13G Filing: Ardsley Partners and American Superconductor Corp (AMSC)

CUSIP No. 030111207

The
following certification shall be included if the statement is filed pursuant to §240.13d-1(b)
with respect to Ardsley Advisory Partners:

By
signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and
are held in the ordinary course of business and 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. x

The
following certification shall be included if the statement is filed pursuant to §240.13d-1(c)
with respect to Ardsley Partners I:

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. x

The
following certification shall be included if the statement is filed pursuant to §240.13d-1(c)
with respect to Philip J Hempleman :

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. x 

The
following certification shall be included if the statement is filed pursuant to §240.13d-1(c)
with respect to Ardsley Partners Fund II, L.P.:

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.
x 

The
following certification shall be included if the statement is filed pursuant to §240.13d-1(c)
with respect to Ardsley Partners Institutional Fund, L.P.:

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. x 

The
following certification shall be included if the statement is filed pursuant to §240.13d-1(c)
with respect to Ardsley Partners Advanced Healthcare Fund, L.P. :

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. x

The
following certification shall be included if the statement is filed pursuant to §240.13d-1(c)
with respect to Ardsley Partners Renewable Energy Fund, L.P. :

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. x