PBW holdings <pre> Index Components as of: 12/27/07 Company Name Symbol % Weighting First Solar Inc. FSLR 5.78% Suntech Power Holdings Co Ltd STP 4.89% Evergreen Solar Inc ESLR 4.68% American Superconductor Corp AMSC 3.99% Sunpower Corp SPWR 3.96% Emcore Corp EMKR 3.88% Ja Solar JASO 3.70% Yingli YGE 3.50% MEMC Electronic Materials Inc WFR 3.43% Universal Display Corp PANL 3.21% Ormat Technologies Inc ORA 2.97% Energy Conversion Devices Inc ENER 2.77% VeraSun Energy Corp VSE 2.52% International Rectifier Corp IRF 2.48% Zoltek Cos Inc ZOLT 2.46% Itron Inc I TRI 2.37% Comverge COMV 2.20% Trina Solar Ltd TSL 2.19% China BAK Battery Inc CBAK 2.18% Medis Technologies Ltd MDTL 2.13% Om Group OMG 2.08% Applied Materials AMAT 2.02% Plug Power Inc PLUG 1.99% Cree Inc CREE 1.95% Praxair Inc PX 1.93% Puget Energy Inc PSD 1.81% Air Products & Chem APD 1.80% NovaSource Biofuels NBF 1.78% Pacific Ethanol Inc PEIX 1.73% Echelon Corp ELON 1.73% Idacorp Inc IDA 1.70% Fuel Systems Solutions Inc FSYS 1.69% AMerigon ARGN 1.67% Ballard Power Systems BLDP 1.66% Cosan CZZ 1.64% Verenium VRNM 1.60% Portland General Electric Co POR 1.55% FuelCell Energy Inc FCEL 1.38% Maxwell Technologies Inc MXWL 1.37% Ultralife Batteries Inc ULBI 0.71% Active Power Inc ACPW 0.58% Uqm Technologies UQM 0.37% </pre>