Rule 8.3 - Horizon Technology Group Plc

    


Loeb Partners Corporation



Ap 9

Appendix 3 Disclosure Forms

                  Page 1 of 4 FORM 8.1/8.3 IRISH TAKEOVER PANEL

Date of disclosure...... June 9, 2008

Lodge with the Stock Exchange (which may publicise) and with the Panel. Use
separate form for each class of securities in which dealings have been made.

DISCLOSURE UNDER RULE 8.1(a), 8.1(b)(i) and 8.3 OF THE IRISH TAKEOVER PANEL ACT,
                           1997, TAKEOVER RULES, 2007

Date of Dealing ............................June 5, 2008

Dealing in (name of company)......Horizon Technology Group Plc

(1) Class of securities (e.g. ordinary shares) ordinary shares (via Swap)

(2) Amount bought 270,000     Amount sold     Price per unit
                                              1.14 Euro

(4) Party making disclosure...Loeb Partners Corporation..........

           (3) Resultant total of the same class owned or controlled
               (and percentage of class) 1,120,548..................1.36% (%)

(5) EITHER (a) Name of purchaser/vendor (Note 1) OR (b) If dealing for
discretionary client(s), name of fund management organisation
Loeb Partners Corporation

(6) Reason for disclosure (Note 2)

YES/NO(a) (i) offeror or associate of offeror (Note 3)

YES/NO(ii) offeree or associate of offeree Specify which category or categories
of associate ((a) to (l) page 3/4) ................................ If category
(l), explain ..........

(b) Rule 8.3 (i.e. disclosure because of ownership or control of 1% or more the
class of relevant securities dealt in) YES/NO

Signed, for and on behalf of the party named in (4) above................

(Also print name of signatory)....Shelby Drescher.....

Telephone and extension number....212-483-7070