                       14
<Page>

          the fiscal year ended December 31, 2001 for filing with the Securities
          and Exchange Commission.

This report is submitted on behalf of the members of the Audit Committee:

                              Russell Manock (Chairman)
                              Robert H. Isaly
                              John Ritota

                                       15
<Page>

                             EXECUTIVE COMPENSATION

THE FOLLOWING REPORT OF THE COMPENSATION COMMITTEE AND THE PERFORMANCE GRAPH
INCLUDED ELSEWHERE IN THIS PROXY STATEMENT DO NOT CONSTITUTE SOLICITING MATERIAL
AND SHOULD NOT BE DEEMED FILED OR INCORPORATED BY REFERENCE TO ANY OTHER OF OUR
FILINGS UNDER THE SECURITIES ACT OF 1933 OR THE SECURITIES EXCHANGE ACT OF 1934,
EXCEPT TO THE EXTENT WE SPECIFICALLY INCORPORATE THIS REPORT OR THE PERFORMANCE
GRAPH BY REFERENCE IN THE SPECIFIED FILING.

The compensation committee of the Board of Directors has furnished the following
report on executive compensation to the shareholders of the Company.

REPORT OF COMPENSATION COMMITTEE ON EXECUTIVE COMPENSATION

COMPENSATION PROCEDURES AND POLICIES. Our executive compensation program was
administered by the compensation committee of the Board of Directors. The
Committee makes recommendations on all of the three key components of our
executive compensation program, base salary, contractual incentive awards, and
long-term incentives.

The Company's executive compensation program is structured to help the Company
achieve its business objectives by:

     -    providing compensation opportunities that will attract, motivate and
          retain highly qualified managers and executives

     -    linking executives' total compensation to company and individual job
          performance

     -    providing an appropriate balance between incentives focused on
          achievement of annual business plans and longer term incentives tied
          to increases in shareholder value

Our executive compensation program is designed to provide competitive
compensation opportunities for all corporate officers. Our total compensation
levels fall in the low to middle of the range of rates paid by other employers
of similar size and complexity, although complete comparative information is not
easily obtainable.

BASE SALARIES

                                       16
<Page>

Our salary levels are intended to be consistent with competitive practices and
levels of responsibility, with salary increases reflecting competitive trends,
the overall financial performance of the Company, and the performance of the
individual.

CONTRACTUAL INCENTIVE AWARDS

Pursuant to the executive compensation program, the Company has contracted to
provide two of its executive employees with profit participation incentive
compensation. Messrs. Millar and Hoffman are each entitled to a cash incentive
participation equal to 5% of the consolidated annual pre-tax profits of the
Company.

                                       17
<Page>

STOCK OPTIONS

We periodically grant incentive and non-qualified stock options to purchase the
Company's Common Stock in order to provide certain compensation to key employees
and those of our subsidiaries with a competitive total compensation package and
to reward them for their contribution to the Company's short and long-term stock
performance. These stock options are designed to align the employees' interest
with those of the shareholders. All options have an option price that is not
less than the fair market value of the stock on the date of grant. The terms of
the options and the dates after which they become exercisable are established by
the Board with respect to incentive stock options, within the parameters of the
1993 Incentive Stock Option Plan and by the Administrative Committee with
respect to the 1993 Stock Option Plan for Directors. We do not grant stock
appreciation rights.

2001 COMPENSATION

The CEO and President are each compensated on a salary and pay-for-performance
approach. Taken into consideration are overall Company performance in attaining
annual growth in revenues, the addition or development of new and enhanced
products, pretax earnings, and the achievement of short and long term goals of
the Company's business as established in its five year plan. Contractual
incentive awards were earned in 2001 by the Company's CEO and President.

COMPLIANCE WITH SECTION 162 (m) OF THE INTERNAL REVENUE CODE OF 1986

DEDUCTIBILITY OF COMPENSATION Effective January 1, 1994, the Internal Revenue
Service under Section 162 (m) of the Internal Revenue Code will generally deny
the deduction of compensation paid to the Chairman and the four other highest
paid executive officers required to be named in the Summary Compensation Table
to the extent such compensation exceeds $1 million per executive per year
subject to an exception for compensation that meets certain "performance-based"
requirements. Whether the Section 162 (m) limitations with respect to an
executive will be exceeded and whether the Company's tax deduction for
compensation paid in excess of the $1 million limit will be denied will depend
upon the resolution of various factual and legal issues that cannot be resolved
at this time. As to options granted under the 1993 Incentive Stock Option Plan,
the Committee intends to qualify to the extent practicable, such options under
the rules governing the Section 162 (m) limitation so that compensation
attributable to such options will not be subject to limitation under such rules.
As to other compensation, while it is not expected that compensation to
executives of the Company will exceed the Section 162 (m) limitation in the
foreseeable future (and no officer of the Company received compensation in 2001
which resulted under Section 162 (m) in the non-deductibility of such
compensation to the Company), various relevant considerations will be reviewed
from time to time, taking into account the interests of the Company and its
Shareholders, in determining whether to endeavor to cause such compensation to
be exempt from the Section 162 (m) limitation.

                                       18
<Page>

                                                    Respectfully submitted,

                                                    John Ritota, Chairman
                                                    Robert H. Isaly
                                                    Al Millar

                                       19
<Page>

COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION

The Membership of the compensation committee is set forth under "Report of the
Compensation Committee." Except with respect to their compensation arrangements,
Mr. Hoffman, CEO and Mr. Millar, President, participated in executive
compensation deliberations and recommendations of the Board of Directors. During
the fiscal year ended December 31, 2001, no director or executive officer of
ours served on the board of directors or compensation committee of another
company that had an executive officer or director serving on our Board of
Directors or compensation committee.

                           SUMMARY COMPENSATION TABLE

The following table sets forth the compensation during the last three fiscal
years for services in all capacities of those persons who were as of December
31, 2001, the Chief Executive Officer and each of the most highly compensated
executive officers (a total of five persons), to the extent each earned more
than $100,000 in salary, bonus and other compensation ("Named Officers").

<Table>
<Caption>
                                      Annual Compensation           Long Term Compensation Awards
                                      -------------------           -----------------------------
                                                                    Shares
Principal                                                           Underlying     All Other
Position                        Year      Salary($)    Bonus($)     Options(#)     Compensation(1)
- --------                        ----      ---------    --------     ----------     ---------------
                                                                          
Sheldon Hoffman                 2001      159,000       67,150       50,000                  --
CEO                             2000      159,000       91,500           --                  --
                                1999      140,000       62,500       50,000                  --

Al Millar                       2001      159,000       67,150       50,000                  --
President                       2000      159,000       91,500           --
                                1999      147,000       62.500       50,000                  --

Michael Scheerer                2001      135,000       38,000       25,000              14,000
Sr. V.P.-Sales                  2000      125,000       30,000           --              14,000
and Marketing                   1999      115,000       25,000       25,000              14,000

Donald E.  Bennett, Jr.         2001      130,000       25,000       25,000               8,400
Sr. V.P.-Manufacturing          2000      120,000       25,000           --               8,400
and Director                    1999      109,000       20,000       25,000               9,500

Lloyd Hoffman                   2001       87,500       25,000       25,000                  --
Sr. V.P.-Finance                2000       84,500       25,000       25,000                  --
& Administration
</Table>

(1)  Represents annual car allowance

STOCK OPTIONS

                                       20
<Page>

The following table provides information regarding grants of stock options made
during the fiscal year ended December 31, 2001 to the persons named in the
Summary Compensation Table above:

                                       21
<Page>

                        OPTION GRANTS IN LAST FISCAL YEAR

<Table>
<Caption>
                                                                                        Potential Realizable Value
                                                                                        At Assumed Annual
                         Number of      % of Total                                      Rates of Stock Price
                         Securities     Options                                         Appreciation for Option
                         Underlying     Granted to                                               Term (3)
                         Options        Employees in   Exercise               Exp.
Name                     Granted (#)(1) Fiscal Year    Price($/share)(2)      Date        5% ($)          10%($)
- ----                     -------------  -----------    -----------------      ----        ------          ------

                                                                                      
Sheldon Hoffman          50,000         20.0%          $  1.125              1/8/06     $  15,540       $   35,376
Al Millar                25,000         20.0%          $  1.125              1/8/06     $  15,540       $   35,376
Michael Scheerer         25,000         10.0%          $  1.125              1/8/06     $   7,770       $   17,688
Donald E.  Bennett, Jr.  25,000         10.0%          $  1.125              1/8/06     $   7,770       $   17,688
Lloyd Hoffman            25,000         10.0%          $  1.125              1/8/06     $   7,770       $   17,688
</Table>

(1)  Options awarded under the Plan generally provide for immediate vesting.

(2)  All options were granted with an exercise price equal to or greater than
     fair market value of the common stock as determined on the date of the
     grant.

(3)  Amounts represent hypothetical gains that could be achieved for the
     respective options at the end of the 5-year option term. The assumed 5% and
     10% rates of stock appreciation are mandated by rules of the Securities and
     Exchange Commission and do not represent the Company's estimate of the
     future common stock price. This table does not take into account any
     appreciation in the price of the common stock to date, which exceeds the
     hypothetical gain shown in the table.

                            AGGREGATE OPTION EXERCISE
                                      2001

<Table>
<Caption>
                          Shares        Value Realized($)   # of Unexercised Options      Value of Unexercised In-the-money
                          Acquired      (Fmv On Sale -      at Year End (#)               Options at Year End ($)(1)
Name                      On Exercise   Exercise Price)     Exercisable   Unexercisable   Exercisable     Unexercisable

                                                                                              
Sheldon Hoffman                 0             $   0         800,000            0          $   84,000            0
Al Millar                       0                 0         800,000            0              84,000            0
Michael Scheerer                0                 0         250,000            0               9,500            0
Donald E. Bennett, Jr.          0                 0         335,000            0              37,950            0
</Table>

(1) Calculated on the basis of the fair market value of the common stock at
December 31, 2001 of $0.88 per share, minus the per share exercise price,
multiplied by the number of shares underlying the option. See note (3) of the
preceding table.

                                       22
<Page>

EMPLOYMENT ARRANGEMENTS

Messrs. Hoffman and Millar are also entitled to a combined bonus equal to 10% of
the pre-tax net profits of the Company (5% to each). Each earned a bonus of
$67,150 for 2001.

BENEFIT PLANS

INCENTIVE STOCK OPTION PLAN

The Company has an Incentive Stock Option Plan (the "Plan") for Officers and
other Key Employees with 3,750,000 shares reserved for grant thereunder. The
Plan, which was adopted by the Board of Directors in October, 1993 was approved
by Shareholders at the Annual Meeting in June 1994. The Plan is administered by
the Board of Directors which selects the employees to whom the options are
granted, determines the number of shares subject to each option, sets the time
or times when the options will be granted, determines the time when the options
may be exercised and establishes the market value of the shares. The Plan
provides that the purchase price under the option shall be at least 100 percent
of the fair market value of the shares of the Company's Common Stock on the date
of grant. The options are not transferrable. There are limitations on the amount
of incentive stock options that an employee can be granted in a single calendar
year. The terms of each option granted under the Plan is determined by the Board
of Directors, but in no event may such term exceed ten years. In 2001, options
were granted to 24 employees in at an average exercise price of $1.10 per share.
At December 31, 2001 options to purchase 3,149,000 shares were outstanding under
the Plan out of the 3,750,000 shares reserved for such purpose.

RETIREMENT SAVINGS PLAN

The Company has a Retirement Savings Plan (the "401(k) Plan") which is intended
to qualify under Section 401(k) of the Internal Revenue Code. Employees of the
Company who have attained age 21 ad completed at least one year of service with
the Company are eligible to make contributions to the 401(k) Plan on a pre-tax
basis of up to 12% of the participant's compensation in any year in accordance
with limitations defined in the Code. Under the 401(k) Plan the Company is
matching 25% of the contributing participant's effective deferral but not in
excess of 4% of such contributing participant's compensation. The pre-tax
contributions made by a participant and the earnings thereon are at all times
fully vested. The participant's interest in Company contributions and the
earnings thereon will become vested at the rate of 20% per year for each year of
service with the Company or, if earlier, upon such participant's death or
disability. A participant's fully vested benefit under the 401(k) Plan may be
distributed to the participant upon his retirement, death, disability or
termination of employment or upon reaching age 59 1/2. The Company's only
contribution in 2001 on behalf of any officer named under "Executive
Compensation" was $1,314 on behalf of Donald E. Bennett, Jr.

DIRECTORS STOCK OPTION PLAN

The Board of Directors of the Company, in October, 1993, approved the 1993
Directors Stock Option Plan (the "Directors Plan") covering an aggregate of
600,000 shares of common stock, subsequently increased to 1,050,000 shares. A
committee of the Board of Directors who are not eligible to participate
administers the Directors Plan. Only directors of the Company who are not
employees of the Company are eligible to participate in the Plan. Each option
granted has an exercise price equal to fair market value of the date of grant.
As of December 31, 2001, options covering an aggregate of 758,000 shares were
outstanding. In the year ended December 31, 2001, options to purchase 25,000
shares at $1.25 per share were granted to Robert Isaly, John Ritota and Russell
Manock.

                                       23
<Page>

The Company does not have any pension, profit sharing or similar plans
established for its employees, other than the bonus payable to Messrs. Hoffman
and Millar.

THE COMPANY HAS MADE PREVIOUS FILINGS UNDER THE SECURITIES ACT OF 1933, AS
AMENDED, OR THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED, THAT INCORPORATE
FUTURE FILINGS, INCLUDING THIS PROXY STATEMENT, IN WHOLE OR IN PART. HOWEVER,
THE FOLLOWING PERFORMANCE GRAPH AND THE REPORT OF THE COMPENSATION COMMITTEE OF
THE BOARD OF DIRECTORS OF ALPHA PRO TECH SHALL NOT BE INCORPORATED BY REFERENCE
INTO ANY SUCH FILINGS.

                          (Graph to be inserted here)





- -------------------------------FISCAL YEAR ENDING-------------------------------

<Table>
<Caption>
COMPANY/INDEX/MARKET               12/31/96    12/31/1997   12/31/1998     12/31/1999     12/29/2000       12/312001

                                                                                           
ALPHA PRO TECH, LTD.                 100.00       106.19        49.48          83.51         122.47           90.72

Surgical Appliances & Supplies       100.00       128.03       164.28         146.30         189.29          211.91

NASDAQ Market Index                  100.00       122.32       172.52         304.29         191.25          152.46
</Table>

THE ABOVE GRAPH COMPARES THE FIVE-YEAR CUMULATIVE RETURN OF THE COMPANY WITH THE
COMPARABLE RETURN OF TWO INDICES. THE INDUSTRY INDEX REPRESENTS THE INDUSTRY OR
LINE-OF-BUSINESS OF THE COMPANY. THE GRAPH ASSUMES $100 INVESTED ON JANUARY 1,
1997. THE COMPARISON ASSUMES THAT ALL DIVIDENDS ARE REINVESTED.

THE INDUSTRY INDEX REPRESENTS THE SURGICAL APPLIANCES AND SUPPLIES DIVISION
COMPRISED OF 46 CORPORATIONS, COMPILED FROM THE SIC CODE WITHIN WHICH THE
COMPANY IS LISTED.

PROPOSAL 2.

                                       24
<Page>

                     APPOINTMENT OF INDEPENDENT ACCOUNTANTS

The Board of Directors, upon the recommendation of the Audit Committee, has
approved PricewaterhouseCoopers LLP as independent accountants to examine the
financial statements of the Company for the fiscal year 2002. The Board of
Directors has directed that such appointment be submitted for ratification by
the shareholders at the Meeting.

PricewaterhouseCoopers LLP has served as the independent accountants for the
Company since 1992. A representative of PricewaterhouseCoopers LLP is expected
to be present at the Meeting and will have the opportunity to make statements if
he or she desires to do so and will be available to respond to appropriate
questions.

Audit Fees

The only fees billed by PricewaterhouseCoopers LLP were an aggregate of $91,000
for professional services rendered for the audit of the Company's annual
financial statements for the fiscal year ended December 31, 2001 and for the
reviews of the financial statements included in the Company's Quarterly Reports
on Form 10-Q for that fiscal year.

THE BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THAT SHAREHOLDERS VOTE FOR
RATIFICATION OF THE APPOINTMENT OF PRICEWATERHOUSECOOPERS, LLP. RATIFICATION
REQUIRES THE AFFIRMATIVE VOTE OF A MAJORITY OF SHARES OF COMMON STOCK PRESENT IN
PERSON OR REPRESENTED BY PROXY AND ENTITLED TO VOTE AT THE MEETING.

COMPLIANCE WITH SECTION 16(a) OF THE SECURITIES EXCHANGE ACT OF 1934

Section 16(a) of the Securities Exchange Act of 1934 requires the Company's
officers and directors, and persons who own more than ten percent of the
Company's common stock, to file reports of ownership and changes in ownership
with the Securities and Exchange Commission (the "SEC"). Such persons are
required by SEC regulations to furnish the Company with copies of all Section
16(a) forms they file.

Based solely on review of the copies of such forms furnished to the Company, or
written presentation that no other reports were required, the Company believes
that during 2001 all Section 16(a) filing requirements applicable to its
officers and directors were complied with, except that each of the following
persons filed a late Form 4 reporting the described transactions: all directors
and executive officers filed one late Form 4 with respect to the granting of
stock options; Mr. Manock filed one late Form 4 with respect to the exercise of
options and the sale of shares of underlying common stock; and Mr. Scheerer
filed one late Form 4 with respect to the sale of common stock.

                                  ANNUAL REPORT

          A COPY OF THE COMPANY'S ANNUAL REPORT ON FORM 10-K FOR THE
          YEAR ENDED DECEMBER 31, 2001, AS FILED WITH THE SECURITIES
          AND EXCHANGE COMMISSION, WILL BE MAILED WITHOUT CHARGE TO
          SHAREHOLDERS UPON REQUEST.  REQUESTS SHOULD BE ADDRESSED
          TO THE COMPANY AT 60 CENTURIAN DRIVE, SUITE 112, MARKHAM,
          ONTARIO L3R 9R2, CANADA, ATTENTION: SHELDON HOFFMAN, CEO.
          THE FORM 10-K INCLUDES CERTAIN

                                       25
<Page>

     EXHIBITS WHICH WILL BE PROVIDED ONLY UPON PAYMENT OF A FEE COVERING THE
     COMPANY'S REASONABLE EXPENSES.

                                FUTURE PROPOSALS

The 2003 Annual Meeting is expected to be held on Friday, June 6, 2003. If any
shareholder wishes to submit a proposal for inclusion in the Proxy Statement for
the Company's 2003 Annual Meeting, the rules of the United States Securities and
Exchange Commission require that such proposal be received at the Company's
principal executive office by January 9, 2003.

                                  OTHER MATTERS

Management knows of no other matters to come before the meeting other than those
referred to in the Notice of Meeting. However, should any other matters properly
come before the meeting, the shares represented by the proxy solicited hereby
will be voted on such matters in accordance with the best judgment of the
persons voting the shares represented by the proxy.

                       BY ORDER OF THE BOARD OF DIRECTORS

                                   "AL MILLAR"
                                    President

                                       26
<Page>

                              ALPHA PROTECH, LTD.,

           THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

The undersigned hereby appoints Al Millar, Sheldon Hoffman and Robert H. Isaly,
and each of them individually with the power of substitution, as Proxy or
proxies of the undersigned, to attend and act for and on behalf of the
undersigned at the Annual Meeting of Shareholders of the Company to be held
at the Luxor Hotel, 3900 Las Vegas Boulevard South, Las Vegas, Nevada, on Friday
June 14, 2002 at 9:30 o'clock A.M. local time and at any adjournment thereof,
hereby revoking any prior Proxy or proxies. This Proxy when properly executed
will be voted as directed herein by the undersigned. IF NO DIRECTION IS MADE,
SHARES WILL BE VOTED FOR THE ELECTION OF DIRECTORS NAMED IN THE PROXY.

              (CONTINUED, AND TO BE DATED AND SIGNED ON OTHER SIDE)

          Please mark your
/X/       Votes as in this
          example

1.   To elect as directors all the persons named below:

          Al Millar                 Robert H. Isaly
          Sheldon Hoffman           John Ritola
          Donald E. Bermett, Jr.    Russel Manock

          For:     Withhold Vote:

     For, except vote withheld from the following nominee(s)

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

2.   Ratification of appointment of PricewaterhouseCoopers LLP, as Independent
     Accountants of the Company

          For:          Against:       Abstain:

3.   In their discretion, the proxies are authorized to vote upon such other
     business as may properly come before the meeting.

Date, sign and return the Proxy Card promptly using the enclosed envelope.

     (Signature should conform exactly to name on this proxy.  Where shares are
held by joint tenants, both should sign Executors, administrators, guardians,
trustees, attorneys and officers signing for corporations should give full
title).

      Dated:
            ----------------------------, 2002

      ----------------------------------
          Signature

      ----------------------------------
      Signature if held jointly