<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Information to be Included in Statements Filed Pursuant
to Rules 13d-1(b) and (c) and Amendments Thereto Filed
Pursuant to 13d-2(b)
(Amendment No. )*
GENERAL CHEMICAL GROUP, INC.
________________________________________________________________
(Name of issuer)
Common Stock, par value $.01 per share
________________________________________________________________
(Title of class of securities)
369332101
_____________________________
(CUSIP number)
March 12, 1999
_______________________________________________
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[_] Rule 13d-1(b)
[X] Rule 13d-1(c)
[_] Rule 13d-1(d)
Page 1 of 21 Pages
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 2 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
J O Hambro Capital Management (Holdings) Limited
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
England
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 753,400
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
753,400
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
753,400
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
6.8%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
HC, CO
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 3 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
J O Hambro Capital Management Limited
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
England
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 753,400
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
753,400
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
753,400
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
6.8%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IA, CO
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 4 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
Growth Financial Services Limited
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
England
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 350,000
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
350,000
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
350,000
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
3.2%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
CO
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 5 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
North Atlantic Smaller Companies Investment Trust plc
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
England
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 350,000
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
350,000
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
350,000
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
3.2%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IV, CO
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 6 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
American Opportunity Trust plc
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
England
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 110,000
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
110,000
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
110,000
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
1.0%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IV, CO
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 7 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
Christopher Harwood Bernard Mills
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
England
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 753,400
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
753,400
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
753,400
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
6.8%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IN
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 8 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
Oryx International Growth Fund Limited
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
Guernsey (Channel Islands)
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 75,000
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
75,000
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
75,000
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
0.7%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IV, CO
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
13G
===============================================================================
CUSIP NO. 369332101 Page 9 of 21 Pages
--------- ------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
Consulta (Channel Islands) Limited
No IRS Identification Number
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
Guernsey (Channel Islands)
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
0
NUMBER OF -----------------------------------------------------------
SHARES SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 75,000
EACH -----------------------------------------------------------
REPORTING SOLE DISPOSITIVE POWER
PERSON 7
WITH 0
-----------------------------------------------------------
SHARED DISPOSITIVE POWER
8
75,000
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
75,000
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
0.7%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IA, CO
- ------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
STATEMENT ON SCHEDULE 13G
-------------------------
Item 1(a). Name of Issuer:
--------------
General Chemical Group, Inc. (the "Company").
Item 1(b). Address of Issuer's Principal Executive Offices:
-----------------------------------------------
Liberty Lane, Hampton, New Hampshire 03842.
Item 2(a). Name of Person Filing:
---------------------
This Statement is filed on behalf of the following eight persons, who are
collectively referred to as the "Filing Parties":
1. J O Hambro Capital Management (Holdings) Limited ("Holdings") is a
corporation organized under the laws of England with its principal office
and business at 10 Park Place, London SW1A 1LP England. Holdings functions
as the ultimate holding company for J O Hambro Capital Management.
2. J O Hambro Capital Management Limited ("J O Hambro Capital Management"),
formerly named J O Hambro & Partners Limited, is a corporation organized
under the laws of England with its principal office and business at 10 Park
Place, London SW1A 1LP England. J O Hambro Capital Management is
principally engaged in the business of investment management and advising.
It serves as co-investment adviser to NASCIT and American Opportunity Trust
and as investment adviser to Oryx as well as certain private clients.
3. Christopher Harwood Bernard Mills is a British citizen whose business
address is 10 Park Place, London SW1A 1LP England. His principal
employment includes service as executive director of NASCIT, as a director
of J O Hambro Capital Management and Oryx, and as co-investment adviser to
NASCIT and American Opportunity Trust.
4. Growth Financial Services Limited ("GFS"), formerly named Growth Investment
Management Limited, is a corporation organized under the laws of England
with its principal office at 77 Middle Street, Brockham, Surrey RH3 7HL
England and with its principal business at 10 Park Place, London SW1A 1LP
England. GFS has undertaken to provide the services of Christopher Mills
to NASCIT.
5. North Atlantic Smaller Companies Investment Trust plc ("NASCIT"), formerly
named Consolidated Venture Trust plc, is a corporation organized under the
laws of England with its principal office and business at 10 Park Place,
London SW1A 1LP England. NASCIT is a publicly-held investment trust
company. Christopher Harwood Bernard Mills and J O Hambro Capital
Management serve as co-investment advisers to NASCIT.
6. American Opportunity Trust plc ("American Opportunity Trust"), formerly
named Leveraged Opportunity Trust plc, is a corporation organized under the
laws of England with its principal office and business at 10 Park Place,
London SW1A 1LP England. American Opportunity Trust is a publicly-held
investment trust company. Christopher Harwood Bernard Mills and J O Hambro
Capital Management serve as co-investment advisers to American Opportunity
Trust.
7. Oryx International Growth Fund Limited ("Oryx") is a corporation organized
under the laws of the Island of Guernsey with its principal office and
business at Bermuda House, St. Julian's Avenue, St. Peter Port, Guernsey.
Oryx is a closed-end investment company. J O Hambro Capital Management and
Consulta serve as investment advisers to Oryx.
8. Consulta (Channel Islands) Limited ("Consulta") is a corporation organized
under the laws of the Island of Guernsey with its principal office and
business at Bermuda House, St. Julian's Avenue, St. Peter Port, Guernsey.
Consulta is principally engaged in the business of investment management
and advising and serving as investment manager of Oryx.
Page 10 of 21 Pages
<PAGE>
Item 2(b). Address of Principal Business Office or, if None, Residence:
-----------------------------------------------------------
The principal business address of the Filing Parties is c/o J O Hambro
Capital Management Limited, 10 Park Place, London SW1A 1LP England.
Item 2(c). Citizenship:
-----------
England
Item 2(d). Title of Class of Securities:
----------------------------
Common Stock, par value $.01 per share.
Item 2(e). CUSIP Number:
------------
369332101
Item 3. If the statement is filed pursuant to Rules 13d-1(b) or 13d-2(b),
-----------------------------------------------------------------
check whether the person filing is a:
------------------------------------
Not Applicable.
Page 11 of 21 Pages
<PAGE>
Item 4. Ownership:
---------
The aggregate number and percentage of the outstanding Common Stock of the
Company beneficially owned by each of the Filing Parties as of March 26, 1999
are as follows:
<TABLE>
<CAPTION>
Number of
Shares: Sole
Aggregate Number of Number of or Shared
Filing Number of Shares: Sole Shares: Shared Power to Approximate
Party Shares: Power to Vote Power to Vote Dispose Percentage*
- ----- ------- ------------- ------------- ------- -----------
<S> <C> <C> <C> <C> <C>
Holdings 753,400 0 753,400 753,400 6.8%
J O Hambro 753,400 0 753,400 753,400 6.8%
Capital
Management
Christopher H.B. 753,400 0 753,400 753,400 6.8%
Mills
American 110,000 0 110,000 110,000 1.0%
Opportunity Trust
GFS 350,000 0 350,000 350,000 3.2%
NASCIT 350,000 0 350,000 350,000 3.2%
Oryx 75,000 0 75,000 75,000 0.7%
Consulta 75,000 0 75,000 75,000 0.7%
</TABLE>
* Based 11,079,392 shares of Common Stock, par value $.01 per share,
outstanding as of March 1, 1999, which is based on information reported in the
Company's Annual Report on Form 10-K for the fiscal year ended December 31,
1998.
Item 5. Ownership of Five Percent or Less of a Class:
--------------------------------------------
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following [ ].
Item 6. Ownership of More than Five Percent on Behalf of Another Person:
---------------------------------------------------------------
As co-investment advisers to NASCIT, Christopher Harwood Bernard Mills and
J O Hambro Capital Management share the right to transfer and vote the shares of
Common Stock of the Company pursuant to an agreement entered into among NASCIT,
GFS and Christopher Mills and an agreement entered into between NASCIT and J O
Hambro Capital Management, each dated as of January 7, 1993, respectively.
As co-investment advisers to American Opportunity Trust, Christopher
Harwood Bernard Mills and J O Hambro Capital Management share the right to
transfer and vote the shares of Common
Page 12 of 21 Pages
<PAGE>
Stock of the Company pursuant to an agreement dated as of January 7, 1993
between American Opportunity Trust and J O Hambro Capital Management.
As investment manager for Oryx, Consulta has the right to transfer and vote
the shares of Common Stock of the Company pursuant to an agreement dated as of
February 16, 1995 between Oryx and Consulta. As investment adviser to Oryx,
J O Hambro Capital Management has the right to transfer the shares of Common
Stock of the Company pursuant to an agreement dated as of February 16, 1995
between J O Hambro Capital Management and Consulta.
As investment manager for certain of its private clients, J O Hambro
Capital Management has the right to transfer and vote the shares of Common Stock
of the Company pursuant to either agreements or arrangements entered into with
such private clients.
Item 7. Identification and Classification of the Subsidiary Which Acquired
------------------------------------------------------------------
the Security Being Reported on by the Parent Holding Company:
------------------------------------------------------------
Not Applicable.
Item 8. Identification and Classification of Members of the Group:
---------------------------------------------------------
See Item 2(a).
Item 9. Notice of Dissolution of Group:
------------------------------
Not Applicable.
Item 10. Certification:
-------------
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.
Page 13 of 21 Pages
<PAGE>
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this Statement is true, complete and correct.
Dated: 1 April 1999 J O HAMBRO CAPITAL MANAGEMENT LIMITED
By: /s/ R. C. O. Hellyer
-----------------------------------------------
Name: R. C. O. Hellyer
Title: Director
Executed on behalf of the parties hereto pursuant
to the Joint Filing Agreement filed herewith.
Page 14 of 21 Pages
<PAGE>
EXHIBITS
The following documents are filed herewith:
(a) Power of Attorney of Christopher Harwood Bernard Mills dated
February 2, 1993.
(b) Joint Filing Agreement dated as of April 1, 1999 among Holdings,
J O Hambro Capital Management, NASCIT, GFS, American Opportunity
Trust, Christopher Harwood Bernard Mills, Oryx and Consulta.
Page 15 of 21 Pages
<PAGE>
POWER OF ATTORNEY
Page 16 of 21 Pages
<PAGE>
POWER OF ATTORNEY
-----------------
This general Power of Attorney is made this second day of February 1993 by
Christopher Harwood Bernard Mills.
I hereby appoint Robert Charles Orlando Hellyer of 30 Queen Anne's Gate, London
SW1H 9AL to be my attorney whereby he is empowered to sign on my behalf all
documents required for the proper conduct of the businesses of J O Hambro &
Partners Limited, J O Hambro Investment Management Limited, Consolidated Venture
Trust plc, and its subsidiaries, Leveraged Opportunity Trust PLC and its
subsidiaries and Growth Financial Services Limited (formerly Growth Investment
Management Limited). This Power shall include but not be limited to authorising
all statutory, regulatory and other legal submissions which may be required to
be made by any of the above companies.
IN WITNESS WHEREOF I have hereunto set my hand and seal the day and year first
above written:
Signed, Sealed and Delivered )
By the above named ) /s/ Christopher Harwood Bernard Mills
CHRISTOPHER HARWOOD BERNARD MILLS )
in the presence of: )
Maureen O'Hara
[Address Appears Here]
Page 17 of 21 Pages
<PAGE>
JOINT FILING AGREEMENT
Page 18 of 21 Pages
<PAGE>
JOINT FILING AGREEMENT
The undersigned hereby agree that the Statement on Schedule 13G dated March 12,
1999 with respect to the shares of Common Stock, $0.01 par value, of General
Chemical Group, Inc. and any further amendments thereto executed by each or any
of us shall be filed on behalf of each of us pursuant to and in accordance with
the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as
amended.
This Agreement may be executed in separate counterparts, each of which shall be
deemed an original, but all of which shall constitute one and the same
instrument.
Date: 1 April 1999 NORTH ATLANTIC SMALLER COMPANIES INVESTMENT TRUST PLC
By: J O Hambro Capital Management Limited,
Its investment advisor
By: /s/ R. C. O Hellyer
---------------------------------------------
Name: R. C. O. Hellyer
Title: Director
Date: 1 April 1999 J O HAMBRO CAPITAL MANAGEMENT LIMITED
By: /s/ R. C. O. Hellyer
---------------------------------------------
Name: R. C. O. Hellyer
Title: Director
Date: 1 April 1999 J O HAMBRO & CAPITAL MANAGEMENT (HOLDINGS) LIMITED
By: /s/ R. C. O. Hellyer
---------------------------------------------
Name: R. C. O. Hellyer
Title: Director
Page 19 of 21 Pages
<PAGE>
Date: 1 April 1999 GROWTH FINANCIAL SERVICES LIMITED
By: /s/ R. C. O. Hellyer
--------------------------------------------
Name: Christopher H. B. Mills
Title: Director
R. C. O. HELLYER PURSUANT TO A POWER
OF ATTORNEY DATED 2 FEBRUARY 1993
Date: 1 April 1999 AMERICAN OPPORTUNITY TRUST PLC
By: J O Hambro Capital Management Limited,
Its investment advisor
By: /s/ R. C. O Hellyer
---------------------------------------------
Name: R. C. O. Hellyer
Title: Director
Date: 1 April 1999 CHRISTOPHER H. B. MILLS
/s/ R. C. O. Hellyer
----------------------------------------------------
R. C. O. HELLYER PURSUANT TO A POWER
OF ATTORNEY DATED 2 FEBRUARY 1993
Page 20 of 21 Pages
<PAGE>
Date: 1 April 1999 ORYX INTERNATIONAL GROWTH FUND
LIMITED
By: J O Hambro Capital Management Limited,
Its investment advisor
By: /s/ R. G. Barrett
----------------------------------------
Name: R. G. Barrett
Title: Director
Date: 1 April 1999 CONSULTA (CHANNEL ISLANDS) LTD
By: /s/ Peter A. Heaps
----------------------------------------
Name: Peter A. Heaps
Title: Director
Page 21 of 21 Pages
