EXHIBIT A
AGREEMENT OF JOINT FILING
In accordance with Rule 13d-1(f) under the Securities Exchange
Act of 1934, as amended, the undersigned hereby agree to the joint filing with
all other Reporting Persons (as such term is defined in the Schedule 13D
referred to below) of a statement on Schedule 13D or any amendments thereto,
with respect to the Common Stock of H.E.R.C. Products Incorporated and that this
Agreement be included as an Exhibit to such filing.
This Agreement may be executed in any number of counterparts
each of which shall be deemed to be an original and all of which together shall
be deemed to constitute one and the same Agreement.
IN WITNESS WHEREOF, the undersigned hereby execute this
Agreement as of the 22nd day of April, 1998.
HILLTOP PARTNERS, L.P.
By: XXXXXX CAPITAL MANAGEMENT, INC,
as General Partner
By: /s/ Xxxxx Xxxxxx
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Xxxxx Xxxxxx, President
XXXXXX CAPITAL MANAGEMENT, INC.
By: /s/ Xxxxx Xxxxxx
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Xxxxx Xxxxxx, President
/s/ Xxxxx Xxxxxx
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XXXXX XXXXXX
