X0303 4/A 2008-07-29 2008-07-30 0 0001394954 GT Solar International, Inc. SOLR 0001440205 GT SOLAR HOLDINGS, LLC GFI ENERGY VENTURES, LLC 11611 SAN VICENTE BOULEVARD, SUITE 710 LOS ANGELES CA 90049 0 0 1 0 0001311239 OCM/GFI POWER OPPORTUNITIES FUND II LP GFI ENERGY VENTURES, LLC 11611 SAN VICENTE BOULEVARD, SUITE 710 LOS ANGELES CA 90049 0 0 1 0 0001311238 OCM/GFI POWER OPPORTUNITIES FUND II CAYMAN LP GFI ENERGY VENTURES, LLC 11611 SAN VICENTE BOULEVARD, SUITE 710 LOS ANGELES CA 90049 0 0 1 0 0001440206 GFI POWER OPPORTUNITIES FUND II GP, LLC GFI ENERGY VENTURES, LLC 11611 SAN VICENTE BOULEVARD, SUITE 710 LOS ANGELES CA 90049 0 0 1 0 0001440233 GFI POWER OPPORTUNITIES FUND II GP (CAYMAN) LTD. GFI ENERGY VENTURES, LLC 11611 SAN VICENTE BOULEVARD, SUITE 710 LOS ANGELES CA 90049 0 0 1 0 0001289458 GFI Energy Ventures, LLC GFI ENERGY VENTURES, LLC 11611 SAN VICENTE BOULEVARD, SUITE 710 LOS ANGELES CA 90049 0 0 1 0 Common Stock 2008-07-29 4 S 0 30300000 16.50 D 111438149 I By GT Solar Holdings, LLC See OCM/GFI Power Opportunities Fund II, L.P., or the "Main Fund," and OCM/GFI Power Opportunities Fund II (Cayman), L.P. ("Cayman Fund" and together with the Main Fund, "OCM/GFI Funds") are together the managing member of GT Solar Holdings, LLC. GFI Energy Ventures LLC, or "GFI," is one of the two investment managers of each of the OCM/GFI Funds. Voting and investment power with respect to securities owned by the OCM/GFI Funds is exercised by a four-person committee, composed of two representatives of GFI (any of Messrs. Lawrence D. Gilson, Richard K. Landers, Ian A. Schapiro and Andrew G. Osler). GFI Power Opportunities Fund II, GP, LLC is the general partner of the Main Fund. GFI Power Opportunities Fund II GP (Cayman) Ltd. is the general partner of the Cayman Fund. GFI is the managing member of GFI Power Opportunities Fund II GP, LLC. By virtue of the ownership structure described above, each of the OCM/GFI Funds, GFI, GFI Power Opportunities Fund II, GP, LLC, GFI Power Opportunities Fund II GP (Cayman) Ltd., Lawrence D. Gilson, Richard K. Landers, Ian A. Schapiro and Andrew G. Osler (collectively, the "GFI Group") may be deemed to have beneficial ownership of the shares owned by GT Solar Holdings, LLC. The GFI Group expressly disclaims beneficial ownership of the shares held by GT Solar Holdings, LLC, except to the extent of their respective pecuniary interests therein. This amended Form 4 is being filed to correct the date of the transaction as reported in the reporting person's original Form 4. /s/ Peter P. Massumi By power of attorney 2008-07-30