Explanation of Responses

(2)  Includes 548,411 shares held by VFI, a Delaware
limited partnership, and 104,858 shares held by VFII,
a Delaware limited partnership.  The Vertical Group,
L.P., a Delaware limited partnership, is the sole
general partner of each of VFI and VFII, and The
Vertical Group GP, LLC controls The Vertical Group,
L.P. Mr. Emmitt is a Member and Manager of The Vertical
Group GP, LLC, which controls The Vertical Group, L.P.
All ordinary shares indicated as owned by Mr. Emmitt
are included because of his affiliation with The
Vertical Group, L.P.  Mr. Emmitt disclaims beneficial
ownership of all securities that may be deemed to be
beneficially owned by The Vertical Group, L.P., except
to the extent of any indirect pecuniary interest
therein.  This Form 4 shall not be deemed an admission
that Mr. Emmitt or any other person referred to herein
is a beneficial owner of any securities for purposes of
Section 16 of the Securities Exchange Act of 1934 or
for any other purpose.